A Power Distribution Unit, or PDU, effectively manages and distributes electrical power. A Basic PDU takes power from a single source and efficiently delivers it to multiple devices. This core function ensures each piece of equipment receives the necessary electricity for operation. Organizations find a Basic PDU essential for their setup. It offers reliable power delivery and helps maintain an organized power infrastructure. The basic PDU segment is projected to achieve a Compound Annual Growth Rate (CAGR) of 5.4% from 2024 to 2030, with its market value expected to reach US$1.9 billion by 2030. This growth highlights their widespread adoption and critical role in modern environments.

Key Takeaways

• A Basic PDU delivers power to many devices. It keeps your power setup organized and reliable.
• Always calculate your power needs. Add 20-30% extra for future growth. This prevents problems.
• Match the PDU’s plug to your power outlet. Choose single-phase for offices or three-phase for data centers.
• Pick the right number and type of outlets. Plan for extra outlets for new devices.
• Choose a PDU that fits your space. Metal enclosures are stronger and cool better than plastic.
• Look for safety features like circuit breakers. These protect your equipment from power surges and overloads.
• Check for UL and RoHS certifications. These mean the PDU is safe and good for the environment.
• Install your PDU correctly. Keep cables neat. Avoid using extension cords to prevent hazards.

Understanding the Basic PDU

What Defines a Basic PDU?

Core Power Distribution Functionality

A Power Distribution Unit (PDU) serves as a fundamental component for power management. Its core function involves taking power from a single source and distributing it to multiple devices. A Basic PDU achieves this through several essential components. Branch circuits distribute power from an electrical panel to server racks, with capacity measured in volt-amps (VA) or kilovolt-amps (kVA). The PDU’s voltage and number of phases determine power delivery, offering options for single-phase (common in homes and offices) or three-phase (for higher power and consistent supply) wiring. The current and PDU plug type must match the branch circuit outlet. Outlets on the PDU must also match device plugs to ensure correct voltage, preventing a 120V device from connecting to a 208V circuit, for example. Overload protection, often through built-in circuit breakers, prevents circuit overloads, especially for units drawing over 20 amps.

Key Distinctions from Advanced PDUs

Basic PDUs differentiate themselves from advanced counterparts through their straightforward design. They focus solely on power distribution without incorporating features like remote monitoring, individual outlet control, or advanced metering capabilities. This simplicity makes them ideal for environments where complex power management is unnecessary. They provide a direct, unmanaged power path from the source to the connected equipment.

Why You Need a Basic PDU

Reliable Power Delivery

Organizations benefit significantly from using a Basic PDU. Its uncomplicated design ensures reliable power distribution, reducing technical failures and ensuring consistent performance, particularly in straightforward IT environments. These units offer quick installation and deployment, requiring no advanced technical expertise or specialized tools. This allows IT teams to deploy them rapidly.

Organized Cable Management

Basic PDUs play a crucial role in maintaining an organized power infrastructure. By consolidating power connections into a single unit, they reduce cable clutter within server racks and equipment cabinets. This organized approach improves airflow, simplifies troubleshooting, and enhances the overall aesthetic of the setup.

Essential Equipment Protection

Beyond distribution, Basic PDUs offer essential protection for connected equipment. Their simple design and durable construction minimize the need for complex software updates or frequent troubleshooting, leading to reduced maintenance demands. The integrated overload protection, as mentioned earlier, safeguards devices from power surges and overcurrents, preventing potential damage. Furthermore, basic rack PDUs provide simple power distribution at a lower initial investment compared to more advanced units, making them a cost-effective solution for protecting valuable hardware.

Estimating Your Power Needs for a Basic PDU

Accurately estimating power needs forms a critical step in selecting the correct power distribution unit. Underestimating power requirements leads to overloaded circuits and potential equipment failure. Overestimating results in unnecessary costs. Therefore, users must carefully calculate their total wattage and plan for future growth.

Calculating Total Wattage Requirements

Identifying All Connected Devices

Begin by creating a comprehensive list of every device requiring power from the PDU. This includes servers, network switches, storage arrays, and any other peripheral equipment. A thorough inventory ensures no device gets overlooked in the power calculation. Each item on this list contributes to the overall power demand.

Summing Individual Device Wattage

After identifying all devices, locate the wattage rating for each one. Manufacturers typically print this information on the device’s nameplate, in its user manual, or on its technical specification sheet. Always use the maximum or “nameplate” wattage, not the average operating wattage. This accounts for peak power draws, such as during startup. Add all individual device wattages together to determine the total current power consumption. This sum represents the minimum power capacity the PDU must handle.

Planning for Future Expansion with Your Basic PDU

Incorporating Headroom for Growth

Selecting a PDU solely based on current needs often proves shortsighted. Most setups expand over time, adding more devices or upgrading existing ones. Incorporating headroom for growth prevents the need for costly PDU replacements later. For most commercial installations, a 20% headroom above the calculated load is recommended when selecting a PDU. This ensures future scalability and prevents overheating risks. This additional capacity allows for new equipment integration without immediately maxing out the power supply.

Applying Safety Margins

Beyond growth, applying a safety margin protects against unforeseen power fluctuations or minor miscalculations. This margin acts as a buffer, ensuring stable operation even under slightly higher-than-expected loads. For future expansion and to prevent costly rework, it is recommended to add 20-30% headroom above current power requirements when selecting rackmount PDUs. This proactive approach guarantees the chosen Basic PDU can reliably support both present and future power demands, providing peace of mind and operational continuity.

Choosing the Right Input Connector for Your Basic PDU

Selecting the correct input connector for a Basic PDU is crucial for safe and efficient power delivery. The input plug must match the available power source in the rack or facility. Mismatched connectors can lead to incompatibility or require unsafe adapters.

Common Basic PDU Plug Types

Various plug types exist, each designed for specific voltage and current requirements. Users must identify the receptacle type on their power source before selecting a PDU. Basic PDUs are available with various plug types, including standard NEMA plugs or IEC320, emphasizing the importance of matching the PDU plug to the branch circuit outlet.

NEMA 5-15P and NEMA 5-20P

North American facilities commonly use NEMA (National Electrical Manufacturers Association) plugs.

• NEMA 5-15P: This grounded, three-prong plug is standard for household items and light IT equipment. It typically handles up to 15 amps at 120 volts.
• NEMA 5-20P: This plug features a ‘T’-shaped neutral prong. It accommodates heavier equipment, supporting up to 20 amps at 120 volts.

NEMA L5-15P and NEMA L5-20P

These NEMA plugs are locking types, providing a more secure connection.

• NEMA L5-15P: This locking plug supports 15 amps at 120 volts. Its twist-lock mechanism prevents accidental disconnections.
• NEMA L5-20P: This locking plug handles 20 amps at 120 volts. It also features a twist-lock design for enhanced security in critical environments.

IEC C14 and IEC C20

The International Electrotechnical Commission (IEC) standards are widely used, especially for IT equipment.

• IEC C14: This input connector is common for devices requiring up to 10 amps. It often pairs with a C13 outlet on the PDU.
• IEC C20: This input connector handles higher amperage, typically up to 16 amps. It is suitable for high-power equipment like data servers and often pairs with a C19 outlet.

Single-Phase vs. Three-Phase Basic PDU Considerations

Understanding the difference between single-phase and three-phase power is vital for PDU selection, especially in data center environments.

Single-Phase Applications

Single-phase power is adequate for many uses. Residential power supplies or office environments typically utilize single-phase. These systems use two wires (an active conductor and a neutral). Single-phase PDUs are less complicated and their receptacles are significantly cheaper, around $20. However, single-phase power is less efficient and more vulnerable to interruptions.

Three-Phase System Compatibility

Three-phase power is necessary for data centers due to higher power demands and the increased impact of power interruptions. Three-phase systems use four wires and combine three alternating currents, each varying by 120 degrees. This provides continuous power flow. Three-phase PDUs are more resilient, featuring more circuit breakers than single-phase PDUs. This means fewer outlets are lost if a breaker trips. Some three-phase PDUs can provide outlets for both 120V and 208V devices. While more complex and with higher receptacle costs (around $400), three-phase connections can carry 415 volts, making them essential for high-density data centers and heavy workloads.

Selecting Basic PDU Output Outlet Configurations

Choosing the correct output outlet configuration for a Basic PDU ensures compatibility with connected equipment and optimizes cable management. The PDU’s outlets must match the power requirements and plug types of the devices it powers.

Standard Basic PDU Outlet Types

Many PDUs come equipped with multiple NEMA 5-15R and 5-20R receptacles. These power both 120V IT devices and more demanding servers. Some models also feature combinations of NEMA L5-30R, L6-30R, and IEC 60320 receptacles. Basic PDUs are designed with durable metal housings and can include up to 40 high-quality NEMA or IEC outlets, ensuring reliable power connections.

NEMA 5-15R and NEMA 5-20R

These are common North American outlet types.

• NEMA 5-15R: This standard three-prong receptacle accepts NEMA 5-15P plugs. It typically supports up to 15 amps at 120 volts. Users find it suitable for most desktop computers, monitors, and light networking gear.
• NEMA 5-20R: This receptacle features a ‘T’-shaped neutral slot. It accommodates NEMA 5-20P plugs and supports up to 20 amps at 120 volts. This type is ideal for more powerful servers and network switches.

IEC C13 and IEC C19

These IEC (International Electrotechnical Commission) outlets are prevalent in data centers globally.

• IEC C13: This is a very common outlet type. It pairs with IEC C14 power cords and typically handles up to 10 amps. Most servers, switches, and other IT equipment use C13 inlets.
• IEC C19: This larger outlet pairs with IEC C20 power cords. It supports higher current, usually up to 16 amps. High-density servers, blade chassis, and other power-hungry devices often utilize C19 inlets.

Determining the Number of Basic PDU Outlets

The number of outlets on a PDU directly impacts its utility and scalability. Careful planning prevents power shortages and ensures future flexibility.

Matching Device Count

Users must count all devices requiring power from the PDU. This includes servers, network devices, and any other rack-mounted equipment. The PDU should offer at least one outlet for each device. This ensures every component receives power.

Planning for Spare Outlets

Always plan for spare outlets. Future expansion or the addition of new equipment often occurs. Having extra outlets avoids the need for additional PDUs or power strips later. A good rule of thumb involves adding 20-30% more outlets than currently needed.

Basic PDU Outlet Orientation

Outlet orientation affects cable management and accessibility within a rack.

Horizontal Outlet Layouts

Horizontal outlets are common on rack-mount PDUs. They align in a row across the PDU’s face. This layout works well for devices with straight power cords. It also suits setups where devices are not densely packed.

Vertical Outlet Layouts

Vertical outlets are often found on zero-U PDUs. These mount vertically along the side of a rack. This orientation helps manage cables more efficiently, especially in high-density environments. It also provides better access to individual outlets.

Basic PDU Physical Form Factors and Mounting Options

The physical form factor and mounting options of a Power Distribution Unit significantly influence its integration into an existing infrastructure. Users must select a PDU that fits their specific space and installation requirements.

Rack-Mount Basic PDUs

Rack-mount PDUs represent the most common form factor for data centers and server rooms. They integrate directly into standard equipment racks.

Horizontal Rack Mounting

Horizontal rack-mount PDUs occupy 1U or 2U of rack space. They mount directly within the rack’s front or rear. This configuration works well for lower power loads. Horizontal installation also makes sense when limited space exists in the back of the cabinet for cable management. Furthermore, these PDUs are suitable for use in conjunction with in-row UPS equipment, providing a streamlined power solution.

Vertical Rack Mounting

Vertical rack-mount PDUs, often called “zero-U” PDUs, mount vertically along the side or rear of a server rack. This design conserves valuable rack unit space, making it ideal for high-density environments. Vertical PDUs typically offer more outlets than horizontal units due to their extended length.

Other Basic PDU Mounting Solutions

Beyond rack mounting, other options provide flexibility for various environments.

Under-Desk and Wall-Mount Options

Some Basic PDU models offer under-desk or wall-mount capabilities. These solutions cater to smaller offices, labs, or non-rack environments where equipment requires reliable power distribution without a full server rack. Users can securely attach these PDUs to surfaces, keeping power accessible and organized.

Installation Flexibility

Manufacturers design PDUs with installation flexibility in mind. Many units include mounting brackets or universal mounting kits, allowing for diverse placement options. This adaptability ensures users can integrate the PDU seamlessly into their specific setup, whether in a rack, on a wall, or beneath a desk.

Basic PDU Cord Length Considerations

The power cord length of a PDU is a critical factor for both safety and convenience.

Reaching Power Sources

Users must select a PDU with a power cord long enough to comfortably reach the intended power source. This prevents stretching the cord or placing undue strain on connections. An appropriately sized cord ensures a neat and safe installation.

Avoiding Extension Cords

Avoiding extension cords with PDUs is paramount for safety. Using excessively long power cords, particularly with a Basic PDU, can lead to significant safety concerns. These include voltage drops, which impact device performance, and a heightened risk of overheating. Overheating is especially problematic if the long cords are loosely coiled or piled up, as this creates a fire hazard. When using long power cords, such as those connecting a PDU to distant outlets, the increased length directly correlates with increased electrical resistance. This elevated resistance generates heat, posing a risk of equipment failure and, more critically, fire. The danger amplifies if combustible materials like paper are in close proximity to the heated wires. It is crucial to select a cord length that comfortably reaches devices without stretching to mitigate these risks.

Essential Safety Features for Your Basic PDU

Power distribution units play a critical role in safeguarding connected equipment. Basic Power Distribution Units (PDUs) incorporate built-in surge protection and overload protection mechanisms. These features are crucial for safeguarding connected equipment from potential damage caused by electrical surges or excessive current draw. Users must understand these safety features to ensure the longevity and reliability of their IT infrastructure.

Overload Protection in Basic PDUs

Overload protection prevents excessive current from flowing through the PDU and into connected devices. This protects equipment from damage and prevents potential fire hazards.

Circuit Breakers

Circuit breakers are a common form of overload protection in PDUs. They automatically trip, or open, the circuit when the current exceeds a safe limit. This immediately cuts power to the overloaded section, preventing damage. Users can typically reset these breakers manually after resolving the overload condition. This makes them a convenient and reusable safety feature.

Fuse Protection

Fuses offer another method of overload protection. A fuse contains a thin wire that melts and breaks the circuit when an overcurrent occurs. Unlike circuit breakers, fuses are single-use devices. Users must replace a blown fuse to restore power. While less convenient than circuit breakers, fuses provide reliable protection against overcurrents. One primary type of overload protection mechanism, particularly effective in preventing overloads and load short circuits, is the Latching Current Limiter (LCL). An LCL is defined as:

“a switchable and latching protection placed between a power source and the relevant load, causing a trip-off after having achieved at its output an overcurrent limitation for a definite trip-off time.”

Key components of an LCL include an Under-Voltage Protection section, a Trip-OFF timer section, and a current sensor section. If the current sensor detects an overload exceeding set thresholds, the LCL limits the current and activates a timer. If the overload persists beyond a specified trip-off time, the timer triggers the LCL to shut down the power.

Surge Protection for Basic PDUs

Surge protection defends electronic equipment from sudden, short-duration voltage spikes. These spikes, or surges, can occur due to lightning strikes, utility grid switching, or the operation of heavy machinery.

Protecting Sensitive Equipment

Sensitive electronic equipment, such as servers and networking gear, is particularly vulnerable to power surges. A surge can damage internal components, leading to data loss, equipment malfunction, or complete failure. Surge protection diverts excess voltage away from connected devices, channeling it safely to the ground. This shields valuable hardware from destructive electrical events.

Understanding Joule Ratings

Surge protectors use a joule rating to indicate their capacity to absorb surge energy. A higher joule rating signifies greater protection. For instance, a surge protector with a 2000-joule rating can absorb more energy than one rated at 1000 joules before it fails. Users should select a PDU with a joule rating appropriate for the sensitivity and value of the equipment it protects.

Material Quality and Durability of Basic PDUs

The material quality and durability of a Basic PDU significantly impact its lifespan and operational safety. High-quality construction ensures reliable power distribution and protects connected equipment over time. Users must consider the materials used for both the enclosure and the internal cabling.

Basic PDU Enclosure Materials

The enclosure material provides physical protection for internal components and influences the unit’s thermal performance.

Metal vs. Plastic Construction

Manufacturers typically construct PDU enclosures from either metal or plastic. Metal enclosures, often made from:

• Aluminum material

offer superior durability. They resist physical damage better than plastic. Metal also provides better electromagnetic shielding, which can be crucial in sensitive IT environments. Plastic enclosures are lighter and less expensive. However, they may not offer the same level of protection or longevity. For critical applications, metal construction is generally the preferred choice.

Heat Dissipation Properties

The enclosure material also plays a role in heat dissipation. Metal, particularly aluminum, conducts heat away from internal components more effectively than plastic. This helps maintain optimal operating temperatures within the PDU. Efficient heat dissipation prevents premature component failure and ensures consistent performance. A well-designed metal enclosure contributes to the overall thermal management of the rack.

Basic PDU Cable Gauge Importance

The internal wiring and power cord gauge are critical for the PDU’s current capacity and safety.

Current Capacity

The gauge of a PDU cable is crucial for its current capacity and safety. Thicker gauge cables are capable of carrying more current over longer distances, while thinner gauge cables are suitable for shorter runs with lower current requirements. A lower gauge number indicates a thicker wire. Thicker wires have less electrical resistance. This allows them to carry more current without excessive heat buildup. Selecting the appropriate cable gauge ensures the PDU can safely deliver the required power to all connected devices.

Preventing Overheating

Selecting the appropriate cable gauge based on current draw and distance is essential to prevent overheating or fire hazards, ensuring the cable can safely handle the electrical load. An undersized cable for a given current load will generate excessive heat. This heat can damage the cable’s insulation, lead to power loss, and pose a significant fire risk. Always verify the cable gauge matches the PDU’s rated current capacity and the expected load. This proactive measure safeguards both the PDU and the valuable equipment it powers.

Understanding Certifications and Standards for Basic PDUs

Certifications and standards play a vital role in ensuring the safety, reliability, and environmental responsibility of electrical equipment. When selecting a Basic PDU, understanding these marks provides confidence in the product’s quality and compliance. These certifications confirm that manufacturers adhere to strict guidelines during production.

UL Listing for Basic PDUs

The Underwriters Laboratory (UL) listing is a widely recognized standard for safety and compliance in North America. It signifies that an independent, not-for-profit laboratory has tested product samples against safety requirements. UL also conducts periodic checks of manufacturing facilities.

Safety Assurance

A “UL Listed” designation indicates that a product, such as a PDU, conforms to safety standards. These UL standards are accredited by the American National Standards Institute and the Standards Council of Canada. To obtain UL certification, a product undergoes rigorous testing. This testing ensures the product is reasonably free from risks. These risks include fire, electric shock, and other hazards under normal operating conditions. This provides confidence that products are safe for data center use.

Regulatory Compliance

While not legally mandatory, reputable manufacturers typically submit their products for UL testing and certification. This commitment demonstrates a manufacturer’s dedication to product safety and quality. Benefits of UL certification include enhanced safety, assured quality, improved efficiency, reduced costs, and increased consumer confidence.

RoHS Compliance for Basic PDUs

RoHS, the Restriction of Hazardous Substances Directive, addresses environmental concerns in electronic manufacturing. This directive restricts the use of specific hazardous materials found in electrical and electronic products.

Environmental Standards

Adhering to RoHS standards ensures that Power Distribution Units are designed to be safe, reliable, and efficient. Compliance with environmental regulations like RoHS is crucial for PDUs. It promotes environmentally friendly practices in the electronics industry.

Hazardous Substances Restrictions

RoHS restricts the use of six specific substances in the manufacture of electronic components. These include:

1. Lead
2. Mercury
3. Cadmium
4. Hexavalent chromium
5. Polybrominated biphenyls (PBB)
6. Polybrominated diphenyl ether (PBDE)
   By limiting these materials, RoHS compliance helps protect human health and the environment from potential harm.

Budgeting for Your Basic PDU Purchase

Effective budgeting for a Power Distribution Unit (PDU) ensures optimal performance without unnecessary expenditure. Organizations must carefully weigh costs against required features. This approach prevents both under-equipping and overspending.

Cost vs. Features for Basic PDUs

Balancing Needs and Price

When selecting a PDU, buyers must balance their specific power distribution needs with the unit’s price. Basic PDUs offer essential functionality without the added cost of advanced features like remote monitoring or individual outlet control. In 2025, affordable 1U PDUs typically range from budget-friendly to premium options, depending on the brand and specific features. For instance, brands like Tripp Lite and CyberPower often provide budget-friendly options, while APC and Eaton fall into the mid-range. Vertiv Geist offers more premium selections. This spectrum allows buyers to find a PDU that aligns with their financial constraints and operational requirements.

Long-Term Value Assessment

Assessing the long-term value of a PDU involves more than just its initial purchase price. A durable, reliable unit reduces maintenance costs and prevents costly downtime. Investing in a PDU with robust construction and essential safety features provides greater long-term value. It protects valuable IT equipment and ensures continuous operation.

Avoiding Overspending on a Basic PDU

Sticking to Core Needs

Overspending on a PDU often occurs when buyers select units with features they do not require. Organizations should identify their core power distribution needs and choose a PDU that precisely meets those specifications. This prevents paying for unnecessary functionalities. Common pitfalls to avoid include underestimating power needs, which leads to overloaded circuits and increased operational costs. Ignoring real consumption data, selecting mismatched power equipment, and using undersized cables are also common mistakes. Connecting too many high-power devices to a single PDU can also cause issues.

Wise Future-Proofing

While avoiding overspending, organizations should also practice wise future-proofing. This means planning for potential growth without purchasing excessively complex or oversized equipment. Failing to plan for growth results in costly upgrades and operational disruptions. It is crucial to choose PDUs with extra outlets and modular designs. Conducting site assessments helps align capacity with future rack density. Ignoring compatibility issues can cause equipment damage or regulatory problems. Neglecting safety features exposes businesses to equipment failure, overheating, and power quality issues. Adhering to industry standards like UL, CE, and NEMKO certifications ensures reliable and safe operation.

Installation and Maintenance Tips for Your Basic PDU

Proper installation and consistent maintenance ensure the longevity and efficiency of any power distribution system. Following best practices for a Basic PDU maximizes its performance and safeguards connected equipment.

Proper Basic PDU Placement

Airflow and Accessibility

Strategic placement of a Basic PDU is crucial for maintaining optimal airflow within a rack. Proper positioning prevents hot spots and ensures efficient cooling for all devices.

• Vertical (0U) PDUs: Install these along the side of the rack. This maintains clear pathways for air circulation and maximizes space efficiency, especially in dense environments.
• Horizontal PDUs: Position these carefully. They must not block vents or fans of other equipment. An incorrect installation height can interfere with cooling systems.
• Cable Management: Utilize Basic PDUs, particularly vertical models, to facilitate organized cable routing within server racks. This reduces clutter and improves airflow.
• Avoid Obstruction: Ensure PDU placement does not obstruct airflow or cooling systems. Obstruction can lead to overheating, reduced performance, and shortened hardware lifespan.

Cable Management Best Practices

Effective cable management enhances airflow and simplifies troubleshooting. Users should route power cables neatly, using cable ties or Velcro straps. Labeling cables clearly helps identify connections quickly. Avoid coiling excess cable tightly, as this can generate heat and impede airflow. Proper cable management also reduces the risk of accidental disconnections.

Regular Basic PDU Checks

Visual Inspections

Regular visual inspections help identify potential issues before they escalate. Technicians should check the PDU and its connections for signs of wear, damage, or overheating. Look for frayed cables, loose connections, or discolored outlets. Ensure all power cords are securely plugged into both the PDU and the connected devices. A clean PDU free from dust accumulation also promotes better heat dissipation.

Basic Load Monitoring

While Basic PDUs lack advanced monitoring features, users can still perform basic load monitoring. They can periodically check the power draw of connected equipment against the PDU’s rated capacity. This ensures the PDU operates within safe limits. If the total load approaches the PDU’s maximum capacity, consider redistributing devices or upgrading to a higher-capacity unit. This proactive approach prevents overloads and maintains system stability.

Selecting the right Basic PDU involves understanding power needs, input/output configurations, and essential safety features. This comprehensive guide empowers buyers to confidently choose a unit that precisely meets their specific requirements. By carefully considering factors like wattage, connector types, and mounting options, users simplify the decision-making process. They ensure reliable power distribution for their critical equipment.

FAQ

What is the main difference between a Basic PDU and a Smart PDU?

Basic PDUs distribute power without advanced features. Smart PDUs offer remote monitoring, individual outlet control, and metering capabilities. They provide straightforward power delivery.

How do users calculate the power requirements for their PDU?

Users identify all connected devices. They sum their maximum wattage ratings. Then, they add a 20-30% safety margin for future expansion. This total determines the PDU’s required capacity.

Why is a metal enclosure better for a PDU than plastic?

Metal enclosures offer superior durability and better electromagnetic shielding. They also dissipate heat more effectively than plastic. This contributes to optimal operating temperatures and longevity.

What are the common input plug types for Basic PDUs in North America?

Common types include NEMA 5-15P (15A/120V) and NEMA 5-20P (20A/120V). Locking versions like NEMA L5-15P and L5-20P provide more secure connections.

Why is UL listing important for a PDU?

UL listing signifies independent testing against safety standards. It assures users the PDU is reasonably free from risks. These risks include fire or electric shock under normal operating conditions. This provides confidence in product safety.

Can users use an extension cord with a Basic PDU?

No, users should avoid extension cords with PDUs. They can cause voltage drops, increase overheating risks, and pose fire hazards. Users should select a PDU with an appropriately long power cord.

What is the purpose of overload protection in a Basic PDU?

Overload protection prevents excessive current flow. Circuit breakers automatically trip, cutting power. Fuses melt, breaking the circuit. Both protect equipment from damage and prevent potential fire hazards.