Product Type | Automatic circuit breaker - plug-in module |
Family | Power Equipment |
Manufacturer Part Number | PDM3520L2120-500 |
UPC | 731304265283 |
Weight | 10.14 lbs |
Shipping Weight | 11.46 lbs |
Dimensions (W x D x H) | 17.5 in x 16 in x 5 in |
Shipping Dimensions (W x D x H) | 17.5 in x 16 in x 5 in |
Power Requirements | AC 208 V, 3-phase, 60 Hz |
Input Voltage Range | AC 200 - 240 V |
Max Electric Current | 20 A |
Circuit Protection | Circuit breaker |
Cable Included | Power cable - integrated - 16.4 ft (500 cm) |
Designed For | APC Symmetra PX scalable systems (10kW to 100kW) |
APC IT Power Distribution Module 20A L21-20 Plug-in 500cm

Key Benefits

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- Optimized for APC Symmetra PX systems, ensuring seamless compatibility with scalable power architectures from 10kW to 100kW
- Integrated 16.4 ft cable and plug-in module design reduce installation complexity and deployment time
- UL and RoHS compliance verify product reliability and environmental responsibility for enterprise data centers
Product Overview
The APC IT Power Distribution Module (PDM3520L2120-500) is engineered to deliver efficient, high-capacity power distribution in enterprise-level IT infrastructures. Specifically built as a plug-in automatic circuit breaker, this module operates with a 3-phase AC 208 V electrical system and supports up to 20 A of current. With both input and output connectors using the NEMA L21-30 standard, it ensures compatibility and secure connections in advanced deployment environments. The device includes an integrated power cable measuring 16.4 feet (500 cm), providing flexible installation in data centers or server rooms.
Ruggedly constructed at 10.14 lbs and housed in a compact 17.5 x 16 x 5-inch form factor, the module includes standards such as UL and RoHS exemption 7b compliance, rendering it both reliable and environmentally conscious. It also comes with a 1-year manufacturer’s warranty for added peace of mind. The unit is specifically designed to support APC Symmetra PX systems scalable from 10kW to 100kW, making it optimal for scalable high-availability environments.
Enterprises seeking a dependable, standards-compliant distribution solution will benefit from its robust design and targeted integration with Symmetra PX platforms. The combination of circuit protection, high compatibility, and plug-in flexibility ensures sustained uptime across critical operations.
Specifications
Product Overview
Physical & Environmental
Width | 17.5 in |
Depth | 16 in |
Height | 5 in |
Operating Frequency | 60 Hz |
Mount Type | Plug-in module |
Cloud Management & Licensing
Included Management |
Interfaces
Input Connector Type | NEMA L21-30 |
Output Connector Type | NEMA L21-30 |
Power Output Connectors Details | 1 x power NEMA L21-30 |
Input Wiring | 3-phase |
Output Voltage | AC 208 V |
Input Voltage | AC 208 V |
Frequency Required | 60 Hz |
Compliance & Origin
Country of Origin | UNITED STATES |
TAA Compliant | Yes |
Certifications | UL |
Environmental Compliance | RoHS Exemption 7b |
Advanced Security Features
Enhanced Security Capabilities |