Product Type | Automatic circuit breaker - plug-in module |
Form Factor | Rack-mountable module |
Power Requirements | AC 208 V, 20 A, 3-phase |
Frequency Required | 60 Hz |
Input Voltage Range | AC 200 - 240 V |
Designed For | APC Symmetra PX (10kW to 100kW scalable systems) |
Max Electric Current | 20 A |
Cable Type | Integrated power cable |
Cable Length | 28 ft |
Circuit Protection | Circuit breaker |
Indicators | LCD display, LED indicators |
Manufacturer Warranty | 1-year warranty |
APC IT Power Distribution Module 3 Pole 20A L21-20, 860cm

Key Benefits

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- Designed exclusively for APC Symmetra PX scalable solutions, ensuring seamless integration and reliability
- Features remote management and diagnostic display options, improving system visibility and reducing downtime
- TAA compliance and UL certification support federal procurement standards and safety assurance
Product Overview
The APC IT Power Distribution Module (PDM3520L2120-860) is an automatic circuit breaker plug-in module engineered for reliable and scalable power delivery in enterprise IT environments. Supporting 3-phase AC 208V input/output and using NEMA L21-20 connectors, it manages 20A maximum current through an integrated 28-foot power cable. With SNMP and HTTP remote management, diagnostic LCD and LED indicators, and circuit breaker protection, this unit enables proactive IT infrastructure management.
Purpose-built for APC Symmetra PX systems (10kW–100kW), the module improves deployment flexibility and operational integrity. It adheres to UL and RoHS standards, includes TAA compliance, and is backed by a 1-year warranty, ensuring robustness for critical environments.
Specifications
Product Overview
Physical & Environmental
Width | 17.5 in |
Depth | 16 in |
Height | 5 in |
Weight | 12.57 lbs |
Shipping Width | 17.5 in |
Shipping Depth | 16 in |
Shipping Height | 5 in |
Shipping Weight | 13.89 lbs |
Cloud Management & Licensing
Management Interface | Web (HTTP), SNMP |
Interfaces
Input Connector Type | NEMA L21-20 |
Output Connector Type | NEMA L21-20 |
Input Connectors | 1 x NEMA L21-20 |
Output Connectors | 1 x NEMA L21-20 |
Input Wiring | 3-phase |
Remote Management Protocols | SNMP, HTTP |
Compliance & Origin
Compliant Standards | UL, RoHS Exemption 7b |
TAA Compliant | Yes |
Country of Origin | United States |
Advanced Security Features
Remote Access Security | Password-protected SNMP/HTTP management |