Product Type | Automatic circuit breaker - plug-in module |
Form Factor | Plug-in module |
Weight | 9.92 lbs |
Shipping Weight | 11.02 lbs |
Power Requirements | AC 208 V, 3-phase, 60 Hz |
Max Electric Current | 20 A |
Circuit Protection | Integrated circuit breaker |
Designed For | APC Symmetra PX systems scalable to 100kW |
Cables Included | Integrated power cable - 14.4 ft |
Manufacturer Warranty | 1-year limited warranty |
APC IT Power Distribution Module 20A L21-20, 3P5W, 440cm

Key Benefits

Eye-Insights™ by Eye-In Technologies
AI-Powered Summaries from Online Customer Reviews
AI-Powered Summaries from Online Customer Reviews
Eye-Insights™ are generated by proprietary AI that analyzes real online customer reviews to highlight top pros and key product features. While we aim for accuracy, insights are provided “as-is” and individual results may vary.
- Optimized for seamless compatibility with APC Symmetra PX UPS systems, ensuring stable power distribution in scalable configurations
- Integrated 14.4 ft power cable and plug-in design reduce setup time and cabling complexity
- Robust compliance with UL, RoHS, and TAA standards makes it ideal for regulated environments
Product Overview
The APC IT Power Distribution Module 20A L21-20 provides three-phase 208V power in a compact plug-in automatic circuit breaker format designed for Symmetra PX systems up to 100kW. It features NEMA L21-30 connectors, a 14.4 ft integrated power cable, and is UL and TAA compliant. Easy to install and backed by a 1-year warranty, this module ensures reliable and scalable power integration in demanding IT environments.
Specifications
Product Overview
Physical & Environmental
Width | 17.5 in |
Depth | 16 in |
Height | 5 in |
Shipping Width | 17.5 in |
Shipping Depth | 16 in |
Shipping Height | 5 in |
Cloud Management & Licensing
Remote Management Capable |
Interfaces
Input Connectors | 1 x power NEMA L21-30 |
Input Wiring | 3-phase |
Input Voltage | AC 208 V |
Input Voltage Range | AC 200 - 240 V |
Frequency Required | 60 Hz |
Output Voltage | AC 208 V |
Output Connectors | 1 x power NEMA L21-30 |
Power Output Connectors Details | 1 x power NEMA L21-30 |
Compliance & Origin
Country of Origin | UNITED STATES |
TAA Compliant | Yes |
Compliant Standards | UL, RoHS Exemption 7b |
Advanced Security Features
Surge Protection | |
EMI/RFI Filtering |