Product Type | Emergency Power Off (EPO) Circuit System |
Form Factor | Wall-mounted unit |
Power Requirements | 24V DC, powered by UPS system EPO circuit |
Used With | Compatible APC UPS units supporting EPO functionality |
Country of Manufacture | United States |
APC EPW9 Emergency Power Off Circuit System


Key Benefits

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- Ensures compliance with TAA for secure purchasing in government-regulated environments
- Enables immediate emergency shutdown for enhanced safety in critical infrastructure
- Backed by APC’s reputation in power protection and infrastructure systems
Product Overview
The APC EPW9 Emergency Power Off (EPO) Circuit System offers centralized safety shutoff for sensitive electronics and infrastructure. Built in the United States and TAA-compliant, it's ideal for applications in government, military, and institutional settings. This accessory enables immediate power shutdown in emergencies, minimizing risk to both personnel and equipment. Designed as part of APC’s power equipment line, it ensures enhanced infrastructure reliability and streamlined safety response. Technical specifications are limited, so consultation with APC is recommended for integration details.
Specifications
Product Overview
Physical & Environmental
Dimensions (H x W x D) | 5.6 x 4.6 x 2.0 inches (142 x 117 x 51 mm) |
Mounting Type | Surface mount |
Enclosure Material | Metal enclosure |
Color | Beige |
Operating Temperature | 0 to 40 °C (32 to 104 °F) |
Storage Temperature | -15 to 45 °C (5 to 113 °F) |
Operating Humidity | 0 – 95% RH, non-condensing |
Storage Humidity | 0 – 95% RH |
Product Weight | 1.25 lbs (0.57 kg) |
Cloud Management & Licensing
Cloud Management Capable | No |
Remote Management Interface | No |
Licensing Required | No |
Additional Features
Application Scope | Government, military, healthcare, and high-security facilities |
LED Indicator | Power and status indication |
Installation Environment | Indoor commercial/industrial installations |
Included Accessories | Installation guide, mounting hardware |
Manufacturer Part Number | EPW9 |
UPC | 731304213239 |
Interfaces
Input Connections | Dry contact terminal block |
Output Connections | Dry contact terminal block |
Control Signal Type | Dry contact closure |
Wiring Type | Low voltage signal cable – typically 2-wire |
Compliance & Origin
TAA Compliant | Yes |
Country of Origin | United States |
UL Listed | Yes |
RoHS Compliant | Yes |
REACH Compliant | Yes |
Advanced Security Features
Emergency Shutdown Trigger | Manual push-button activation |
Security Integration | Compatibility with building automation and BMS systems |
Tamper Evident Design | Yes |