Overview

Emergency Power Off System

The Emergency Power Off (EPO) System consists of one or more wall-mounted, push-button EPO boxes. Each EPO box provides a single point of equipment shutdown for up to eight APC devices and one third-party device (such as an upstream breaker), using Normally Open (NO) contact closure connections. An EPO box can be cascaded with other EPO boxes to support multiple points of equipment shutdown.

Note: Although the EPO is designed specifically for APC products, the system can be used for tripping any devices that fall within its parameters. See “Specifications“ to confirm proper application. Install the EPO according to the instructions in this manual.

EPO Box Components

1

Flag

2

Button

3

Shield

4

Knockouts

5

Mounting holes

6

Blanking panels

7

Wire anchors

8

Auxiliary device

 

terminal

9

Device terminal block

10

Cascading jacks

11

Wiring check points

12

Ground stud

13

Cable clamps

4

Emergency Power Off System Installation and Operation

990–1611C-001