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ETC Installation Guide

Feedthrough Relay Panel Relay Kit

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© 2021 Electronic Theatre Controls, Inc. | Trademark and patent info: 

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Product information and specifications subject to change. ETC intends this document to be provided in its entirety.

7023M2220 Rev E Released 2021-12

Overview

The Feedthrough Relay Panel Relay Kit is designed for use in the Unison Echo Relay Panel Feedthrough 
(ERP-FT). This kit includes a relay and a wiring harness for low voltage connection to the relay control board.

Relay Specification

WR6161K-84 Single Pole HID Relay

ERPFT-1PRK: single pole, single space 
20 A HID relay kit

ERPFT-2PRK: double pole, single 
space 20 A HID relay kit

ERPFT-480V: double pole, double 
space 20 A HID relay kit

Note:

The Feedthrough Relay Panel Relay Kit is compatible with legacy SmartSwitch Relay 

Panels.

CSA

UL Listed

General Use

20 A @ 347 VAC

General  Use

30 A  @  300 VAC

Ballast (Standard)

20 A @ 347 VAC

Ballast (Standard)
Ballast (Electronic)

20 A @ 300 VAC
16 A @ 277 VAC

Tungsten

2400 W @ 120 VAC

Tungsten

2400 W @ 120 VAC

Motor Load

1/2 HP @ 110–125 VAC

Motor Load

1/2 HP @ 110–125 VAC

1-1/2 HP @ 220–250 VAC

1-1/2 HP @ 220–277 VAC

Short Circuit Rating

18,000 A 277 VAC

1

2

WR6161K-8

4

1 - P

OLE R

ELA

Y

WR6166-84

2 - POL

E REL

AY

1

2

1

2

WR6172-84

2 - P

OLE 

REL

AY

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