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Relay rack frame grounding requirements, External alarm, reference, and control wire sizes – Emerson SAG581126000 User Manual

Page 90

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SAG581126000

System Application Guide

Issue AD, November 23, 2009

Spec. No. 581126000 (Model 700

NVBA

)

Page 90 of 123

This document is property of Emerson Network Power, Energy Systems, North America, Inc. and contains confidential and proprietary information owned by Emerson Network Power, Energy

Systems, North America, Inc. Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.

AC Input Branch Circuit Protection and Wire Size Selection

Refer to PD588705100/PD588705101/PD588705102/PD588705103/PD588705104.

Relay Rack Frame Grounding Requirements

Ordering Notes

1) For relay rack grounding requirements, refer to the current edition of the American National Standards

Institute (ANSI) approved National Fire Protection Association's (NPFA) National Electrical Code (NEC),
applicable local codes, and your specific site requirements.

A customer's grounding network lead can be attached to the top of each relay rack. Provision is made for
installing a lead with a two-hole lug that has 1/4" bolt clearance holes on 5/8" centers. Refer to Table

9

for lug selection.

External Alarm, Reference, and Control Wire Sizes

Features

♦ External alarm, reference, and control connection points are located on…

• J1-J4 on the optional

List 71

Audible Alarm and Alarm Termination Circuit Card P/N 509539,

• TB1 on circuit card P/N 509532, and
• J8 on circuit card P/N 534868 (if List 71 not installed).

See

Electrical Connections Locations and Dimensions; External Alarm, Reference, and Control

” under

PHYSICAL SIZE INFORMATION for illustration.

J1-J4 on Optional List 71 Audible Alarm and

Alarm Termination Circuit Card P/N 509539

Terminals

Capacity Type

Recm

Wire Size

26 to 16

AWG

Spring-Clamp

22 AWG for Loop Lengths Up to 200 ft.

18-20 AWG for Loop Lengths Over 200 ft.

TB1 on Circuit Card P/N 509532

Terminals

Capacity Type

Recm

Wire Size

26 to 16

AWG

Spring-Clamp

22 AWG for Loop Lengths Up to 200 ft.

18-20 AWG for Loop Lengths Over 200 ft.

J8 on Circuit Card P/N 534868

Terminals

Recm Wire Size

D-Type Connector

22 AWG for Loop Lengths Up to 200 ft.

18-20 AWG for Loop Lengths Over 200 ft.

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