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SAG581126000 System Application Guide
Issue AD, November 23, 2009 Spec. No. 581126000 (Model 700
NVBA)
Page 68 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.
List RD: 2000A Low Voltage/Manual Battery Disconnect
Contactor with Battery Current Monitoring (P/N 528447)
Features
♦ Provides a battery disconnect contactor with Low Voltage and manual control.
♦ Includes shunt for battery charge/discharge current monitoring (25mV @ 2000A).
♦ Mounted on external rear of the Distribution Cabinet; uses no distribution row positions inside cabinet.
♦ Includes (1) extension plate (P/N 514713) for the Distribution Cabinet ground return busbar. Plate
provides three pairs of clearance holes for 3/8” hardware on 1” centers. Allows back-to-back lug landing
for up to six lugs. See "
Electrical Connection Locations and Dimensions, Input Battery (Connections to
Optional Battery Busbar Extension Kit P/N 514713 Installed in Lists 21 through 24 Distribution Cabinets)"
under PHYSICAL SIZE INFORMATION for a dimensional drawing.
♦ Also provides one set of Form C relay contacts for connection to customer external alarms.
Restrictions
Must be installed in Main Bay (List 1) only.
Limit one List RD per Distribution Cabinet.
Cannot be used in a 1-bus row cabinet.
Cannot be used if List 1 is used with List 2. (Can be used if List 1 is used alone or with List 5.)
Cannot be used with List 92, 93, RA, RB, RC, or RE.
Rear access required for installation and maintenance.
Ordering Notes
1) Order as required.
2) Order battery lugs (two hole, 3/8 bolt clearance hole, 1” centers) as required Table
10.
BATTERY
(LOAD SIDE)
CONNECTIONS
1"
2"
3/8-16 CAPTIVE NUT, 12 PLACES
(CUSTOMER MUST PROVIDE LUG
BOLTS AND ADDITIONAL HARDWARE.
BOLT LENGTH: 1-1/4")
BAT DISC
NORM DISC
FRONT VIEW
(1) GROUND RETURN BUSBAR EXTENSION
PLATE PROVIDED. SEE "DIMENSIONS OF
BATTERY BUSBAR EXTENSION KIT, PART
NO. 514713" FOR DIMENSIONS.
MANUAL BATTERY
DISCONNECT SWITCH
REAR VIEW
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