Emerson SAG581126000 User Manual
Page 68
SAG581126000
System Application Guide
Issue AD, November 23, 2009
Spec. No. 581126000 (Model 700
NVBA
)
Page 68 of 123
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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
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
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