SAG582127000 System Application Guide
Issue AF, February 26, 2014 Spec. No. 582127000 (Model 721
NPBB)
Page 14 of 125
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List 3: 2
nd
Supplemental Bay Common Equipment (Power and Distribution or Distribution Only),
Located In-Line with Main Bay
Features
♦ Provides common equipment for one bussed “power and distribution or distribution only” bay rated for up
to 2000 amperes of distribution. Includes interbay power busbars and communications cable.
♦ Mounts to either left or right side of List 2 Supplemental Bay.
♦ Accepts one (1) distribution cabinet (options are 3-row or 4-row cabinet).
♦ Includes SM-DU (provides bay interface to ACU+ Controller).
♦ Accepts up to six (6) module mounting shelves Spec. No. 588705000 (including expansion shelves).
or
Accepts up to six (6) module mounting shelves Spec. No. 588705300 (including expansion shelves).
Restrictions
When the system is equipped with a List 40, 41, 42, 45, 46, or 47 front access Input Termination Assembly,
refer to the restrictions under these list descriptions.
Will not accept List 21 and 22 distribution cabinet.
(List 21 and 22 are not provided with connection points for interbay busbars.)
Will not accept List 60 converter interface components.
Will not accept dual voltage distribution panels.
Order maximum of one (1) List 3 or List 6 per Power System.
Cannot be used when List 6 is ordered. Order List 3 or List 6, not both.
Rear access required for installation of inter-bay busbars.
If low voltage disconnect (List LL or List LB) is to be included, the Main Bay (List 1) of the system must also
have low voltage disconnect (List LL or List LB).
Ordering Notes
1) Order a relay rack or shipping brackets per “Relay Racks and Shipping Brackets” under ACCESSORY
DESCRIPTIONS. If required, order relay rack transition plates per “Transition Plates to Mount Relay
Rack on Top of GNB Absolyte IIP Batteries” under ACCESSORY DESCRIPTIONS.
2) Order one (1) List 23 or 24 distribution cabinet.
a) Order up to four (4) (per the capacity of the distribution cabinet ordered) distribution panels, battery
disconnect panels, and/or return bar panel as required per “Single Voltage Distribution Panel”,
“Battery Disconnect Distribution Panel”, and “Return Bar Panel” under LIST DESCRIPTIONS.
b) Order battery disconnect contactors and low voltage disconnect options as required per “Battery
Disconnect Contactors” and “Low Voltage Disconnect Options” under LIST DESCRIPTIONS.
c) Order fuses and/or circuit breakers as required per “Distribution Devices” under ACCESSORY
DESCRIPTIONS.
d) Order input and load distribution lugs, lug adapters, and lug hardware kits as required per “Wiring
Notes” under ACCESSORY DESCRIPTIONS.
e) Order a distribution cabinet top shield as required per List 29.
f) If distribution only, order a bottom rear distribution cabinet cover per List 4.
g) Order a battery shunt as required per List 90, 91, or 92.
3) 588705000 Rectifier Option: Order interface components for module mounting shelf(s) Spec. No.
588705000 as required per List 30. Order field expansion module mounting shelf(s) per List 31. Order
module mounting shelf(s) per PD588705000 (choices are 58870500021, 58870500022, 58870500031,
58870500032).
a) Order the front access AC Input Termination Assembly per List 40, 41, or 42 if module mounting shelf
58870500021 ordered (or order module mounting shelves with AC line cords or terminal blocks,
58870500022, 58870500031, 58870500032).
b) Order rectifier modules as required, P/N 1R483500E, 1R483200E, or 1R483200.
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