Fuses - ABB GPS4827 User Manual

Fused Battery Supply
BSL-93, 94 ABS: Alarm Battery Supply
This is an alternate plant voltage source for user alarm systems. This power is fused with a 1-1/3
ampere ABS fuse.
BSL-95,96 DG: Discharge Ground
Plant ground/return source for user alarm systems.

Fuses

Two Fuses, located on the MCR1 board, provide protection for the controller input power and Alarm
Battery Supply, used to power alarm panels or other devices requiring the power system voltage at no
more than 1.3A.
FUSE
F1
F2
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Figure 9-4: Millennium Controller Fuses
Description
Controller Input Power
Alarm Battery Supply (ABS)
Fuse Size
3A
1.3A