EST APS8B – Refurbished

Auxiliary Power Supply, Model APS8B

Condition: Refurbished
Brand: EST
Status: Obsolete
SKU: 154015
Manufacturer Part #: APS8B


The models APS4B and APS8B are auxiliary power supplies for use with the PCPU or DCPU or IRC-3 modules in applications requiring auxiliary power. Both power supplies are capable of delivering 250 Watts of power. The power supplies are power limited and meet the requirements for power limiting according to NEC 760. Upon loss of primary power or brownout condition, the power supply is transferred to secondary or battery power. The power supply has an integral battery charger capable of charging 60 AH batteries. The front cover of the power supply has a green power LED and an amber Trouble LED. The power supply has a battery saver feature that prevents battery damage caused by a severe deep discharge. Upon loss of primary power, battery power is disconnected if the batteries decline to a value incapable of supporting Fire Alarm Panel functions.

Additional information

Weight 2.88 lbs
Dimensions 11.00 × 4.00 × 6.00 in

General Signal




Production Status


Unit of Measurement

EA (Each)


  • All outputs power limited
  • Fully regulated 24 Vdc
  • Built in battery charger
  • Low battery protection
  • Charges and supervises 60 AH batteries
  • Battery saver feature
  • Low standby current
  • High efficiency switch mode technology
  • Ground fault detection with high/low sense
  • Power and Trouble LEDs
  • Supervises low or no AC power
  • Built in transient protection
  • Outputs electronically current limited
  • Supports up to 3 PCPU or DCPU modules
  • Dedicated output for AA75 series amplifiers
  • Ground Fault relay contact
  • Trouble relay contact
  • Full footprint module mounting space
  • Single battery charger for multiple supplies

Auxiliary Power Supplies APS4B, APS8B


GE Security - Data Sheet