UL Approved

The K1840 and K1841 is a UL listed, universal input switching power supply capable of delivering a full 192W of continuous power for fire alarm systems. Suitable for charging a range of sealed lead acid batteries from 7Ah to 40Ah, the K8140 and K1841 power supply features complete monitoring of primary and secondary power sources with fully temperature-compensated battery charging and battery high impedance monitoring.

Main features

  • Continuous 8A load output while charging fully depleted batteries
  • Charges up to 40Ah batteries
  • 120V to 240V AC input
  • AC fail monitoring with LED indication and output
  • Battery disconnection monitoring with LED indication and output
  • Low-battery monitoring with LED indication and output
  • Dynamic Earth fault monitoring with LED indication and output
  • Deep-Discharge Prevention
  • Temperature compensated battery charging
  • Battery Boost Circuitry
  • EN Approved Power Supplies also available
  • UL1481 and UL864 listed


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