Alarm Systems

Potter, HUSD-15BL Dual Action Hold-up Switch, Latching

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SKU: PES001 Categories: ,


The HUSD-15BL is a Form C (SPDT), dual button hold-up switch that is designed to generate an alarm condition only when both buttons are pressed simultaneously, thus preventing accidental triggering. The HUSD-15BL is designed for latching operation when triggered.

The housing of this series is specially designed with a status window, red (alarm) and blue (armed), to verify the switch condition. The housing mounting screw is concealed to provide additional tampering protection. The built-in UL approved microswitch design generates an alarm condition when the cover is removed or damaged. The terminal strip consists of three wire ports that provide a firm and secure wiring installation.



  • Latching operation
  • Dual button activation to eliminate accidental triggering
  • SPDT transfer contact for supervised loop
  • Terminal strip with three wire terminals
  • Tamper protected switch mechanism using UL listed microswitch
  • Concealed mounting screw
  • Status window indicator
  • White plastic case housing


Technical Specifications:

  • Mechanism Type: Latching
  • Contact Type: SPDT N.O./N.C.
  • Contact Rating: 0.4A @ 125VDC, 5A @ 30VDC, 5A @ 125VAC
  • Overall Stroke: 3mm
  • Overall Force: 10.5 – 14 ounce
  • Operation Method: Dual button
  • Operating Temperature Range: 32F to 120F (0C to 49C)


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