DA343: Door guard

  • Surface or Flush mounting
  • Random or common keyed
  • Silent or Sound on shunt
  • Sound output 105dB @ 10CM
  • 12V DC-Powered
  • Alarm & Shunt SPCO relay contacts
  • Tamper-switched

Designed to give an audible and visual indication if a door is opened, such as a fire exit door or security cage. These units have one green LED, one red LED, a built-in key operated switch and an internal sounder.

DA250U: Remote key switch controlled shunt

  • Trigger with remote key switch or system
  • 30V DC 1A rated Alarm & Shunt relay contacts
  • Input 2x volt free closed-circuit loops
  • Sound level 85 dbA
  • Tamper switch

Power supplies within precision-made mild steel enclosures, finished with a white powder coating for durability.

DA250LS Integrated key switch controlled shunt

  • On board key switch
  • 30V DC 1A rated Alarm & Shunt relay contacts
  • Input 2x volt free closed-circuit loops
  • Sound level 85 dbA
  • Tamper switch

Designed to switch out (shunt) an active security system circuit thus allowing controlled access to a secure area.

DA225: Setting inhibitor

  • Key switch operated relays
  • Tamper switch

This unit was originally designed to inhibit setting of an intruder alarm system after an alarm activation. With its double-pole key switch, double-pole relay and LED, it can be used in many other applications where a relay and key switch are required. Typically used for inhibiting systems for testing such as fog bandit, smoke cloak and Smart water systems.

DA228: High-security key switch

  • Key switch operated relays
  • Tamper switch

A handy high-security key switch with DPCO (double-pole change-over) contacts housed in a die-cast aluminium enclosure with security screws, complete with LED and tamper connections. Typical uses include to override equipment such as magnetic locks or electronic releases in the event of an access control system failure.