PSA Isolation Relay for smoke, heat & CO alarms

Brand: PSA

Warranty: 1 year





Isolation relay (Gen 2) for Lifesaver smoke, heat and CO alarms for connection to auxiliary devices such as sirens, sounders, emergency lights, security and fire panels.

(1 customer review)
PSA Isolation Relay for smoke, heat & CO alarms $84.00 $77.00


  • Operates in absence of mains voltage and only when alarm device is in alarm state
  • Selectable relay options latching, pulse and CO latching mode
  • 240V AC / 30V DC 5Amp contact rating
  • Normally Open and Normally Close contact options
  • When CO latching mode is selected, only CO alarm activation will trigger the isolation relay

Additional information


Operating Coil Voltage: 5V – 10V DC
Secondary Contacts: Normally Open, Normally Closed(change-over contacts)
Contact options: Pulse, Latching,CO Latching
Secondary Contact Rating:
240V AC 50Hz @ 5 Amps
30V DC @ 5 Amps
Contact Switching
Time Delay: 4 seconds once activated
Maximum No. of interconnected smoke alarms to a single LIFSAIR unit: 24
Maximum number of LIFSAIR relay connected to one smoke alarm: 3
Operating Temperature: 0°C – 50°C
Dimensions: 89mm Deep x 68mm Wide x 45mm High