3 relay Output Card STS3REL

3 relay Output Card for SMART S, SMART3 GC and NC series gas detectors Sensitron STS3REL

STS3REL - 3 relay output card for Smart S, Smart 3 GC and NC series gas detectors Sensitron

The FGA110 / STS3REL 3 relay card plugs into the Smart 3 gas detector's mother board and allows the detector to be provided with potential-free contacts. The first output is associated with Fault / Watchdog alarm. The second contact can be set to the first or second alarm threshold, while the third contact is set to the second or third alarm threshold. The card is complete with flat cable for easy installation.
Note: once used with the Smart S detector, the function of the relays can be modified by the detectors operating menu


- Allows the gas detector to have 3 potential-free contacts
- Connect to other equipment input units
- Easily plugs into the dector mother board
- LED indication


  • Contact rating @ 24 Vdc : 1A
  • Compliant : SMART S, SMART3 GC, SMART3 NC


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