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SM1 Compatibility Module

Compatibility module SM1 is used when two-wire fire detectors must be wired to the security control panels that use a four-wire fire detector wiring diagram. The module is wired between the inputs (zones) of the control panel and two-wire fire detectors.

  • 11-15 VDC


Input voltage from 10,5 V to 15 V
Output relay NC/NO/C
Triggering current (when relay
changes status)
over 15 mA
Mutual idle current of detectors and
the additional relay
up to 10 mA
Triggering current over 15 mA
Measurements 4 x 21 x 19 mm


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