Speakman ALM3-C1D2-DPDT Double-Pole Double-Throw Explosion Proof Alarm - ALM3-C1D2-DPDT

The Speakman ALM3-C1D2-DPDT Alarm is a flow switch activated alarm which comes complete with a flashing light, horn & double pole double throw switch. The unit activates when the flow of water to the fixture is detected. The ALM3-C1D2 is equipped with a silencing switch to deactivate audible and visual signals while the emergency fixture is still in operation. The ALM3-C1D2 meets Class 1 Division 2 electrical requirements.