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two channel loop powered fire/smoke detector interface
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Emtech Emt 48 10 Dc Solid State Relay Magnetic contactor A145-30 two channel loop powered fire/smokeEmtech Emt 48 10 Dc Solid State Relay emtech type: emt 48 10 dc solid state relay 10 amp 80 480vac 3 32 vdc weight : 80 gm
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