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The system is expandable with a total of nine additional addressable Signaling Line Circuits (SLC) each with a maximum of 127 devices
colored lens not supported)
Remote Station or Municipal Box Connections
Engineered for professional fire alarm installations
Potter PS40-2 Supervisory Pressure Switch with Two Sets SPDT Contacts Silent Knight The system is expandable withPotter PS40 2 PS40 Series Supervisory Pressure Switch with Two Sets SPDT Contacts PS40 2 Pressure Switch with two sets SPDT contacts P N1340404 The Potter PS40 Series Supervisory Pressure Actuated Switches are designed primarily to detect an increase and or decrease from normal system pressure in automatic fire sprinkler systems. Typical applications are: Dry pipe systems, pre action air nitrogen supervision, pressure tanks, air supplies, and water
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