Home / Valves & Systems / Accessories / Alarm Devices / Supervisory Switches / System Sensor OSYEXP System Sensor OSYEXP Explosion proof OS&Y supervisory switch Request a Quote This product is already on your Quote Request Browse your Quote Request Factory NewBrand: System Sensor FireAlarm.com Part #: 31733 Categories: Supervisory Switches, Valves & Systems Manufacturer Part #: OSYEXP Specifications Resources Resources Information Weight 1.00 lbs Condition New Brand System Sensor ResourcesOSYEXP and PIBVEXP Explosion Proof Supervisory Switch System Sensor – Data Sheet