Potter PS40-2 PS40 Series Supervisory Pressure Switch with Two Sets SPDT Contacts
System Sensor SPSCRL Red Ceiling Mount Speaker from the L-Series of devices
Continuous or Temporal 3 Sounder
flashing at 1 Hz over the strobe's entire operating voltage range
Optional Transformer Increases System Power Output To 60 Amps Use Xrm-24Be With Ms-9200Udls Rev2(E)
Silent Knight OSI-RI-SK Smoke Optical Beam ELSPSTR Potter PS40-2 PS40 Series SupervisorySilent Knight OSI RI SK Smoke Detector Linear Optical Beam It's an intelligent, addressable, reflector type smoke detector. The OSI RI SK is designed to protect large, open areas with high ceilings, such as warehouses, malls, aircraft hangers, arenas, and concert halls. It's ideal when spot type smoke detectors are difficult to install and maintain.