System Sensor 5251B 27/11 in an elevator

in an elevator

rotary addressing

they share data and update status information that determines how the system behaves and how connected devices interact with one another

The Gentex GSB Surface Back Box is constructed of durable plastic and is fully compatible with the Commander2 (GE) and Commander3 (GE3) Series horns

Red powder-coat finish

System Sensor 5251B 27/11 in an elevatorModels 5251B, 5251RB, and 5251H are intelligent sensors that utilize a state of the art thermistor sensing circuit for fast response. These sensors are designed to provide open area protection with 50 foot spacing capability as approved by UL 521. Model 5251B is a fixed temperature sensor with a 135F fixed temperature alarm. Model 5251RB is a rate of rise temperature sensor with a 135F fixed temperature alarm. Model 5251H is a high temperature sensor