System Sensor 5251H Intelligent High Temperature Thermal Detector System Sensor 2551 Modules – addressed with easy-to-use

Modules – addressed with easy-to-use rotary code switches

a System Trouble LED

point ID capability allows each address to be set with address switches

Mounts directly to 4 inch square electrical with a minimum depth of 2 1/8 inches

EOL Resistance: 47K Ohms

System Sensor 5251H Intelligent High Temperature Thermal Detector System Sensor 2551 Modules – addressed with easy-to-useThese 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 with a 190F fixed temperature alarm. Two LEDs on each sensor light to provide 360 visibility of the sensor indication. The LEDs can be