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The net effect is response speed greater than five times that of other designs
Supervises a Style B (Class B) circuit of dry-contact input devices
upon command from the loop controller
EOL Resistance: 47K Ohms
Modules – addressed with easy-to-use rotary code switches
System Sensor 5251H Intelligent High Temperature Thermal Detector System Sensor 2551 The net effect is responseThese 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
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