Siemens HI921 SF 20/02 Its rugged toggle switch design
$86.00
Description
Its rugged toggle switch design offers exceptional resistance to accidental alarms caused by sudden vibration or shock
CTX1300 2014
self-diagnostics performed every 10 seconds
indicated the relay coil is energized
Siemens HI921 SF 20/02 Its rugged toggle switch designThe Siemens HI921 is an intelligent, addressable thermal (heat) detector designed to provide advanced fire detection through precise temperature monitoring. Incorporating state of the art thermistor technology and microprocessor based signal processing, the HI921 ensures high reliability and accuracy in various environments. Offers seven pre programmed temperature settings ranging from 135F (57C) to 174F (79C), including both fixed and rate of rise
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