Siemens 533-377-4 14/01 The Siemens HTRI-R single-input interface
$40.00
Description
The Siemens HTRI-R single-input interface module with relay allows fire alarm systems to monitor and control external devices with precision
this pull station requires two-step activation to help prevent accidental alarms while ensuring quick and efficient response during fire emergencies
Model 2151 (photoelectric sensor) and model 2151T (photoelectric sensor with thermal) can be used with a variety of adapter bases in several wiring configurations and voltages
This accessory is essential for protecting the sensor from environmental elements while maintaining optimal detection performance
If the break-rod is used
Siemens 533-377-4 14/01 The Siemens HTRI-R single-input interface
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