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Bosch radionics D129 dual class a fire loop
BOSCH Radionics D129 Dual Class A Fire Loop
BOSCH Radionics D129 Class A Fire Loop
* Adjustable alarm and reset delays
* Provides two supervised Class A (Style D) loops
* Reliable terminal connections
* Suitable for waterflow switches
The D129 Dual Class A Initiating Circuit Module is a fire system interface for compatible Bosch Fire Alarm Control Panels. The D129 Module has two NFPA Class A (Style D) circuits suitable for use with retarded and non-retarded sprinkler waterflow switches. Each circuit has screwdriver-adjustable potentiometers for alarm retard and alarm reset delay. Separate alarm and retard delay potentiometers for each loop allows connecting different types of initiating devices on one module.
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