Bosch D129 Dual Class A Initiating Circuit Module

Dual Class A fire Loop. The D129 Dual Initiating Circuit Module is system interface for compatible Bosch Alarm Control Panels. has two NFPA (Style D) circuits suitable use with retarded and non-retarded sprinkler waterflow switches. Each screwdriver-adjustable potentiometers retard reset delay. Separate delay loop allows connecting different types of devices on one module. Adjust periods to compensate flow valve fanning. Multi-family occupancies, office buildings, institutional facilities are typical installations where either or both mechanically-actuated required.

• Adjustable delays
• Provides supervised loops
• Reliable terminal connections
• Suitable switches
• Compensates fanning