Fire Alarm Panel City Tie Module & Reverse Polarity Module

  • Power 24V DC @ 200 mA
  • Municipal box: nominal 24V DC
  • wiring resistance: 25 ohms
  • Trip current: 200 mA into 14.5 ohm coil
  • Maximum current: 300 mA
  • Standby current: 20 mA
  • Mounting: single gang box
  • Operating environment: Temperature – 32-120F (0 – 49C), Humidity – 93% RH, non-condensing

CTM

The CTM City Tie Module is an interface between the control panel notification appliance circuit and a master box. It provides off-premises signal transmission for systems that must comply with NFPA requirements for Auxiliary Protective Systems. The CTM activates a local energy fire alarm box, which provides a 24V DC alarm signal (current limited at 200 mA).
RPM

The Edwards RPM Reverse Polarity Module is an interface between FireShield and a reverse polarity receiver. It provides off-premises signal transmission for systems that must comply with NFPA requirements. When used as a reverse polarity remote station or central station transmitter, it can be connected to either a single circuit (alarm, or alarm and trouble) or to up to three circuits (alarm, supervisory, and trouble).

The RPM must be mounted in an MFC-A enclosure immediately adjacent to the panel and in conduit.

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