Potter Nohmi DCM-4 Fire Alarm Dual Contact Module - This advanced monitoring interface provides reliable, dual-channel supervision for fire alarm systems, ensuring rapid signal transmission to the main control panel. - Operating voltage range of 22.0 to 24.0 VDC - Maximum standby current of 350 µA - Dual independent contact inputs - Compact mounting footprint - Compatible with Potter/Nohmi SLC protocols

Engineered to outperform legacy monitoring devices, this module offers improved sensitivity and reduced power consumption compared to older series inputs. By streamlining the communication path between field devices and the control panel, it sets a higher standard for addressable fire alarm system performance and system-wide reliability.

Optimized System Engineering

The DCM-4 utilizes high-speed digital processing to minimize latency, allowing for near-instantaneous notification upon contact activation. Its dual-circuit architecture effectively doubles your monitoring capacity in a single, space-saving unit, reducing the total amount of hardware required for complex life-safety installations.

Enhanced Operational Stability

Designed for durability in demanding environments, this module features robust electrical shielding that prevents false alarms caused by signal interference. The simplified wiring configuration ensures that technicians can complete installations with greater precision, maintaining the integrity of the life-safety loop while maximizing long-term operational uptime.