NOTIFIER NDM-100 Dual Monitor Module – 2 Class B Circuits, SLC Loop, UL/FM

Description

The NOTIFIER NDM-100 Dual Monitor Module is engineered for reliable fire alarm input monitoring in two-wire intelligent systems. Designed to support two independent Style B (Class B) dry-contact initiating device circuits (IDCs), it’s perfect for conventional devices like pull stations and heat detectors.

Each IDC is assigned to a separate, consecutive SLC loop address, simplifying configuration and enabling precise zone monitoring. The NDM-100 is powered directly from the SLC loop, eliminating the need for external power. It features built-in type identification for seamless integration with FireWarden control panels and SEMS screws with clamping plates for fast, secure wiring.

A visible LED flashes during normal operation and latches steady when in alarm, providing clear visual confirmation. The unit supports direct rotary switch address entry and offers high immunity to electrical noise (EMF/RFI), making it a durable and dependable solution in demanding environments.

Key Features:

• Monitors 2 Class B dry-contact IDC circuits
• Powered via SLC loop – no external power needed
• High noise immunity and stable communications
• Addressable using rotary switches (01–99 on FW-100-2)
• LED indication for normal and alarm states
• UL Listed, ULC Listed, FM Approved

Ideal for commercial or industrial fire alarm systems, the NDM-100 offers dual-input flexibility with dependable performance, ensuring safety and code compliance.