• Four different monitor modules are available for Notifier’s intelligent control panels for a variety of applications. Monitor modules supervise a circuit of dry-contact input devices, such as conventional heat detectors and pull stations, or monitor and power a circuit of two-wire smoke detectors
• FDM-1(A) is a standard-sized dual monitor module that monitors and supervises two independent two-wire Style B (Class B) dry-contact initiating device circuits (IDCs) at two separate, consecutive addresses in intelligent, two-wire systems

• The Dual Monitor Module is intended for use in intelligent, two wire systems. It provides two independent 2-wire initiating device circuits (IDC), at two separate, consecutive addresses. It is capable of monitoring normally open contact fire alarm and supervisory devices, or either normally open or normally closed security devices. The module has a single panel controlled red LED.

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FDM-1 Dual Monitor Module

Normal Operating Voltage: 15 to 32 VDC

Maximum Current Draw: 5.7 mA (LED on)

Average Operating Current: 750µA (LED flashing)

EOL Resistance: 47K Ohms Maximum IDC wiring resistance: 1,500 Ohms

Temperature Range: 32˚F to 120˚F (0˚C to 49˚C)

Humidity: 10% to 93%

Noncondensing Dimensions: 41/2″ H x 4″ W x 11/4″ D (Mounts to a 4″ square by 21/8″ deep box.)

Accessories: SMB500 Electrical Box

• UL: S635.
• ULC: S635.
• FM Approved.
• CSFM: 7300-0028:0219, 7165-0028:0224, 7165-0028:0243.
• MEA: 457-99-E.
• U.S. Coast Guard: 161.002/50/0 (NFS2-640, NFS2-320, NFS2-3030).
• Lloyd’s Register: 11/600013 (NFS2-640, NFS2-320, NFS2-3030).
• Fire Dept. of New York: COA #6121 (NFS2-640, NFS-320), COA# 6114 (NFS2-3030).