MDF-300 Dual Monitor Module The MDF-300(A) Dual Monitor Module is intended for use in intelligent, two-wire systems. It provides two independent twowire initiating device circuits (IDCs) at two separate, consecutive addresses. It is capable of monitoring normally open contact fire alarm and supervisory devices. The module has a single panelcontrolled LED.

Alarm Current: 75mA (max.); 54mA (12V In), 32mA (24V In)
Dimensions: Diameter: 6.4 in. ; Width: 6.04 in. ; Depth: 1.00 in
Mounting: 4-11/16 in. square back box or inside a metal enclosure
Operating Humidity Range: 5-95% RH
Operating Temperature Range: 0 – 50° C (32 — 122° F)
Operating Voltage: Nominal: 12/24 VDC; Minimum: 10 VDC; Maximum: 35 VDC (power limited)
Standby Current: 52mA (max.); 36mA (12V In); 20mA (24V In)
Weight: 9.6 oz. (272 g)
Wiring Gauge: 14-22 AWG