FlashScan Monitor, Supervised IDC
$100.49
The Johnson Controls M300MJ is an intelligent addressable monitor module designed for use with compatible Johnson Controls FlashScan control panels. It supervises a circuit of normally open dry-contact initiating devices such as manual pull stations, waterflow switches, conventional heat detectors, or supervisory devices.
The module mounts to a standard 4-inch square electrical box and is powered directly by the two-wire SLC loop, requiring no additional external power supply. It supports either Style B (Class B) or Style D (Class A) initiating device circuits (IDCs), providing flexible field wiring options.
The built-in rotary switches allow direct address selection, and a panel-controlled LED provides status indication. The M300MJ can replace legacy M500MJ modules in existing systems.
| Weight | 0.20 lbs |
|---|---|
| Dimensions | 4.50 × 4.00 × 1.25 in |
| Manufacturer | Johnson Controls |
| Brand | Johnson Controls |
| Condition | New |
| Unit of Measurement | EA (Each) |
| Input Voltage | 15–32 VDC |
| Addressing Type | Rotary Switch |
| System Type | Intelligent / Addressable |
| Production Status | Active |
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| Weight | 0.20 lbs |
|---|---|
| Dimensions | 4.50 × 4.00 × 1.25 in |
| Manufacturer | Johnson Controls |
| Brand | Johnson Controls |
| Condition | New |
| Unit of Measurement | EA (Each) |
| Input Voltage | 15–32 VDC |
| Addressing Type | Rotary Switch |
| System Type | Intelligent / Addressable |
| Production Status | Active |
• Addressable monitor module for dry-contact initiating devices
• Compatible with FlashScan intelligent control panels
• Supports Style B (Class B) or Style D (Class A) IDCs
• Powered directly by SLC loop (no separate power required)
• Built-in type identification to control panel
• Direct rotary address setting (01–159 FlashScan; 01–99 CLIP)
• Panel-controlled LED (flashes green normal, latches red in alarm)
• High noise immunity (EMF/RFI resistant)
• Includes 47K ohm End-of-Line resistor for Style B circuits
• SEMS screws with clamping plates for secure wiring
• M300MJ Monitor Module
• 47K Ohm End-of-Line Resistor
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