Johnson Controls M300MJ
Johnson Controls M300MJ
In stock!
The Johnson Controls M300MJ is an intelligent addressable monitor module that supervises a circuit of normally-open dry-contact initiating devices - manual pull stations, waterflow switches, conventional heat detectors, or supervisory devices - for FlashScan control panels. It mounts to a standard 4" square electrical box, draws its power directly from the two-wire SLC loop with no external supply needed, and supports either Style B (Class B) or Style D (Class A) initiating device circuits.
Key Features
- Monitors conventional dry-contact devices on an addressable FlashScan loop
- Powered directly from the SLC loop - no external power supply required
- Supports Style B (Class B) or Style D (Class A) circuit wiring
- Can replace legacy M500MJ modules in existing systems
Technical Specifications
- Operating voltage: 15-32 VDC
- Operating temperature: 32-120°F (0-49°C)
- Addressing: built-in rotary switches
- Mounting: standard 4" square electrical box
Certifications
- UL Listed intelligent addressable monitor module
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