Expansion Modules
450 μA Fault Isolator Module
Johnson and Control M500XJ are Fault Isolator Modules which enable part of the communications loop to continue operating when a short circuit occurs on it.
Johnson and Control M500XJ are Fault Isolator Modules which enable part of the communications loop to continue operating when a short circuit occurs on it. An LED indicator blinks in the normal condition and turns on during a short circuit condition. The module will automatically restore the entire communications loop to the normal condition when the short circuit is removed.
Features & Benefits:- Integral LED blinks to indicate normal condition
- High noise EMF/RFI immunity
- Wide viewing angle of LED
- SEMS screws with clamping plates for ease of wiring
- Automatically resets on correction of short
- UL: S1570
- FM Approved
- CSFM: 7300-0554:152