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Specialty Modules

SD500-LIM Line Isolator Module

SD500-LIM line isolator modules can isolate a short circuit wiring fault on a signaling line circuit (SLC) loop.

Overview

SD500-LIM line isolator modules are compatible with Honeywell Silent Knight® fire alarm control panels (FACPs). SD500-LIM line isolator modulescan be used on Style 7 (Class A) and Style 4 (Class B) wiring configurations. SD500-LIM line isolator modulescan isolate a short circuit wiring fault on anSLC loop. Normally if a short on the SLC loop occurs, communication on the loop can be disrupted. When isolator modules are used and a short occurs on the SLC loop, it will be detected as a trouble but all the SLC devices that are protected by a line isolator module will continue to operate. SD500-LIM line isolator modulesmount in a standard dual gang or 4 inch square electrical box.

Features & Benefits:
  • Isolates short circuits on an SLC loop
  • Protects other modules on the loop so other devices continue to operate
  • Can be used on Style 7 (Class A) and Style 4 (Class B) wiring configurations
  • Mounts in a standard dual gang or 4 inch square electrical box
Certifications:
  • UL Listed
  • CSFM
  • MEA 429-92-E, Vol 9
  • FM Approved
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SD500-LIM
Line isolator module
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SD500-LIM
Line isolator module