LI5iT Line isolator
Protecting line stability of fire alarm systems
◆ Product Features
  • When a short-circuit occurs on a local branch on the bus, the line isolator on the branch automatically isolates the site line from the bus, leaving other branches unaffected.
  • Automatic recovery after line troubleshooting
◆ Technical specifications
Operation Voltage DC18~26V
Monitor current ≤500uA
Action current ≤10mA
Confirmation lamp (red) No light during operation, always on during operation
Line system Multi-wire system, C+, C-
Contact capacity DC30V 1A, AC125V 0.3A
Operating temperature -10℃~+55℃
Relative humidity ≤95%
Dimensions 85mm×34mm×120mm(L×W×H)
Weight About 100g
Color White
◆ Wiring diagram

External terminal arrangement and description for LI5iT Line isolator

Wiring instructions:
T+IN, T-: Connect to alarm bus input or output (with polarity)
T+OUT, T-: Alarm bus output or input (with polarity)


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ICP 11076333-1