Interlogix 511C

Two-Wire Photoelectric Smoke Detector w/o CleanMe, 12/24VDC, Not Listed MEA, S10A Compatible, UL268, White

Condition: New
Brand: Interlogix
Status: Obsolete
SKU: 45099
Manufacturer Part #: 511C
Replacement: EC2-OS + EC2-SB


The 511C is an economical, conventional photoelectric, two-wire smoke detector with drift compensation. The 511C continually monitors its own sensitivity and operational status, and provides a visual indication if it drifts out of the sensitivity range or fails internal diagnostics.

Additional information

Weight 0.5 lbs
Detection Method


Production Status




  • Self diagnostics continually monitors detectors operation and meets NFPA 72 sensitivity test requirements
  • Built-in drift compensation reduces nuisance alarms
  • Field-replaceable optical chamber makes servicing a snap
  • Small, low-profile design blends in with any environment
  • Large SEMS type terminals speeds wiring connections while ensuring a secure connection
  • Cost effective for the largest installations


Compatibility Index: ESL Smoke Detector
Installation Instructions: ESL 511/518 Series Smoke Detector


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