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  • 521B, Interlogix Smoke Detector 521B, Interlogix Smoke Detector

Interlogix 521B Two-Wire Photoelectric Smoke Detector

Interlogix | SKU: 521B | Model: 521B

Product Highlights

Interlogix 521B Two-Wire Photoelectric Smoke Detector

This item is discontinued. Call (866) 440-2288 for Replacement

The Interlogix 521B is a two-wire photoelectric smoke detector w/CleanMe, 6/12 or 12/24VDC. S09A, S10A Compatible

Product Features

  • Remote Maintenance (CleanMe) Reporting (Two-Wire models) and Built-in Drift Compensation Reduces False Alarms
  • Self-diagnostics Meets NFPA 72 Sensitivity Testing Requirements without the Need for External Meters
  • World's Only Replaceable Optical Chamber Makes Any Required Cleaning a Snap
  • Small, Low Profile Design Blends w/Any Environment
  • Large SEMS Screw Terminals Accept 12-18 AWG Wire

Additional Information

Product SKU 521B
Brand Interlogix
Condition New
Home Control Wi-Fi
Type Hardwired
Scene Indoor
  • (1) - 521B Smoke Detector
  • Warranty - 3 Years