Siemens OP121 Photoelectric Smoke Detector

Product Type: Smoke Detector

OP121 – Photoelectric Smoke Detector

• Standard addressable photoelectric smoke detector for Siemens addressable loops
• Auto-sensitivity feature via internal self-monitoring circuitry
• Dynamic verification of sensitivity for consistent, reliable detection
• Requires a matching Siemens DB-11 base

Technical Specification

• Type: Addressable photoelectric smoke detector
• Base Required: DB-11 (sold separately)