สัญญาณเตือนภัยดึงมือ รุ่น NBG-12S Manual pull

Intrinsically Safe Combination Heat/Photoelectric Smoke Detector

Base Mount Short Circuit Isolator

Active End of Line

Accessory of conventional fire alarm control panels

16 Zone Conventional Repeater Panel

Conventional Sounder

Digital Flame Proof Reflective Beam Detector

If smoke is present in the beam’s path, the received signal is reduced by a level determined by the density of the smoke.