เครื่องตรวจจับสัญญาณเตือนไฟไหม้ รุ่น YT102

Diode base for DC range of conventional detectors

4-Wire Photoelectric Duct Smoke Detector

Short Circuit Isolator

Standard Detector Base

FMM-1 is a standard-sized module (typically mounts to a 4" [10.16 cm] square box) that supervises either a Class A (Style D) or Class B (Style B) circuit of dry-contact input devices.

NBG-12 Series Non-Coded Conventional Manual Fire Alarm Pull Stations