EC21 Product Catalogs - latch relay

2-wireconventional Photoelectric Smoke Detector Sensor Alarm

20240923

relays latched until reset by panel. Key Specifications/Special Features They work perfectly with all conventional intelligent fire control panels Dual LEDs for 360-degree visibility Advanced MCU Exp

Smoke and Heat Detector FT-143 Relay Output 4-wire

20160118

relays latched when alarm. It combines a photo electronic sensing chamber and a temperature heat detector. Specification: Operation voltage range: 9-28VDC non-polarized standby current: <=200uA