residual current

remote diagnostics wireless fire alarm Smart Electrical Fire Monitoring Device with Residual Current and Temperature Channels export OEM ODM wholesale

UL 217 Smoke Detector — Wanlin, a Chinese fire protection manufacturer and exporter based in Shenzhen, China, supplies the WANLIN full product line across photoelectric smoke detectors, A1R / A2S heat detectors, resettable and weatherproof manual call points, EN 54-3 and EN 54-23 sounder strobes, the WANLIN-860 and WANLIN-868D wireless fire alarm control pa···

elderly care facility smart fire human and technical deep integration direct from Wanlin — 12-year factory experience, WL-SFP600 smart fire detector certified UL 217/UL 268/UL 2034/UL 864/CE/EN14604/EN54/FCC. Key specs: Fixed Temperature + Rate-of-Rise Heat Sensing + LoRaWAN Long Range + Ultra-Low Power, LoRaWAN + IoT Gateway + Cloud Platform + Long Range (···