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UL 521 Heat Detector
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UL 521 heat detector for Bulgaria Buyers: Smart Fire Safety ···
UL 521 heat detector f···
2026-09-01
Wanlin Fire - China source manufacturer for UL 521 heat detector. Featured model WL-TH-PNL (Fire Alarm Control Panel): Conventional panel, 8 zones x 25 detectors; Zone threshold programmable 3-15 mA per zone; 4 sounder circuits 24V 1.5A each + fire + fault relays; 0 to +50 deg C, 10-93% RH. Full lineup: smoke and heat detectors, CO and gas detectors, MCPs, s···
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Thailand hotel fire alarm supplier for Indonesia Buyers: Sma···
Thailand hotel fire al···
2026-09-01
Wanlin Fire - China source manufacturer for Thailand hotel fire alarm supplier. Featured model WL-TH-PNL (Fire Alarm Control Panel): Conventional panel, 4 zones x 20 detectors; Zone threshold programmable 3-15 mA per zone; 2 sounder circuits 24V 1A each + fire relay volt-free contact; 0 to +50 deg C, 10-93% RH. Full lineup: smoke and heat detectors, CO and g···
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CSA Certified Heat Detector China Manufacturer, 4G Wireless ···
CSA Certified Heat Det···
2026-07-10
CSA Certified Heat Detector China manufacturer. Fixed temperature and rate of rise heat detection with EN 54-5 UL 521 CE certification. 4G wireless, IoT smart monitoring, OEM/ODM, wholesale, global shipping to Germany. Contact: wanlinfirecontrol@163.com