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public library fire alarm
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Public library fire alarm for Oman Buyers: Smart Fire Safety···
Public library fire al···
2026-09-01
Wanlin Fire - China source manufacturer for public library fire alarm. Featured model WL-TH-HD (Fixed & Rate-of-Rise Heat Detector): Rate-of-rise A1R: 57 deg C fixed + 8 deg C/min rise; EN54-5 Class A1R, fixed 57 deg C + rate-of-rise 8 deg C/min; Panel zone alarm + optional internal 87 dB sounder; -10 to +50 deg C, 0-95% RH (tropical humidity rated). Full li···