Edwards 281C Heat Detector

when the temperature increase 15ºF (9ºC) or more per minutes, them they closes contacts in the detector. When the rate of rise element alone is

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Edwards Fire Alarm - JKFire

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Edwards 281B-PL Fixed Temperature Heat Detector 3a 125v-ac

Heat Detector รุ่น 281B-PL ยี่ห้อ Edwards (ยกเลิกผลิตแล้ว) ใช้เป็น 5601P แทน

EDWARDS 280B-PL Firworx Heat Detectors 281B-PL, 282B-PL, 283B-PL, 284B-PL

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