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Auto‑reset PTC fuse on each output — avoids manual fuse replacement and protects individual loads
Overload and over temperature protection included
Two independent detection zones with separate sensitivity selectors for camera preset/trigger control
this cable delivers exceptional performance
Ultra low profile design with built in gasket
Haydon EN54-4 Fire Power Supply 27.6V 1A, 2×7Ah Battery Encl, HAY-PSUEN54-1A Adjustable Depth 50.5–101 mm Auto‑reset PTC fuse on eachOverview The Haydon HAY PSUEN54 1A is an EN54 4 compliant boxed power supply designed for fire detection and alarm systems. It provides an uninterruptible 27. 6 VDC output with integrated battery back up, battery monitoring and voltfree fault outputs for system supervision. EN544 +A1 +A2 certified for fire alarm use. Uninterruptible 27. 6 VDC output with 1 A rated output (Imax with charging 1 A; Imax no charging 1. 5 A). Accommodates 2 7 Ah sealed
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