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Morley LAS HM-PSE-UL Photoelectric Sensor

The HM-PSE-UL addressable, low-profile plug-in photoelectric detectors use a state-of-the-art photoelectric sensing chamber with communications to provide open area protection – used exclusively with Fire Alarm Control Panels (FACPs).




Voltage range: 15 – 32 VDC (peak)
Brand: Morley-IAS by Honeywell
Standby current: 300 µA @ 24 VDC
LED current: 6.5 mA @ 24 VDC (latched “ON”)
Air velocity: 4,000 ft./min. (20 m/sec.)max
Size: 2.1” (5.33 cm) high; base determines diameter
B501: 4.1” (10.4 cm) diameter
Weight: 3.6 oz. (102 g)
Temperature: 0°C – 49°C (32°F – 120°F)


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