Morley HM optical smoke detector | addressable | with isolator | EN 54-7

HM/PSE/I is an analogue addressable optical smoke detector from the Morley HM series. Its newly designed smoke chamber responds quickly, its sensitivity changes less as dust settles, and insects and other debris cause fewer false alarms. Smoothing filters and software algorithms suppress short-lived environmental disturbances. Two red LEDs show the status from every direction, and the built-in isolator cuts off only the faulty loop section in case of a short circuit. It fits the MI/B501AP/IV base.

Key features

• Optical smoke detector (EN 54-7)
• New smoke chamber: fewer false alarms from dust and insects
• Built-in short-circuit isolator (EN 54-17)
• Address set with rotary switches (01–159)
• 2 red LEDs, visible 360°
• Fits the MI/B501AP/IV base

Technical data