Description
Morley Addressable Smoke Detector
Overview
The Morley Addressable Smoke Detector is an intelligent, high-performance photoelectric smoke detection device engineered to provide fast, reliable, and precise early warning of fire in commercial, industrial, and institutional applications. Manufactured by Morley-IAS — a trusted brand under Honeywell with decades of fire safety expertise — this detector combines advanced optical sensing technology with intelligent addressable communication to deliver performance that surpasses conventional detectors.
Available in multiple configurations including the HM-PSE Series, MI-PSE-S2, and advanced multi-criteria detectors, the Morley addressable smoke detector range offers unmatched flexibility to suit any application requirement. The result of many years of research and development, the completely new detection chamber design delivers improved responsiveness, reduced sensitivity changes caused by settling dust, and reduced false alarms resulting from insect ingress and other debris.
Whether you’re equipping a commercial building, an industrial facility, a hospital, a data centre, or a residential complex, Morley addressable smoke detectors deliver the intelligence, reliability, and performance you need for comprehensive fire protection.
Key Features
| Feature | Description |
|---|---|
| Advanced Photoelectric Sensing | Revolutionary optical chamber design offering improved false alarm immunity and enhanced detection across multiple fire types |
| Analogue Addressable Communication | Digital communication with the fire alarm control panel via Series 200 Advanced Protocol for real-time status updates and precise point identification |
| Rotary Decade Address Switches | Simple address setting (01-99) for fast installation and easy system configuration |
| Dual Tri-Colour LEDs for 360° Visibility | Two integral tri-colour LEDs providing 360° local visual indication — programmable with static or blinking red, amber, and green status indications |
| Sophisticated Processing | Plug-in unit with embedded software running complex algorithms to improve resilience to false alarms and improve detection speed |
| Advanced Smoothing Filters | Helps eliminate transient environmental noise conditions that can cause unwanted alarms |
| Optional Short Circuit Isolation | Available with or without single-pole short circuit isolation; isolator per device allows faster, more precise fault finding |
| Enhanced Smoke Chamber Design | Proven in extensive testing to be more efficient, less liable to false alarm due to dust and insects, and less susceptible to fault in high air velocities or back pressure |
| Washable Filter | Easy to maintain with washable filter for extended service life |
| Mechanical & Electrical Backward Compatibility | 100% mechanically and electrically backwards compatible with existing devices |
| Environmentally Friendly | Meets WEEE and RoHS legislative requirements, minimising end-of-life disposal costs |
| Aesthetic Design | Sleek, modern design in pure white or ivory to harmonise with the modern built environment |
Available Models
| Model | Description |
|---|---|
| MI-PSE-S2 | Intelligent optical smoke detector with new detection chamber design, tri-colour LEDs, and Series 200 Advanced Protocol; pure white finish |
| HM-PSE-S2 | Addressable photoelectric smoke detector with S200A technology, advanced optical chamber, and rotary decade addressing |
| HM-PSE-AP | Addressable photoelectric smoke detector with standard base; UL approved |
| HM-PTSE-I | Addressable multi-criteria isolator detector combining photoelectric smoke and thermal sensing; available with built-in short circuit isolation |
| MI-LPB2-S2I | Addressable reflector-type linear optical beam smoke detector operating on light obscuration principle using an Infra-Red beam; range 10m-70m |
| MI-OSI-RIE | Intelligent reflector-type linear optical beam smoke detector (OSID-R); single-ended design for spacious rooms, open areas, and high ceilings |
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Morley-IAS (Honeywell) |
| System Type | Analogue Addressable |
| Detector Type | Photoelectric / Optical |
| Protocol | Morley-IAS / Series 200 Advanced Protocol |
| Operating Voltage | 15 to 32 VDC peak / 15 to 30 V DC |
| Standby Current | Low standby current for minimal loop loading |
| Alarm Current (LED ON) | 7 mA at 24 VDC |
| Isolation Current | 15 mA at 24 VDC |
| Maximum Continuous Current | 1A (Switch closed) |
| Addressing | Rotary decade address switches (01-99) |
| Operating Temperature | -30°C to +70°C / 0°C to 50°C |
| Relative Humidity | 10% – 93% non-condensing |
| Dimensions (Ø x h) | 102 mm x 43 mm (with B501AP base) |
| Weight | 97g – 104g |
| Material | PC/ABS / ABS Plastic |
| Colour Options | Pure White, Ivory |
| Mounting | Ceiling mounting with universal B501AP base |
| Wire Gauge | 2.5 mm² maximum |
Compatible Detector Bases
| Base Model | Description |
|---|---|
| B501AP | Universal addressable detector base; complements the detector and is easy to install and wire |
| B501AP-I | Addressable detector base with built-in short circuit isolator |
Why Choose Morley Addressable Smoke Detector?
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Trusted Global Brand — Manufactured by Morley-IAS, a Honeywell company with decades of fire safety expertise and global leadership
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EN54 Certified — Conforms to EN54-7 (smoke detectors) and EN54-5 (heat detectors)
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LPCB Approved — Approved by the Loss Prevention Certification Board for quality and reliability
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CE Certified — Meets European safety and performance requirements
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Superior False Alarm Immunity — Revolutionary chamber design and advanced smoothing filters reduce unwanted alarms caused by dust, insects, and transient environmental noise
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Fast & Accurate Detection — Embedded software running complex algorithms improves detection speed and resilience
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Easy Installation & Maintenance — Rotary decade addressing, washable filter, and plug-in design simplify installation and maintenance
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Flexible Configuration — Available with or without short circuit isolation to suit any installation requirement
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Environmentally Friendly — Meets WEEE and RoHS legislative requirements
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Backward Compatible — 100% mechanical and electrical compatibility with existing devices for seamless upgrades
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Made in India — Proudly manufactured with quality craftsmanship
Ideal Applications
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Commercial Buildings — Office complexes, shopping malls, retail spaces, and hotels
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Industrial Facilities — Factories, warehouses, manufacturing plants, and data centres
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Healthcare Facilities — Hospitals, clinics, and nursing homes
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Educational Institutions — Schools, colleges, and universities
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Residential Complexes — Apartments, housing societies, and gated communities
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Public Buildings — Auditoriums, theatres, airports, and community centres
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Transportation Hubs — Railway stations, bus terminals, and airports
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Spacious Areas — Beam detectors for large open spaces, atriums, and high ceilings
Compliance & Standards
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EN54-7:2000+A1:2002+A2:2006 — Certified for smoke detectors
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EN54-5:2000+A1:2002 — Certified for heat detectors
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EN54-17:2005 — Certified for fire alarm system components
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EN54-29:2015 — Certified for multi-sensor detectors
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LPCB Approved — Approved by the Loss Prevention Certification Board
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CE Certified — Conforms to European safety and performance requirements
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CEA 4021:2003 — Approved for specific applications
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UL Approved — Approved by Underwriters Laboratories (select models)
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RoHS Compliant — Meets Restriction of Hazardous Substances requirements
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WEEE Compliant — Meets Waste Electrical and Electronic Equipment requirements
For detailed product inquiries, technical support, or to place an order, please contact our sales team.







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