The HM-PTSE-UL detector is an intelligent, addressable, multi-sensing, low-profile detector designed for Fire Alarm Control Panels.
The detector uses a combination of photoelectric and thermal sensing technologies to reduce to false alarms. Unlike traditional intelligent detectors, it has a microprocessor that processes alarm data. As a result, the detector adjusts its sensitivity automatically,
without operator intervention or control panel programming. Areas where the detector is especially useful include office complexes,
schools, college campuses, manufacturing, and industrial facilities, and anywhere else where the use of a particular area may change.
The detector automatically adjusts its sensitivity to the environment.


The HM-PTSE-UL plug-in detector uses a separate base to simplify installation, service, and maintenance. A special tool allows maintenance personnel to plug-in and remove detectors without using a ladder. Suitable mounting base boxes include:
• 4.0” (10.16 cm) square box
• 3.5” (8.89 cm) or 4.0” (10.16 cm) octagonal box
• Single-gang box (except relay or isolator base)


• Automatically adjusts sensitivity levels without operator intervention or programming
• Sensitivity increases with heat
• Microprocessor-based, combination photo and thermal technology
• Addressable-analog communication
• Sleek, low-profile design
• Two-wire SLC connection

• Addressing:
— Addressable by device
— Rotary, decimal addressing:
1- 159 for models SMX and STX
• Addresses can be viewed and changed without electronic programmers
• Dual bi-color LED design provides 360° viewing angle
• LEDs lock red when in alarm.
• Built-in, tamper-resistant feature

• Constructed of off-white, fire-resistant plastic, designed to commercial standards, and offers an attractive appearance
• SEMS screws for wiring of the separate base
• Several base options, including relay, isolator, and sounder
• Built-in functional test switch activated by external magnet
• Listed to UL 268

Agency Listings and Approvals
Listing and approval below apply to the modules specified
in this. In some cases, certain modules may not be
listed by certain approval agencies, or listing may be
in process. Consult factory for latest listing status.
• UL Listed: S36216

Product Line Information
HM-PTSE-UL: Low-profile, intelligent, multi-sensor detector

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