NOTIFIER FSP-951T-SELFT Self-Test Photoelectric Thermal Detector

Quick, Safe, and Compliant. NOTIFIER FSP-951T-SELFT Self-Test Photoelectric Thermal Detector: the first UL approved detectors that can test themselves. This new range of detectors will revolutionize the way we install, test, and maintain life safety systems.

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NOTIFIER Self-Test DetectorsQuick, Safe, and Compliant. NOTIFIER FSP-951T-SELFT Self-Test Photoelectric Thermal Detector: the first UL approved detectors that can test themselves. This new range of detectors will revolutionize the way we install, test, and maintain life safety systems.

FSP-951T-SELFT: White, same as FSP-951 but includes a built-in 135°F (57°C) fixed-temperature thermal device, FlashScan only.

Current safety testing can be slow, costly, and disruptive. Obstacles such as locked rooms, hard to access areas, and high ceilings can often lead to detectors going untested, putting buildings at risk.

The NOTIFIER Self-Test series of detectors removes these obstacles with our patented and UL approved self-testing technology, enabling the device to introduce small amounts of heat and smoke into the detection chamber, testing both the photo and thermal sensors as well ensuring that the smoke entry points are clear and free of obstruction. With NOTIFIER’s self-testing technology, even the largest networked systems can be tested in no time at all. At last, a fire detector that can test itself. NOTIFIER Self-Test series of detectors – Quick. Safe. Compliant.

The breakthrough NOTIFIER® Self-Test Series intelligent plug-in smoke detectors are designed for performance, ease of use and aesthetics. When used with NOTIFIER INSPIRE™ Series N16 panel and initiated through an app, the Self-Test Series detectors automatically perform maintenance tests of smoke and heat detection without using canned smoke or heat guns.

The Self-Test process meets the three core NFPA requirements for detector maintenance: functional test, smoke entry test, and ability to verify a visual inspection has taken place. It is the first detector of its type to be approved by UL. It also retains the great features of the standard 951 series including the enhanced optical sensing chamber which is engineered to sense smoke produced by a wide range of combustion sources in accordance with more stringent code standards. For ease, its sensitivity can also be programmed in the control panel software. Sensitivity is continuously monitored and reported to the panel for selective maintenance when chamber contamination reaches an unacceptable level.

Dual electronic thermistors add 135°F (57°C) fixed temperature thermal sensing on the FSP-951T-SELFT. The FST-951-SELFT intelligent temperature sensor can be programmed as either a 135°F fixed temperature sensor, a rate of rise and 135°F fixed temperature sensor or a 190°F high temperature sensor through the Fire Alarm Control Panel (FACP).

Point ID capability allows each detector’s address to be set with rotary, decimal address switches, providing exact detector location for selective maintenance when chamber contamination reaches an unacceptable level. Dual electronic thermistors add 135°F (57°C) fixed temperature thermal sensing on the FSP-951T-SELFT. The NOTIFIER Self-Test series detectors are available for our FlashScan® applications.

NOTIFIER Self-Test Detectors – Quick, Safe, Compliant (2:11 min)

NOTIFIER Self-Test Detectors – Demo Video (2:22 min)

See how NOTIFIER’s self-testing detectors are bringing building safety to the next level in this demo video.


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NOTIFIER Self-Test DetectorCONNECTED – Each Self-Test detector has a built-in beacon that communicates directly with the technician using the connected life safety system app.

PROTECTED – Self-Test detectors remain fully active during the testing process, ensuring that the alarm is raised if a real fire is detected.

INNOVATIVE – Self-Test is the first of its kind on the market. The testing process takes just 20 seconds per detector.

COMPLIANT – Self-Test generates a full report to confirm every device has been successfully tested, inspected, and is fully compliant with NFPA requirements.

Managing the fire and life safety systems for a commercial facility is no easy task. You are responsible for implementing technology and processes that not only keep your buildings and occupants safe, but also create an environment with limited disruptions, consistent uptime, and an exceptional occupant experience.

Your day-to-day is impacted by liability concerns, disruptive maintenance visits, faulty systems and devices, and high costs of ownership. And in today’s COVID world, the equation becomes even more complex. There are limits to who can enter your building, how many people can enter your building, how long they can stay, what level of access they can obtain, how they might disrupt your occupants – and the list goes on.

When it comes time for your NFPA-mandated life safety system test and inspection, the process typically takes days, if not weeks, depending on the size of your campus or facility and requires multiple technicians. These technicians must have access to difficult areas such as occupied private rooms and elevator shafts, meaning you must either disrupt the occupants using these spaces or completely disable the spaces for the duration of the inspection.

The last thing you need are third party personnel spending too much time on your site, disrupting you, your staff, and your occupants.

NOTIFIER has developed the first UL-approved detectors that can be tested automatically – cutting the test and inspection process down from days and weeks to hours and minutes.

How is that possible? Let’s break it down.

Smoke Detector Testing Process Today:

  1. It takes two technicians to safely test the system. For a 50-detector system, it would take about 2.5 hours to complete barring there are no issues with access*.
  2. One technician walks the building and sprays canned smoke into each detector which takes approximately 6 minutes of access to each room.
  3. The other technician is at the panel making sure the test is being seen and, since the panel is in test mode, they watch the system to make sure no other detector goes into alarm mode – signaling a real fire emergency.
  4. Technicians need access to difficult areas like locked rooms, elevator shafts, and areas with tall ceilings. This adds to their time spent on site and level of disruption.
  5. The inspection report is typically transcribed manually, taking about one hour for a 50-detector system.*

NOTIFIER Self-Test One Technician ProcessSmoke Detector Testing Process with NOTIFIER Self-Test:

  1. The number of technicians required to safely test the system is reduced to one. For a 50-detector system, it would take about 40 minutes*.
  2. One technician can initiate the test at the panel for the entire building and only needs to access the room to conduct a short visual inspection of the detector.
  3. The system remains fully operational the entire time the test is being conducted – raising the alarm if a real fire is detected, making the process safer than ever.
  4. Smoke detectors in hard to access areas no longer pose an issue – they only need to be visually inspected resulting in less disruption to occupied spaces.
  5. The inspection report is digitized and delivered electronically via the Connected Life Safety Services (CLSS) app within minutes, confirming that every device has been successfully tested, inspected, and is compliant to regulatory requirements.

This innovative technology is changing the game for commercial facilities and the people who are responsible for them. With NOTIFIER’s self-testing detection technology, you’ll turn a process that is slow and disruptive to one that is quick, safe, and compliant.

*based on a time and motion study on a 50-detector system in an office building.

NOTIFIER Self-Test Detector Generates Heat and Smoke

Self-Test Detector Generates Heat and Smoke


  • Introduces small amounts of smoke and heat into the chamber to test both sensors
  • Automatically tests if the photo sensor smoke entry points are blocked by the dust cover
  • Verifies that the technician has completed the visual inspection through its built-in beacon and the self-test app
  • Tests detectors across multiple loops and panels concurrently
  • Listed to UL 268 7th edition and/or UL 521


  • Two-wire SLC loop connection
  • Unit uses base for wiring
  • Compatible with FlashScan® protocol systems
  • Stable communication technique with noise immunity


  • Addressable by device
  • Rotary, decimal addressing (Refer to the NOTIFIER panel manuals for device capacity.)


  • Sleek, low-profile, stylish design
  • Unique single-source design to respond quickly and dependably to a broad range of fires
  • Integral communications and built-in device-type identification
  • Tamper resistance option provided by bases
  • Remote test feature from the panel
  • Built-in functional test switch activated by external magnet
  • Removable cover and insect-resistant screen for simple field cleaning


  • LED “blinks” when the unit is polled (communicating with the fire panel) and latches in alarm.
  • LED “on” when unit is performing Self-Test
  • Low standby current


  • Sealed against back pressure
  • SEMS screws for wiring of the separate base
  • Designed for direct-surface or electrical-box mounting
  • Plugs into separate base for ease of installation and maintenance


  • Optional relay, isolator, and sounder bases


These detectors are constructed of fire-resistant plastic. NOTIFIER® Self-Test Series plug-in intelligent smoke detectors are designed to commercial standards and offer an attractive appearance.


Each NOTIFIER Self-Test Series detector uses one of the panel’s addresses on the NOTIFIER Signaling Line Circuit (SLC). The detector responds to regular polls from the control panel and reports its type and the status. If it receives a test command from the panel (or a local magnet test), it stimulates its electronics and reports an alarm. It blinks its LEDs when polled and turns the LEDs on when commanded by the panel. The NOTIFIER Self-Test Series offers an industry breakthrough with its UL approved Self-Test feature as well as great fire detection performance that represent the latest in smoke detector technology.

NOTIFIER Self-Test Detector How it works


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B300-6: White, 6” base, standard flanged low-profile mounting base (CSFM: 7300-1653:0109)

B300-6-BP: Bulk pack of B300-6, package contains 10

B501-WHITE: White, 4” standard European flangeless mounting base. UL listed (CSFM: 7300-1653:0109)

B501-WHITE-BP: Bulk pack of B501-WHITE contains 10

B224RB-WH: White, relay base (CSFM: 7300-1653:0216)

B224BI-WH: White, isolator detector base (CSFM: 7300-1653:0216)

B200S-WH: White, Intelligent addressable sounder base capable of producing sound output in high or low volume with ANSI Temporal 3, ANSI Temporal 4, continuous tone, marching tone, and custom tone. Uses FlashScan protocol. (CSFM: 7300-1653:0213)

B200S-LF-WH: White, Low Frequency Intelligent, programmable sounder base. Produces a fundamental frequency of 520 Hz +/-10% with a square wave or its equivalent; designed to meet the NFPA 72 sleeping space requirement. (CSFM: 7300-1653:0238)



TR300: White, replacement flange for B300-6 series bases

RA100Z: Remote LED annunciator. 3-32 VDC. Mounts to a U.S. single- gang electrical box. For use with B501 and B300-6 series bases.

M02-04-00: Test magnet

M02-09-00: Test magnet with telescoping handle



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Voltage range: 15 – 32 volts DC peak

Standby current (max. avg.): 200μA @ 24 VDC (one communication every 5 seconds with LED enabled)

Max current: 4.5 mA @ 24 VDC (“ON”)




  • UL Applications:
    • Open Area: 2.86 – 5.0 %/FT obscuration
    • Special Application: 0.5 – 2.86 %/FT obscuration

Size: 2.0″ (51mm) high; base determines diameter

    • B300-6 series: 6.1″ (15.6 cm) diameter
    • B501 series: 4″ (10.2 cm) diameter

Shipping weight: 3.4 oz. (95 g)

Operating temperature range:

  • FSP-951-SELFT: 32°F to 122°F (0°C to 50°C)
  • FSP-951T-SELFT: 32°F to 115°F (0°C to 47°C)
  • FST-951-SELFT:
    • Set for fixed-temperature or rate-of-rise (ROR):–4°F to 100°F (–20°C to 38°C)
    • Set for high-heat: –4°F to 150°F (–20°C to 66°C)

UL Listed Velocity Range: 0-4000 ft/min. (1219.2 m/min.). Velocity range with Self-Test process in operation: 0-300 ft/min (91.4 m/min).

Relative humidity: 10% – 93% non-condensing

Thermal ratings: fixed-temperature set point 135°F (57°C), rate-of-rise detection 15°F (8.3°C) per minute, high temperature heat 190°F (88°C)

Self-Test Operation: The Self-Test feature offers up to 150 tests before reaching an end of life.

Mounting: To ensure the operation of the Self-Test feature, a detector installed on the ceiling must remain in a ceiling-oriented position; those installed on the wall must remain in a wall-oriented position.

Detector Spacing and Applications: NOTIFIER recommends spacing detectors in compliance with NFPA 72. For specific information regarding detector spacing, placement, and special applications refer to NFPA 72.



  • UL268 7th edition (FSP-951-SELFT, FSP-951T-SELFT)
  • UL521 (FSP-951T-SELFT, FST-951-SELFT)


Listings and Approvals

The file number(s) below reference the specific listings for the modules in this document. In some cases, certain modules or applications may not be listed by certain approval agencies, or listing may be in process. Consult factory for latest listing status.

  • UL Listed: S1115 (FSP-951-SELFT, FSP-951T-SELFT), S747 (FST-951-SELFT)
  • FM Approved
  • CSFM: 7270-0028:0502 (FST-951-SELFT), 7272-0028:0503 (FSP-951-SELFT, FSP-951T-SELFT)