Intelligent Sounder Base


The TR-B200SR sounder base series is designed for new and existing dwelling unit applications. It offers maximum flexibility in installation, configuration, and operation to meet or exceed UL 268 and UL 464 requirements.


The device enables users to select one of two supported tones (ANSI Temporal 3 or Continuous) by removing a jumper.


With its attractive aesthetics, the TR-B200SR / TR-B200SR-LF series is ideal for applications where appearance is critical. For example, the sounder base employs a separate mounting plate that installs on various junction box sizes to eliminate unsightly surfacemount boxes. In addition, the mounting plate enables pre-wiring of all connections to speed and simplify installation. The housing then mates with the mounting plate and is locked in position with two retaining screws, which are covered by the installed sensor head for added tamper resistance.


The TR-B200SR-LF low frequency sounder base is designed to meet the NFPA 72 sleeping space requirement to produce a fundamental frequency of 520 Hz +/– 10% with a square wave or its equivalent. Studies show that a lower frequency, centered around 520 Hz, is the most ideal to awaken sleeping occupants, even those with mild to severe hearing loss.


The TR-B200SR / TR-B200SR-LF can be mounted directly into a 4” square by at least 1.5” – 2.1” deep electrical box, using the supplied mounting kit.

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• Tone selection via an onboard jumper
• UL 268 and UL 464 compliant
• Pre-wire mounting plate fits various junction box sizes
• Mechanical locking feature prevents the removal of the attached sensor head
• 520 Hz +/– 10%square wave tone (TR-B200S-LF)


Height: 2.0” (5.08 cm) less sensor
Width: 6.875” (17.46 cm)
Shipping Weight: TR-B200SR 0.50 lb. (227 gm)
TR-B200SR-LF: 0.60 lb. (272 gm)


Operating Temperature: Refer to applicable sensor operating temperature range using the base / sensor.
Humidity: 10 to 93% (non-condensing)


External Supply Voltage: 16 to 33VDC (VFWR)
Alarm Current (TR-B200SR): 35mA maximum
Alarm Current (TR-B200SR-LF): 125mA maximum
SLC Operating Voltage: 15 to 32VDC
SLC Standby & Alarm Current: 300 μA maximum


Greater than 85 dBA minimum measured in a UL reverberant room at 10 feet, 24 Volts
(in continuous tone)


TR-B200SR-WH: Sounder Base, White
TR-B200SR-IV: Sounder Base, Ivory
TR-B200SR-LF-WH: Low Frequency Sounder Base, White
TR-B200SR-LF-IV: Low Frequency Sounder Base, Ivory

The TR-B200SR and TR-B200SR-LF are compatible with the following TR series detectors:
• TR-Photo-W / TR-Photo-IV Photoelectric Smoke Detector
• TR-Photo-T-W / TR-Photo-T-IV Photoelectric Smoke
Detector with Thermal
• TR-PTIR-W / TR-PTIR-IV Multicriteria Detector
• TR-FIRE-CO-W / TR-FIRE-CO-IV Multicriteria Detector
• TR-HEAT-W /TR-HEAT-IV Fixed Temperature Thermal Detector
• TR-HEAT-ROR-W / TR-HEAT-ROR-IV Rate-of-Rise Detector with Thermal
• TR-HEAT-HT-W / TR-HEAT-HT-IV Fixed High Temperature Thermal Detector

The TR-B200SR and TR-B200SR-LF are compatible with the following Triga Series FACPs:
• TR-2100R / ITR-2100B
• TR-2100ECSR / TR-2100ECSB
• TR-R2100R / TR-R2100B

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