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Conventional Detection Product Line
i3 Series100 Series 400 SeriesHeat DetectorsBeam Detectors
2-Wire CompatibilityMulti-Voltage RelaysBasesAccessoriesCarbon MonoxideAspiration

Conventional Detection
Search for: 400

5451
5451 5451
5451 Data Sheet Data Sheet (pdf)
5451 Installation Instructions Installation Instructions (pdf)
The 5451 is a combination fixed and rate-of-rise, plug-in heat detector.

B401
B401 B401
B401 Installation Instructions Installation Instructions (pdf)
The B401 is a 2-wire base for use with 400 Series smoke detectors.

B401B
B401B B401B
B401B Installation Instructions Installation Instructions (pdf)
The B401B is a 2-wire base for use with 400 Series smoke detectors.

B401BR
B401BR B401BR
B401BR Installation Instructions Installation Instructions (pdf)
The B401BR is a 2-wire base with current limiting resistor, for use with 400 Series smoke detectors.

B401R
B401R B401R
B401R Installation Instructions Installation Instructions (pdf)
The B401R is a 2-wire base with current limiting resistor, for use with 400 Series smoke detectors.

B402B
B402B B402B
B402B Installation Instructions Installation Instructions (pdf)
The B402B is a 4-wire base with current limiting resistor and Form A&C relay contacts, for use with 400 Series smoke detectors.

B404B
B404B B404B
B404B Installation Instructions Installation Instructions (pdf)
The B404B is a 4-wire base with current limiting resistor, Form A&C relay contacts, and Form A Supervisory contact, for use with 400 Series smoke detectors.

B406B
B406B B406B
B406B Installation Instructions Installation Instructions (pdf)
The B406B is a 2-wire base with Form C relay contact, for use with 400 Series smoke detectors.

MOD400R
MOD400R MOD400R
MOD400R Data Sheet Data Sheet (pdf)
MOD400R Installation Instructions Installation Instructions (pdf)
The MOD400R is used to check the sensitivity of System Sensor 100, 200, 400, and 500 Series smoke detectors, and DH100, DH200, DH400, and DH500 Series duct smoke detectors.

RMK400
RMK400 RMK400
RMK400 Data Sheet Data Sheet (pdf)
RMK400 Installation Instructions Installation Instructions (pdf)
The RMK400 Recessed Mounting Kit is for use with System Sensor 100, 200, 400, and 500 Series plug-in detectors.

SMK400
SMK400 SMK400
SMK400 Data Sheet Data Sheet (pdf)
SMK400 Installation Instructions Installation Instructions (pdf)
The SMK400 flangeless surface mounting kit may be used with certain System Sensor smoke detectors when flush or recessed mounting are not possible.


Discontinued Products
Discontinued Model Installation Instructions Data Sheet Replacement Model
2400 2400 Brochure 2400 Data Sheet 2W-B
The 2400 is a 2-wire, photoelectric smoke detector.
2400TH 2400TH Brochure 2400TH Data Sheet 2WT-B
The 2400TH is a 2-wire, photoelectric smoke detector with a 135°F thermal sensor.
2412B 2412B Brochure 2412B Data Sheet 4W-B
The 2412B is a 4-wire, photoelectric smoke detector with auxiliary Form C relay.
2412THB 2412THB Brochure 2412THB Data Sheet 4WT-B
The 2412THB is a 4-wire, photoelectric smoke detector with a 135°F thermal sensor and auxiliary Form C relay.
2424 2424 Brochure 2424 Data Sheet 4W-B
The 2424 is a 4-wire, photoelectric smoke detector with auxiliary Form C relay.
2424TH 2424TH Brochure 2424TH Data Sheet 4WT-B
The 2424TH is a 4-wire, photoelectric smoke detector with a 135°F thermal sensor and auxiliary Form C relay.
1400 1400 Brochure 1400 Data Sheet
The 1400 is a 2-wire, ionization smoke detector.
1412B 1412B Brochure 1412B Data Sheet
The 1412B is a 4-wire, ionization smoke detector with auxiliary Form C relay.
1424 1424 Brochure 1424 Data Sheet
The 1424 is a 4-wire, ionization smoke detector with auxiliary Form C relay.
1451 1451 Brochure 1451 Data Sheet
The 1451 is a plug-in ionization smoke detector.
2451 2451 Brochure 2451 Data Sheet 2151
The 2451 is a plug-in photoelectric smoke detector.
2451TH 2451TH Brochure 2451TH Data Sheet 2WT-B or 4WT-B
The 2451TH is a plug-in photoelectric smoke detector with a 135°F thermal sensor.
4451HT 4451HT Brochure 4451HT Data Sheet
The 4451HT is a high-temperature plug-in heat detector.
6424 6424 Brochure 6424 Data Sheet BEAM1224
The 6424 is a 4-wire infrared beam smoke detector that includes both a transmitter and a receiver.
RA400Z RA400Z Brochure   RA100Z
The RA400Z is a remote annunciator for use with both conventional and intelligent smoke detectors.
2400AT 2400AT Brochure 2400AT Data Sheet 2WTA-B
2-wire, photoelectric smoke detector with integrated thermal sensor and sounder
2400AIT 2400AIT Brochure 2400AIT Data Sheet Contact System Sensor Tech Support
2-wire, photoelectric smoke detector with integrated isolated thermal sensor and sounder
2412AT 2412AT Brochure 2412AT Data Sheet 4WTA-B
4-wire, photoelectric smoke detector with integrated thermal sensor and sounder
2424AT 2424AT Brochure 2424AT Data Sheet 4WTA-B
4-wire, photoelectric smoke detector with integrated thermal sensor and sounder
2424AIT 2424AIT Brochure 2424AIT Data Sheet 4WITAR-B
4-wire, photoelectric smoke detector with integrated isolated thermal sensor and sounder
B401BH B401BH Brochure  
The B401BH sounder base is intended for use with 400 Series plug-in sensor heads in conventional 2-wire systems.
B401BH-2 B401BH-2 Brochure  
Model B401BH-2 sounder base is intended for use with System Sensor 400 Series plug-in sensor heads in conventional 2-wire plug-in systems, this model meets UL 864 requirements.