4451HT SYSTEMSENSOR [Systemsensor advanced ideas.], 4451HT Datasheet
4451HT
Manufacturer Part Number
4451HT
Description
Manufacturer
SYSTEMSENSOR [Systemsensor advanced ideas.]
Datasheet
1.4451HT.pdf
(2 pages)
Model
4451HT
4451HTA
4451HT
Plug-in 190°F
Thermal Detector
Product Overview
C
Dual solid-state thermistor sensing
190°F (88°C) fixed temperature
response
Sealed against back pressure
Low standby current
Built-in tamper-resistant feature
Flame retardant Noryl plastic
360° field viewing angle of the
visual alarm LEDs
Easy plug-in of the head to base
SEMS screws for easy wiring
UL listed for 50 ft. spacing
3-year warranty
S2101
o
7270-1209:105
n
v
e
3011446
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i
The 4451HT fixed intermediate temperature thermal detector is designed to meet
the stringent performance requirements of industrial and municipal fire detection/
alarm systems.
The 4451HT thermal detector contains a unique dual thermistor sensing circuit
to provide both maximum performance and solid state reliability. An RA400Z
remote LED annunciator is available as an optional accessory.
326-94-E
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4451HT Summary of contents
Page 1
... The 4451HT fixed intermediate temperature thermal detector is designed to meet the stringent performance requirements of industrial and municipal fire detection/ alarm systems. The 4451HT thermal detector contains a unique dual thermistor sensing circuit to provide both maximum performance and solid state reliability. An RA400Z remote LED annunciator is available as an optional accessory. ...
Page 2
... B401R 2-wire* Yes *Functionality contingent on panel compatibility. **Must be limited by control panel. ‡Although B401B and B401 bases are capable of 12/24 VDC operation, they cannot be used with the 4451HT in 12V applications. Relay Contact Ratings: Resistive or Inductive (60% power factor) load. Form A: 2.0A at 30VAC/DC Form C: ...