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

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.

Model

4451HT

4451HTA

Product Overview

4451HT

Plug-in 190°F

Thermal Detector

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S2101

7270-1209:105

3011446

326-94-E