Sentek HD912-2 24V 2-Wire Heat Detector

Sentek HD912-2 24V 2-Wire Heat Detector

Product description

Model designation: Sentek HD912-2, 2-wire

Operating voltage: DC 10–33 V, commonly used in 24 V systems

Response level: fixed 57 °C or rapid temperature rise greater than 8 °C/min, rate-of-rise according to UL 521 Class 2 and EN 54-5

Application: suitable for conventional fire alarm systems

Parameter / Value

Standby current: approximately 45 µA

Alarm current: up to 50 mA at 24 V

Maximum current consumption: 100 µA

Response temperature: +57 °C

Current consumption in alarm: up to 80 mA

Operating temperature range: -10 °C to +50 °C

Humidity: up to 95% RH

Dimensions with base: Ø 100 mm × 46 mm high

Weight: 120 g

LED indicator: steady red light during alarm

Functions and features

2-wire connection for simple integration directly with alarm control panels

Automatic temperature monitoring: fixed temperature and rate-of-rise combination ensures fast response in case of fire risk

Robust ABS housing with low-profile design, suitable for ceiling installation

Optional LED output for indication, only on HD912-2L model

Datasheet

Installation guide

Declaration