Sentek HD912-4-12 12V 4-Wire Heat Detector

Sentek HD912-4-12 12V 4-Wire Heat Detector

Product description

Model designation: Sentek HD912-4-12, 4-wire

Operating voltage: 12 V DC, commonly used in 12 V alarm systems

Response level: fixed 57 °C or rapid temperature rise greater than 8 °C/min

Application: suitable for conventional fire alarm systems

Parameter / Value

Current consumption, standby: approximately 80 µA

Alarm current: up to 50 mA at 24 V

Relay contact: NO or NC

Response temperature: +57 °C

Current consumption in alarm: up to 30 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

4-wire connection with separate power and signal lines, widely compatible with alarm control panels

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

Selectable relay, 4-wire: N/C or N/O output capability, 1 A at 30 V DC, HD912-4 series

Datasheet

Installation guide

Declaration