Sentek SD119-4-12 12V 4-Wire Smoke Detector

Sentek SD119-4-12 12V 4-Wire Smoke Detector

Product description

Model designation: SD119-4-12, 4-wire

Operating voltage: 12 V DC

Detection technology: photoelectric smoke detector

Relay output: the contact can be configured as N/O or N/C and follows Form A standard, 1 A at 30 V DC or 0.5 A at 125 V AC

Parameter / Value

Supply voltage: 12 V DC

Current consumption, standby: approximately 80 µA

Alarm current: approximately 30 mA

Start-up time: up to 30 s

Recovery time, cycle time: 1–3 s

Dimensions, housing and base: Ø 100 mm × 46 mm

Weight: approximately 130 g

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

Humidity resistance: 0–95% RH, non-condensing

Smoke detection sensitivity: 0.98–2.40%/ft (UL) or 0.08–0.14 dB/m (EN)

Functions and features

4-wire connection

Relay connection: selectable N/O or N/C Form A contact, supporting different system types

Robust construction with durable SMD electronics and sensor

Low-profile modern design with a smooth lightweight plastic housing, suitable for ceiling installation

False alarm reduction: advanced algorithms improve reliability and reduce false alarms caused by dust or vapour

LED indicator for visual alarm display

Datasheet

Installation guide

Declaration