Sentek SD119-4HARB-12 Smoke and Heat Detector with Auto Reset

Sentek SD119-4HARB-12 Smoke and Heat Detector with Auto Reset

Product description

Model: SD119-4HARB-12, four-wire version

Operating voltage: 12 V DC

Detection technology: four-wire combined smoke and heat detector with auto reset and built-in siren

Auto reset: after an alarm, the device resets automatically without disconnecting power

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

Specifications

Supply voltage: 12 V DC

Standby current: approximately 100 µA

Alarm current: approximately 30 mA

Optical sensor sensitivity: 0.08–0.2 dB/m according to EN, or 0.98–4%/ft according to UL

Temperature sensor: activates at approximately 57°C

Dimensions with base: Ø100 × 46 mm

Weight: approximately 130 g

Operating temperature: -10°C to +50°C

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

Functions and features

Four-wire connection

Relay connection with selectable N/O or N/C Form A contact for different system types

Durable construction with reliable SMD electronics and sensor

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

False alarm reduction with advanced algorithms for reliable operation and reduced false alarms caused by dust or steam

LED indicator for visual alarm status

Built-in piezo siren

Datasheet

Installation manual

Certificate