BOSCH FAP-425-OT Optical/Heat Multisensor Detector

Bosch FAP-425-OT Optical and Heat Combined Detector

Bosch FAP-425-OT Features

Bosch FAP-425-OT is an addressable multi-sensor detector that combines optical smoke detection with a heat sensor. It works fully with fire alarm control panel systems, minimising false alarms and providing reliable fire detection.

Bosch FAP-425-OT Technical Details

• Operating Voltage: 15 – 33 V DC

• Current Consumption: < 0,55 mA

• Dimensions: 99,5 × 52 mm

• Weight: 75 g

• Detection Area: up to 120 m²

• Maximum Installation Height: 16 m

Combined Optical and Heat Detection Technology

FAP-425-OT combines an optical smoke detector and a thermal sensor to detect different types of fire with high sensitivity.

Electrical and Operating Conditions

• Operating Temperature: –20 °C … +50 °C

• Storage Temperature: –25 °C … +80 °C

• Humidity Resistance: up to 95%, non-condensing

• Maximum Air Velocity: 20 m/s

Compatible with Bosch Fire Detection Panels

The detector is fully compatible with Bosch’s AVENAR series fire detection panels. Its addressable design allows easy integration into the system.

LSN Loop and Addressing Features

• Operates via the LSN (Local Security Network) loop

• Features automatic addressing

• Includes isolation support in the event of a loop break or short circuit

Applications

The Bosch FAP-425-OT can be used in a variety of projects thanks to its versatile design:

• Offices and business centres

• Shopping centres

• Warehouses and production facilities

• Hospitals, schools and hotels

• High-ceiling industrial areas

360° LED Alarm Indicator

The 360° visible LED on the detector makes it easy to identify when an alarm is triggered.

Advantages and Benefits

• Dual-sensor design reduces the risk of false alarms

• Reliable fire detection across large areas

• Long-term sensitivity with drift compensation

• Easy installation and maintenance

Reliability with Drift Compensation

The detector automatically detects dust and contamination that may build up over time and adjusts its sensitivity automatically. This minimises the likelihood of false alarms.

Certificates and Standards

The Bosch FAP-425-OT is manufactured in accordance with international fire safety standards:

• EN 54-5 and EN 54-7

• VdS Approval

• CPR Certification