Bosch FLM-420-I2-E Input Module

Bosch FLM-420-I2-E Input Module – An Integrated Safety Solution for Bosch Fire Panels

What Is the Bosch FLM-420-I2-E Input Module?

The Bosch FLM-420-I2-E is an addressable input module designed to transmit signals from external devices to the Bosch fire panel in fire detection systems. The module makes it easy to integrate gas detection systems, sprinkler monitoring switches, manual call points and other fire safety devices into the system.

Seamless Integration with Bosch Fire Panels

Developed using Bosch’s LSN improved technology, the FLM-420-I2-E input module provides both power and data communication over a single line, simplifying cabling. This feature enables fully compatible and reliable communication with Bosch fire panels.

Technical Specifications

General Features

• Model: FLM-420-I2-E

• Connection Type: LSN improved (Local Security Network)

• Number of Inputs: 2 independent monitored inputs

• Application: Transmitting signals from external devices to the Bosch fire panel

• Mounting: Surface-mounted, protected enclosure

• Protection Rating: IP54

Electrical Specifications

• Operating Voltage: 15–33 V DC (powered via the LSN line)

• Current Consumption: Average 0,8 mA

• Maximum Cable Length: Up to 3.000 metres (LSN improved)

Mechanical Specifications

• Dimensions: 90 × 90 × 40 mm

• Weight: Approx. 150 g

• Operating Temperature: -20 °C to +65 °C

Advantages

• 100% compatible with Bosch fire panel

• Reliable long-distance communication thanks to LSN improved technology

• Monitor multiple devices using two independent inputs

• IP54 protection rating for demanding environments

Applications

• Shopping centres, hotels, hospitals and office projects

• Industrial facilities

• Transport infrastructure

• Public buildings and residential projects