Bosch FLM-420-CON-S Conventional Interface Module

Bosch FLM-420-CON S Connection Module – Reliable LSN Connection to Bosch Fire Panels

What Is Bosch FLM-420-CON S?

Bosch FLM-420-CON S is a connection module that enables reliable connection of field devices in Bosch fire panel systems using LSN improved technology. This module facilitates the transmission of data and power between detectors, modules and other field devices in fire detection systems. Its compact design and easy installation make it particularly suitable for system extensions and maintenance work.

Designed for Compatibility with Bosch Fire Panels

Using Bosch’s LSN improved infrastructure, FLM-420-CON S transmits both data and power over a single line, eliminating cabling complexity. It works seamlessly with Bosch fire panels, improving system reliability and reducing commissioning time.

Technical Specifications

General Features

• Model: FLM-420-CON S

• Connection Type: LSN improved

• Function: Connects LSN field devices to a Bosch fire panel

• Mounting: Surface-mounted, compact design

• Protection Rating: IP54

Electrical Specifications

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

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

• Current Consumption: Low power consumption, powered via the line

Mechanical Specifications

• Dimensions: 90 × 90 × 40 mm

• Weight: Approx. 140 g

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

Advantages

• 100% compatible operation with Bosch fire panels

• Reliable data and power transmission using LSN improved technology

• Easy installation and compact design

• Fast integration of field devices

• IP54 enclosure, resistant to harsh environments

Applications

• Fire detection system extension projects

• Large-scale buildings and facilities

• Industrial premises

• Transport and infrastructure projects

• Public- and private-sector buildings