Bosch FLM-420-O1I1 Input/Output Module

Bosch FLM-420-O1I1 Input/Output Module – Flexible Control and Monitoring with a Bosch Fire Panel

What Is the Bosch FLM-420-O1I1 Module?

The Bosch FLM-420-O1I1 is a reliable, addressable module that provides both input and output functions in one device for fire detection systems. It is designed to control external equipment via a Bosch fire panel and monitor status information received from that equipment.

Seamless Compatibility with Bosch Fire Panels

The FLM-420-O1I1 module features Bosch’s advanced LSN improved technology. This enables power and data transmission over a single cable line, reducing cabling costs and installation time. It operates in full compatibility with Bosch fire panels, enhancing system reliability.

Technical Specifications

General Features

• Model: FLM-420-O1I1

• Connection Type: LSN improved (Local Security Network)

• Function: 1 programmable outputs + 1 monitoring inputs

• Application: Control of external devices and status monitoring via a Bosch fire panel

• Mounting Type: 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 (inputs/outputs inactive)

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

• Output Type: Relay or open-collector output

Mechanical Specifications

• Dimensions: 90 × 90 × 40 mm

• Weight: Approx. 160 g

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

Advantages

• Input and output functions in a single module

• Fully compatible with Bosch fire panels

• Reliable long-distance communication with LSN improved

• Control of external sirens, fans, door locks and other devices

• Resistant to harsh conditions with an IP54 protection rating

Applications

• Shopping centres, hotels, hospitals and office projects

• Industrial facilities

• Transport and infrastructure projects

• Public buildings and residential projects