Hager LMN Bus Module with 4 RJ12 Ports, Active Power Supply, DIN Rail Mount, 2 TE Width ZZ12LMN04A

Installers and system integrators working with Hager LMN building automation systems can use this active power supply module to provide a stable 24 V DC bus voltage for connected devices. The module features four RJ12 ports for distributing the LMN bus to sensors, actuators, and controllers, and it mounts on a standard DIN rail with a compact 2 TE width.

Key specifications

• Product type: LMN bus module, active power supply
• Number of ports: 4 × RJ12
• Bus system: Hager LMN
• Input voltage: 230 V AC, 50/60 Hz
• Output voltage: 24 V DC
• Max output current: 400 mA
• Power consumption: 3.5 W
• Mounting: DIN rail, width 2 TE
• Connection terminals: screw terminals for power input
• Status indicator: LED
• Installation depth: 65 mm
• Housing material: plastic
• Operating temperature: -5 to +45 °C
• Storage temperature: -25 to +70 °C

Why choose it

This module combines power supply and bus distribution in a single DIN rail unit, saving space in distribution boards. The active power supply ensures a stable 24 V DC for reliable communication on the LMN bus, and the four RJ12 ports allow easy connection of multiple devices without additional wiring.

Ideal use cases

• Powering and connecting Hager LMN bus devices in residential and commercial building automation
• Distribution board installations where space is limited
• Retrofitting existing LMN systems with an additional power supply and bus expansion

Good to know

The module is designed for DIN rail mounting and has a width of 2 TE (36 mm). It operates on standard 230 V AC mains and provides a regulated 24 V DC output for the LMN bus. The LED indicates the operating status. Screw terminals are used for the power input connection.