Merten System M Rocker, Black Matte, with Indicator Window MEG3320-0403

In a modern residential or commercial building, the Merten System M rocker in black matte with an indicator window provides a sleek control surface for lighting and other electrical functions. It clips onto compatible Merten System M inserts, allowing quick installation without tools. The rocker is made of halogen-free, UV-resistant thermoplastic and is intended for indoor use, where its jet black matte finish complements contemporary switch ranges.

Key specifications

• Product type: Rocker
• Series: Merten System M
• Colour: Black
• Finish: Matte
• Material: Thermoplastic (PC)
• Halogen-free: Yes
• UV-resistant: Yes
• With indicator window: Yes
• Suitable for: Switches, push-buttons, series switches, intermediate switches
• Mounting type: Clip-on
• Number of rockers: 1
• Protection class: IP20
• RAL colour (approx.): RAL 9005 (Jet Black)
• Surface protection: Untreated
• Application environment: Indoor
• Compatibility: Merten System M inserts

Why choose it

The rocker’s matte black surface resists fingerprints and complements modern interiors, while the indicator window allows a clear view of switch status. Its clip-on design simplifies retrofitting or upgrading existing installations without rewiring. The halogen-free and UV-resistant material ensures long-term colour stability and safety in indoor environments.

Ideal use cases

• Replacing worn or discoloured rockers in Merten System M installations
• Upgrading to a black matte aesthetic in residential or office spaces
• Use with switches, push-buttons, series switches, or intermediate switches

Good to know

The rocker is designed for indoor use only and has an IP20 protection rating, meaning it is not suitable for damp or dusty environments. It is compatible with all Merten System M inserts, ensuring a consistent look across a room or building.