The Courbi single switch box (Φ70×40 mm) is designed for recessed installation in masonry walls, accepting a single-gang switch or socket frame. Multiple boxes can be linked to create combined switch and socket configurations within a shared single-frame panel.

Made from a special polymer, the box is non-corrosive, impact and pressure resistant, and flame-retardant. It is rated IP20 and tested to IEC 60670-1/2002 with a 650 °C glow-wire test, suitable for indoor residential and industrial facilities.

Key Features

• Single-gang format: Φ70×40 mm for one switch or socket position
• Designed for recessed installation in masonry walls
• Linking capability for multiple box configurations within a single-frame panel
• Compatible with all conduit types: Spiral COMBO, DOMO, FORTE, COMBO Rigid L/T
• Colour: Black

Product Benefits

• Masonry-flush installation produces a clean, professional finish behind switch plates
• Linking option allows expansion to multi-gang layouts using a single frame
• Non-corrosive polymer maintains structural integrity in lime or cement plaster environments
• Impact and pressure resistance protects the box during plaster application and settling
• Broad conduit compatibility reduces the need to stock multiple box types on site

Technical Specifications

• Dimensions: Φ70×40 mm
• Protection Rating: IP20
• Material: Special polymer
• Installation Type: Recessed (masonry)
• Standard: IEC 60670-1/2002
• Glow Wire Test: 650 °C
• Min. Temperature: -15 °C
• Max. Temperature: +60 °C
• Colour: Black

Why You'll Love It

• Standard Φ70 mm diameter fits the most common masonry core-drill size for switch boxes
• Linking posts enable flexible multi-gang layouts without buying a larger box
• Flame-retardant body limits fire risk in enclosed wall chases
• Package includes 1× Courbi Internal Single Switch Box or Frame Φ70×40 mm Black