Knightsbridge GSK335 3G 35mm Triple Galvanised Steel Box (5 Pack)

The Knightsbridge GSK335 3G 35mm Triple Galvanised Steel Box is a heavy-duty metal back box designed for mounting three standard 1-gang wiring accessories side by side. Manufactured from durable 1mm galvanised steel, it provides exceptional strength, corrosion resistance and long-lasting performance, making it ideal for domestic, commercial and industrial electrical installations.

With a 35mm depth, this triple metal back box offers generous space for wiring and electrical accessories. It features six fixed mounting lugs for secure installation, integrated earth terminals for enhanced safety, and multiple 20mm knockouts for flexible cable entry. Manufactured to EN 60670, it is supplied in shrink-wrapped Knightsbridge trays, making it a practical choice for professional electricians and contractors.

Key Features

• Pack of 5 triple galvanised steel back boxes.
• Designed to mount three standard 1-gang wiring accessories side by side.
• 35mm depth provides ample space for wiring and deeper accessories.
• Manufactured from durable 1mm galvanised steel (±1% tolerance).
• Six fixed mounting lugs ensure secure accessory installation.
• Integrated earth terminals for safe electrical installations.
• 20mm knockouts for convenient and flexible cable entry.
• Manufactured in accordance with EN 60670.
• Supplied bulk packed in shrink-wrapped Knightsbridge trays.

Important Information

• Suitable for use with standard 86 × 86mm 1-gang faceplates only.
• Note: This product is supplied as part of a multipack and individual boxes are not separately barcoded.

Specifications

• Brand: Knightsbridge
• Model: GSK335
• Product Type: Triple Galvanised Steel Back Box
• Configuration: 3 Gang
• Depth: 35mm
• Material: Galvanised Steel
• Steel Thickness: 1mm (±1% tolerance)
• Mounting Lugs: 6 Fixed
• Earth Terminals: Yes
• Knockouts: 20mm
• Compatible Accessories: Standard 86 × 86mm 1 Gang Plates
• Standard: EN 60670
• Pack Quantity: 5

Data Sheet

Download the Knightsbridge GSK335 Data Sheet