Spelsberg Junction Box Enclosure - 334-412

This Spelsberg junction box enclosure is designed for efficient cable management and protection. I...

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OnBuy.comSpelsberg - Grey Ip20 Polypropylene 12 Entry Junction Box Enclosure With Terminal Blocks - 85X85x37mm 3561154142338
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B&QB&Q - SpelsbergGrey Ip20 Polypropylene 12 Entry Junction Box Enclosure With Terminal Blocks85X85X37mm
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Product Information

Full details

The Spelsberg Junction Box Enclosure (334-412) is designed for electrical contractors and DIY enthusiasts who require a reliable, compact solution for organizing and protecting wire connections. Its key benefit is the inclusion of 12 integrated strain-relief entry points and 5 screw terminals, which streamline installation and ensure secure cable management. However, potential users should note that the unit carries an IP20 rating, meaning it is intended for indoor, dry environments and is not waterproof or suitable for outdoor exposure.

All features

Model Part Number334-412
BrandSpelsberg

Extended Product Information

FAQs

Can I use this junction box outdoors?

No, this unit has an IP20 rating and is designed for indoor, dry use only.

What is the maximum wire size supported?

The integrated terminals are designed for 2.5mm² conductors.

Does this box come with mounting screws?

The box includes external fixing positions, but mounting screws are typically provided by the installer based on the surface material.

What are the dimensions of the box?

The unit measures 85mm x 85mm x 37mm.

Is this product VDE certified?

Yes, it meets DIN EN 60670 (VDE 0606) standards.

How many cables can enter the box?

The enclosure features 12 integrated entry points for flexible cable management.

Troubleshooting

Wire slips out of the terminal

Ensure the conductor is stripped to the proper length and the terminal screw is fully tightened against the metal core of the wire.

Enclosure lid does not snap shut securely

Check that no wires are protruding or obstructing the perimeter edges of the box, as these can prevent the lid from seating correctly.

Mounting is unstable

Ensure all external fixing points are utilized and the screws used are appropriate for the substrate (wood, drywall, or masonry).

Pros and Cons

Pros

  • Integrated strain relief protects wire connections
  • Compact 85x85x37mm form factor fits tight spaces
  • Includes essential 2.5mm² screw terminals for immediate use
  • External mounting holes allow for easy surface installation
  • Complies with DIN EN 60670 industry safety standards

Cons

  • IP20 rating offers no protection against water or moisture
  • Not suitable for outdoor or high-humidity environments
  • Restricted to 2.5mm² wiring capacity

Setup, Compatibility & Care

To install, select a flat, dry surface where the enclosure will not be exposed to moisture or extreme heat. Use the external fixing lugs to screw the base into your mounting surface. Ensure that cables are stripped to the appropriate length before inserting them into the screw terminals. Tighten terminals securely to prevent heating, but avoid over-tightening as this may strip the screw threads. Since the unit is rated IP20, periodically dust the interior if it is placed in an area that is not completely sealed. Avoid using liquid cleaners inside the box; if cleaning is necessary, ensure all power is disconnected and use a dry, soft brush or cloth.

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