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Square 304 stainless steel wall-mount junction box with hinged door and lock

WUQ

WUQ SP-B3 303020 304 Stainless Steel IP66 Electrical Box 300x300x200mm

SKU CH-V747-1KPSA MPN SP-B3

Wall-mount junction box made from 1.5 mm 304 stainless steel with IP66 and NEMA 4X ratings, includes detachable galvanized back plate

  • TypeJunction Box
  • IP66 and NEMA 4X rating protects against dust and water ingress
  • 304 stainless steel construction resists corrosion in harsh environments
  • Detachable galvanized back plate simplifies component installation
  • Wall-mount design with four rear holes enables secure fixing
  • 300 × 300 × 200 mm dimensions provide ample internal space

IP66 304 Stainless Junction Box

The WUQ SP-B3 303020 is a wall-mount electrical enclosure built from 1.5 mm 304 stainless steel. It carries IP66 and NEMA 4X ratings for dust and water ingress protection. The box measures 300 x 300 x 200 mm and includes a detachable 2 mm galvanised back plate. It suits installers needing a corrosion-resistant housing for outdoor or wash-down environments.

Sustained Environmental Protection

The welded 304 stainless body and sealing strip maintain IP66 integrity during continuous exposure to rain, hose-directed water and airborne particulates. The reinforced hinge and lock core keep the door aligned and secured under vibration or thermal cycling. The galvanised mounting plate resists corrosion while supporting installed components over long service periods.

Pre-Installation Checks

Verify the 300 x 300 mm footprint fits the intended mounting surface and that the 200 mm depth accommodates your component layout with wiring bend radius. Confirm the four rear mounting holes align with your structural fixing points. Ensure the 6.3 kg weight is supported by the wall material and that the 304 grade meets the site's chemical exposure requirements.

Highlights

  • IP66 and NEMA 4X rating protects against dust and water ingress
  • 304 stainless steel construction resists corrosion in harsh environments
  • Detachable galvanized back plate simplifies component installation
  • Wall-mount design with four rear holes enables secure fixing
  • 300 × 300 × 200 mm dimensions provide ample internal space

Specifications

TypeJunction Box

Questions about this item

Does the 304 stainless steel enclosure dissipate heat passively during continuous operation?

The 1.5 mm 304 stainless steel body acts as a passive heat sink; with no internal fans or vents, thermal performance depends on the wall-mount surface and ambient airflow around the 300 x 300 x 200 mm cabinet.

What mounting hardware must I already have to secure the box to a wall?

Four pre-drilled holes on the rear flange accept user-supplied lag bolts or anchors; the 2 mm galvanised back plate is included and detaches for component wiring before final installation.

Can I reuse standard PG or metric cable glands with the IP66 seal on this junction box?

The enclosure ships without gland plates or knockouts, so you drill your own entries and fit any PG or metric glands that match the 1.5 mm wall thickness to maintain the IP66 rating.

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