Corning 50-510-11000 VKK 1 Junction Box, 5-Pole, Grey, IP65, 7x M20 Entries DE620004338

Electricians and panel builders use the Corning VKK 1 junction box to connect and distribute circuits in damp or dusty environments. Its 5-pole terminal block accepts conductors from 0.5 to 2.5 mm², and seven elastic M20 entries allow flexible cable routing. The snap-on lid and polypropylene housing make installation quick and secure.

Key specifications

• Enclosure type: Junction box / distribution box
• Material: Polypropylene (PP), seal in thermoplastic elastomer (TPE)
• Colour: Grey (RAL 7035)
• Protection class: IP65
• Impact resistance: IK07
• Rated insulation voltage: 690 V
• Rated current: 20 A
• Number of poles: 5
• Terminal cross section: 2 x 0.5 - 2.5 mm² per pole
• Cable entries: 7 elastic entries, size M20
• Mounting type: Surface-mounted
• Lid type: Snap-on
• Operating temperature range: -25 °C to +40 °C
• Halogen-free: Yes
• Glow wire test: 750 °C
• Standard: DIN EN 60670-22

Why choose it

The VKK 1 combines a robust IP65-rated enclosure with a practical 5-pole terminal block, making it suitable for both indoor and outdoor installations. Its halogen-free polypropylene body meets strict fire safety requirements, and the elastic cable entries provide strain relief while maintaining the seal.

Ideal use cases

• Distribution of lighting and power circuits in industrial buildings
• Connection of sensors and actuators in outdoor installations
• Junction point in cable trays or conduits
• Retrofit projects requiring a compact, surface-mounted box

Good to know

The box is designed for surface mounting and can be opened quickly thanks to the snap-on lid. Its grey RAL 7035 finish blends with standard electrical enclosures.