Circular connectors for servomotors and power supply

POWERLOCK BOX 400A version for 19 Zoll slot

Can be locked to prevent unauthorised disconnection

Wide clamping range Optimum strain relief Robust Reliability Waterproof

CE VDE VDE audited

Article number Article description Fastening type Pin configuration Pieces / PU Base Unit Price (base price)
POWERLOCK BOX, panel-mount base with contacts (M12 threaded posts)
Type A1, drain
POWERLOCK BOX A1 S Ø 6.5 mm (4x) 4+PE 1
Type A1, drain, with cover
POWERLOCK BOX A1 SD Ø 6.5 mm (4x) 4+PE 1
Type A6, source
POWERLOCK BOX A6 S Ø 6.5 mm (4x) 4+PE 1
Type A6, source, with cover
POWERLOCK BOX A6 SD Ø 6.5 mm (4x) 4+PE 1
Available from stock
Available soon
Not available


  • Guarantees the correct sequence is followed when connecting and disconnecting a set of connectors (PE, N, L1, L2, L3)
  • Every colour has a different coding to prevent incorrect plugging
  • IP 20 finger-protected
  • Integrated micro-switch that can be connected to circuit breaker or alarm circuit

Application range

  • Alternative energy installations
  • For mobile and stationary power distribution
  • For the connection of motors, transformers and generators
  • Light & sound technology

Product features

  • Included: Contacts with M12 threaded post
  • Cable connector for microswitch optional
  • 19" housing with height unit 2HE/2U


  • Sealed security lid is optional

Classification ETIM 5

  • ETIM 5.0 Class-ID: EC002635
  • ETIM 5.0 Class-Description: Circular connector (industrial connector)

Classification ETIM 6

  • ETIM 6.0 Class-ID: EC002635
  • ETIM 6.0 Class-Description: Circular connector (industrial connector)

Rated voltage (V)

  • 1000 V

Rated current (A)

  • Screw max. 400 A

Pollution degree

  • 3


  • Screw termination: silver-plated brass

Number of contacts

  • 4 + PE

Termination methods

  • Screw termination: 50 - 120 mm²

Protection rating

  • IP 65 (latched)

Cycle of mechanical operation

  • 500

Temperature range

  • -20 °C ... +85 °C

  • * Trade product, no Lapp product
  • Photographs and graphics are not to scale and do not represent detailed images of the respective products.
  • Prices are net prices without VAT and surcharges. Sale to business customers only.