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Medium Voltage Junction Box MVJB is suitable for usage in grid connection and wind turbines in onshore and offshore environment.  Supporting a wide application range, it represents a branching point for all cross-sections from 25 to 800 mm2. The overall dimensions are compact and designed to take up the minimum space. Full metal encapsulation gives reliable and insured service. The MVJB provides ability to connect all TE’s Raychem screened separable connectors type RSTI, Coupling Connectors RSTI-CC and Surge Arresters RSTI-CC-SA. This gives easy accessibility to the capacitive test points for determining whether the circuit is energized and opportunity to protect equipment from over-voltages. The possibility to monitor and detect the voltage gives reliability and safeness in its function within electrical system. The MVJB is tested according to the cable accessories standard CENELEC HD 629.1 S2, which includes BS, VDE and other international specifications. With fulfilment of protection class up to IP 66 with integrated bottom plate, the MVJB is secured against water and dust ingress.

Key Features

  • Application in grid connection and wind turbines in onshore and offshore environment
  • Branching point for cross section combinations from 25 to 800 mm2
  • Full metal encapsulation
  • Easy access to the capacitive test points
  • Monitoring and detection of voltage
  • Tested according to CENELEC HD.629.1 S2:2006 +A1:2008


Please review product documents or contact us for the latest agency approval information.  

Electrical Characteristics

  • DC Withstand Voltage (kV) 76


  • Cable Connection  Compression Lug, Mechanical Lug


  • Product Availability  EMEA

  • Protection Class  IP66, No Class

  • Application  Non-Buried

  • AC Withstand Voltage (kV) 57

  • Short Circuit Current (kA/1s) 22

  • Impulse Withstand Voltage (kV) 125

  • Material  Mild Steel, Stainless Steel

  • Box Size (L x H x W) (mm) 670 x 1150 x 435

  • Weight (kg) 55

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Terms and Conditions

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This information has been provided to your free of charge for your use but remains the sole property of TE Connectivity Corporation (''TE'') or SnapEDA,  Inc. or Ultra Librarian/EMA Design Automation, Inc. (collectively, "Company"). While Company has used reasonable efforts to ensure its accuracy, Company does not guarantee that it is error-free, not makes any other representation, warranty, or guarantee that the information is completely accurate or up-to-date. In many cases, the CAD data has been simplified to remove proprietary detail while maintaining critical interface geometric detail for use by customers. Company expressly disclaims all implied warranties regarding this information, including but not limited to any implied warranties or merchantability or fitness for a particular purpose.