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Workersbee 400A CCS2 Naturally Cooled DC Connector for Fast Charging

Workersbee 400A CCS2 Naturally Cooled DC Connector for Fast Charging

A 400A CCS2 vehicle connector designed for high-current DC charging. This naturally cooled model is suitable for public DC charging stations, commercial charging equipment, and other projects that need 400A-class output with a simpler cable system and lower integration complexity.

  • Model No. :

    WB-IC-DC1.1-400A

  • Rated Current :

    400A

  • Certificates & Reports :

    CB certification and TÜV Rheinland test report available
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  • Workersbee's 400A CCS2 Gen 1.1 connector is designed for charging projects that need higher current output without adding the complexity of a liquid-cooled cable system. It is a practical fit for public charging stations, commercial charging equipment, and other high-use applications that require stable performance with a simpler maintenance model.

     

    Dimension drawing of the Workersbee 400A CCS2 naturally cooled DC connector

     

    Rated at 400A and 1000V DC, this naturally cooled connector is built for stable high-current charging, with silver-plated power contacts and temperature monitoring on both DC power terminals to support dependable thermal control in daily operation.

     

    For charger manufacturers, integrators, and distributors, the 400A version is easier to integrate into different charging systems. Custom cable and sensor options help match different charger layouts, cabinet structures, and project requirements.

     

     

    Production process of the Workersbee 400A CCS2 naturally cooled DC connector

  • Category

    Item

    Specification

    Electrical

    Rated current

    400A

    Rated voltage

    1000V DC

    Withstand voltage

    3500V AC, leakage current < 5mA (between DC+/DC-/PE)

    Insulation resistance

    > 5MΩ (1000V DC)

    Terminal temperature rise

    < 50K

    Cable sheath temperature

    < 85 ℃

    Crimp resistance

    < 0.05mΩ

    Signal contacts

    CP / PP: 30V, 2A

    Mechanical

    Insertion and withdrawal force

    < 100N

    Mechanical life

    > 30,000 cycles (under no load)

    Flammability rating

    UL94 V-0

    Drop test

    1.5 m drop, 50 times, based on 2.25 m cable length

    Vehicle drive-over

    5000N +/- 250N

    Environmental

    Protection rating

    IP55 when mated

    Operating ambient temperature

    -35 ℃ to 40 ℃

    Working humidity

    5% to 95% RH, non-condensing

    Storage temperature

    -40 ℃ to 85 ℃

    Altitude

    < 4000 m

    Materials

    Head

    PA6 + glass fiber

    Housing

    PC

    Cable clamp

    Aluminum alloy

    Power / signal contacts

    Silver-plated copper alloy

    Cable

    Cable structure

    4 x 60 mm² + 1 x 6 mm² + 2 x (2 x 0.75 mm²) (P2) + 2 x (2 x 0.75 mm²)

    Cable OD

    38.5 +/- 1 mm

    Jacket material

    TPU

    Reference standard

    IEC 62893-2017

    Bend radius

    10 x cable outer diameter

    Customization

    Optional sensors

    PT1000 / NTC10K

    Adjustable items

    Cable length, stripping length, terminal model, and sensor type

  • 400A Naturally Cooled Configuration

    This connector is designed for 400A DC charging in a naturally cooled structure, making it suitable for projects that need higher current capacity without adding liquid-cooled cable complexity.

     

    1000V DC Rating for High-Power Charging Systems

    Rated at 1000V DC, the 400A version is built for high-power DC charging applications that require stable electrical performance. This makes it suitable for commercial fast-charging systems and other DC charging equipment with high daily usage.

     

    Dual Temperature Monitoring on DC Power Terminals

    Temperature sensing is integrated on both DC power terminals to support thermal management at critical contact points during high-current charging.

     

    Low-Resistance Contact Design

    Silver-plated power contacts support efficient current transfer and controlled heat rise during repeated high-current charging.

     

    Customizable for Charger-Side Integration

    The 400A version supports cable and sensor customization to better match different charger structures, harness layouts, and project integration requirements.

     

    Designed for High-Use DC Charging Environments

    With IP55 protection and a mechanical life of more than 30,000 no-load mating cycles, this connector is suitable for charging systems with frequent daily connection and disconnection.

  •  

    Is this connector compatible with all EV charging standards?
    No. It is designed for CCS2 vehicles using the IEC 62196-3 Combo 2 interface. It is not intended for CCS1, NACS, or GB/T vehicle inlets.
    Is this 400A version naturally cooled?
    Yes. This is the naturally cooled 400A version in the CCS2 Gen 1.1 series, designed for projects that need higher current without moving to a liquid-cooled cable system.
    What temperature sensor options are available?
    PT1000 and NTC10K are available as optional temperature sensor types, and the connector supports temperature monitoring on both DC power contacts.
    What parts can be customized for OEM or project integration?
    Cable length, stripping length, terminal model, and sensor type can be adjusted according to charger design, cabinet layout, and harness requirements.
    What certification documents can be provided?
    CB certification and TÜV Rheinland test report documents are available for technical review and project qualification discussions.

     

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