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    DC Breaker

    DC Breaker

    This new type of solid-state DC Breaker is designed and manufactured by Astrol Electronic in Switzerland. It provides all important protection functions and is able to isolate short-circuit events in microseconds. As a fully independent component, it provides revolutionary possibilities to system integrators.

    Comparison Mechanical–Solid State Switch

    Item

    Mechanical Switch

    Solid State Switch

    Switch Total Loss

    Low

    High

    Switch Time

    Slow(>3-20ms)

    Fast(<20us)

    Mechanical Size

    Small

    Medium

    The power loss over a DC-Breaker can be several kilowatts. Therefore in most of this system a water cooling is recommended. In cases where water cooling is not possible air cooling can be done. In the case of air cooling the size of the switch is much bigger.

     

    Application Fields:

    Apart from the shipping industry, the product can also be used in renewable energy connection, battery storage applications and DC or combined DC and AC microgrids.

     

    DC breaker Series


    500A

    1kA

    2kA

    3kA

    4kA

    5kA

    1kV

    3kV

    6kV

    n/a

    n/a

    n/a

    n/a

    √: Product available n/a: not available

     

    FEATURES

    • DC-Voltage Capability up to 1500V for 1kV Version

    • Current rating 0 – 5kA (depending on model)

    • Switch-off current up to 20kA (depending on model)

    • Very short off time in μs range

    • Totally isolated to the main grid

    • Can be used in high or low side power switching

    • Bidirectional current flow

    • Liquid cooling

    • Internal self-diagnostic capability

      • Gate Drive Unit

      • Water In- and Outlet Temperature

      • Water In- and Outlet Pressure

    • Interface to overall controller

      • Optical (Glass or Plastic)

      • Modbus-TCP

      • Other protocols on request

    • DNV-GL type approval (pending)

     

    ORDERING INFORMATION

    IDENT NUMBER

    DESCRIPTION


    AA-10411-101

    DC-Breaker

    0.5kA

    1kV

    AA-10411-102

    DC-Breaker

    1kA

    1kV

    AA-10411-103

    DC-Breaker

    2kA

    1kV

    AA-10411-104

    DC-Breaker

    3kA

    1kV

    AA-10411-105

    DC-Breaker

    3.5kA

    1kV

    AA-10411-106

    DC-Breaker

    4kA

    1kV

    AA-10411-107

    DC-Breaker

    4.5kA

    1kV

    AA-10411-108

    DC-Breaker

    5kA

    1kV


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