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location：Intelligent Power Distribution Products > Low-voltage breakers

MHRB6
Low-voltage Miniature Circuit Breaker

Features
The MHRB6 Series Miniature Circuit Breaker is appropriate for AC 50Hz circuits with a rated voltage of 230V/400V (phase to phase) and a rated current of 80A. It ensures indirect contact protection for individuals and can also prevent fire hazards induced by grounding fault currents resulting from equipment insulation damage. Furthermore, it can provide overload and short-circuit protection for distribution lines and power facilities.
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  • Features
  • Parameter
  • Application field


  • Product features:

    1.Diverse Types and Complete Specifications

    Complete product series including micro breaking type, leakage protection type, type as isolation, auto-recovery type and others;

    With its unique arc streamline design, it exudes modern industrial beauty.

    2.Detail Design to Promises a Comfortable User Experience

    Lateral ventilation slot design facilitates rapid heat dissipation and low temperature rise, rendering it suitable for harsh conditions;

    Extra-large torque, making wiring simple and reliable.

    3.Product Performance, Leading in the Industry

    The segmentation capability is industry-leading, with a maximum segmentation capability reaching 10kA;

    It caters to the application needs of specific industries and effectively manages various short-circuit situations.


  • Serial number

    Items

    Unit

    MHRB6

    1

    Rated working voltage Ue

    V

    230/400

    2

    Setting current Ir

    A

    6、10、16、20、25、32、40、50、63、80

    3

    Number of poles

     

    1P、2P、3P、4P

    4

    Rated insulation voltage Ui

    V

    500

    5

    Rated impulse withstand voltage Uimp

    kV

    4

    6

    Rated working frequency

    Hz

    50

    7

    Rated ultimate short-circuit breaking capacity Icn

    kA

    10

    8

    Rated service short-circuit breaking capacity Ics

    kA

    10

    9

    Electrical life

    Times

    4000

    10

    Mechanical life

    Times

    20000


  • Power grids, substations, industrial zones, transportation, real estate, communications, environmental protection, municipal and technical facilities