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JBTG1 Load Break Disconnector


JBTG1 series disconnectors are mainly used in circuits with AC 50Hz, rated working voltage of AC400V and rated current of 3150A, which are used for infrequent connection and electrical isolation.


Applicable Environment

· The operating environment is -5°C ~ +40°C, and the average value in 24 hours shall not exceed + 35°C 

· Storage temperature: - 50°C ~ + 80°C

· If it is expected to be used when the ambient air temperature is higher than + 40°C or lower than - 5°C, the user shall explain to the manufacturer

· Altitude conditions: the altitude of the installation site shall not exceed 2000 meters

Relative humidity: the ambient air temperature is not higher than + 40°C, not lower than -5°C, and the relative humidity is not greater than 95%. Due to the occasional condensation phenomenon caused by temperature change, the user should take special measures

· Pollution level: Level 3

· Protection grade: Medium product protection grade: IP20. Protection grade of handle outside the cabinet: IP65

· Installation category: Class III (power distribution and control level), class IV (power level)

· Installation method: Vertical installation. Inclination between mounting surface and vertical surface ≤±5°. Product horizontal installation. When installed vertically, the opening and closing indication window shall not face upward

· Environmental protection requirements: the product complies with HoRs standard


Applicable Standard




Product Categories

According to working current:

JBTG1-100: 16A、20A、25A、32A、40A、50A、63A、80A、100A;






According to pole numbers: 3P、4P