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JBTH1-125 Switch-Disconnector


JBTH1-125 series disconnectors are applicable to the distribution and control current with AC 50Hz, rated current of 125A and below and rated voltage of 400V. They are mainly used as the main switch in terminal combination appliances. They can also be used to control all kinds of low-power appliances and lighting infrequently. They are widely used in industrial and mining enterprises, high-rise buildings, businesses, families and other places.


Applicable environment

· Temperature: 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: 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, users should take special measures

· Pollution level: Level 2

· Protection grade: IP20

· Installation category: class II (load level), class III (power distribution and control level)

· Installation method: adopt standard TH35mmx7.5mm guide rail installation

· Installation direction: product vertical installation

· Environmental protection requirements: the product complies with hors standard

· Terminal wiring area: 1-50mm2 conductor


Applicable Standard




Model Explanation

Product Categories

According to the rated current:32A、40A、50A、 63A、100A、125A;

According to the product pole number, there are:1P、2P、 3P、4P;