AC Breakers used at DC circuit
It is not possible to use a circuit breaker for AC in DC circuit. Since the Arc-Extinguishing Device structure of circuit breaker for DC is different from th... More Details >>
The control power supply of the earth leakage detection circuit is taken from the inside of Earth Leakage Circuit Breaker. If used on the secondary side of t... More Details >>
It is a method which breaks short circuit current with both upstream and downstream circuit breakers. For example, in the case that short circuit current at ... More Details >>
The range of ambient temperature is from -10 to 40 degree Celsius for not only MCCB but also including Earth Leakage Circuit breaker, Earth Leakage Relay and... More Details >>
The push button is used for testing whether it definitely trips when an earth leakage current occurs. At this test, a Leakage Display button will be come out... More Details >>
A circuit breaker must have interrupting ratings. These are classified as rated short-circuit breaking capacities in IEC 60947-2.e rated ultimate short-circu... More Details >>
Setting change operation while power ...
It is forbidden to change the characteristic when the breaker ON. Over current trip and earth leakage trip characteristics should be changed by a person with... More Details >>
About Low-voltage Power Distribution ...
You need to connect the two terminal of No.15, 16 or 18 terminal to theload side of the contactor. (The remaining terminal is unnecessary toconnect.) More Details >>
About Low-voltage Power Distribution ...
The fault detection contact of the cooling fan detects the temperature ofthe fin in the solid state contactor and operates when exceeding thespecified value.... More Details >>
About Low-voltage Power Distribution ...
At ambient temperature 40℃, the rated voltage (frequency) is applied tothe control coil, and after temperature rise and saturation, it can operatewithout any... More Details >>
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