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FAQ within [ Low-voltage Circuit Breakers ]
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Large electromagnetic force will be generated between conductors/wires due to fault currents. To prevent deformation and breakage of circuit breakers and con... More Details >>
- No:22424
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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Almost ELCBs can be connected n reverse. Check the item column of specification table "reverse connection (below 230 V AC)" in the catalog. If it says "Possi... More Details >>
- No:22434
- Release Date:2018/08/31 14:33
- Category: Earth Leakage Circuit Breakers
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4-pole type in 100VAC or 110VAC
The rated operational voltages for them are 200 to 440VAC. If using them in 100VAC or 110VAC circuit, earth-leakage protection does not operate. More Details >>
- No:24820
- Release Date:2019/04/09 15:10
- Category: Earth Leakage Circuit Breakers
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The circuit breaker is designed to attain a predetermined value of limiting non-actuating time corresponding to a given value of residual current. Our time-d... More Details >>
- No:22351
- Release Date:2018/08/31 14:33
- Category: Earth Leakage Circuit Breakers
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It means a space between the edge of a exhaust port and panel component ( such as wall or duct) of a circuit breaker. The arc space is needed for smoothly di... More Details >>
- No:22373
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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It is possible to reverse-connect if the circuit voltage of UL789 listed products is AC240V or less. Since they are double standard products of UL/CSA and CE... More Details >>
- No:22411
- Release Date:2018/08/31 14:33
- Category: Earth Leakage Circuit Breakers
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This contact(SBC) is used to auxiliary switch(AXb) contact. When Drawout type ACB is moved from "test" position to "disconnect" position, AXb contact will b... More Details >>
- No:22416
- Release Date:2018/08/31 14:33
- Category: Air Circuit Breakers
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How to install cassette type accessories
A circuit breaker shall be Trip position when installing Cassette type accessory. The breaker may be damaged if installing in "ON" or "OFF" position. Moreove... More Details >>
- No:22422
- Release Date:2018/08/31 14:33
- Category: Molded Case Circuit Breakers
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degrees of protection to IEC60529
The degess of protection for ACB is IP20 as standard (under the condition that front door is closed). For MCCB and ELCB, the degrees of protection can be IP2... More Details >>
- No:24812
- Release Date:2019/04/09 15:18
- Category: Molded Case Circuit Breakers
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Select rated current sensitivity
Please select rated current sensitivity ,according to the protection purpose and the protective grounding resistance value of the load equipment. If you alre... More Details >>
- No:22346
- Release Date:2018/08/31 14:33
- Category: Earth Leakage Circuit Breakers
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