No, you must not use 2-pole circuit breaker as 1-pole circuit breaker (series connection as only single phase ). If usin

Earth Leakage Circuit Breaker and Earth Leakage Relay operate at higher than 50% but not exceeding 100% of the rated res

It is a current that does not leak-trip even if there is ground fault current or leakage current. In the standard, it is

Please select rated current sensitivity ,according to the protection purpose and the protective grounding resistance val

Type AC: Operates with AC Type A: Operates not only with AC but also with pulsating current <Reference> TYPE B:

MCB can be used at 85% or less relative humidity and no condensation.

First, turn OFF the upstream circuit breaker and the relevant circuit breaker. You must not work in the state where volt

It means a space between the edge of a exhaust port and panel component ( such as wall or duct) of a circuit breaker. Th

F-2SV is standard, F-2SVE is for emergency use. The difference is the color of the handle and its surroundings parts.

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Low-voltage Circuit Breakers

Miniature Circuit Breakers(2)

FAQ within [ Low-voltage Circuit Breakers ]

71-80 of Total 123

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2P MCCB only 1-pole use

No, you must not use 2-pole circuit breaker as 1-pole circuit breaker (series connection as only single phase ). If using it as 1-pole circuit breaker, these... More Details >>
- No：22382
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
Rated current sensitivity

Earth Leakage Circuit Breaker and Earth Leakage Relay operate at higher than 50% but not exceeding 100% of the rated residual operating current IΔn. The eart... More Details >>
- No：22364
- Release Date：2018/08/31 14:33
- Category： Earth Leakage Circuit Breakers
Residual non-operating current

It is a current that does not leak-trip even if there is ground fault current or leakage current. In the standard, it is 50 % of the rated residual operating... More Details >>
- No：22356
- Release Date：2018/08/31 14:33
- Category： Earth Leakage Circuit Breakers
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
Leakage characteristics

Type AC: Operates with AC Type A: Operates not only with AC but also with pulsating current <Reference> TYPE B: Operates with DC More Details >>
- No：38026
- Release Date：2021/01/22 17:36
- Category： Miniature Circuit Breakers
MCB relative humidity

MCB can be used at 85% or less relative humidity and no condensation. More Details >>
- No：24822
- Release Date：2019/04/09 15:11
- Category： Miniature Circuit Breakers
Rear stud (B-ST) installed

B-ST is possible. More Details >>
- No：24814
- Release Date：2019/04/09 15:17
- Category： Molded Case Circuit Breakers
Electronic MCCB 400-1600A How to change rated current and characteristic curve (Except CE breakers)

First, turn OFF the upstream circuit breaker and the relevant circuit breaker. You must not work in the state where voltage is applied to the relevant circui... More Details >>
- No：22439
- Release Date：2018/08/31 14:33
- Update：2018/08/31 14:35
- Category： Molded Case Circuit Breakers
Arc space

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
Type name of the operating handle

F-2SV is standard, F-2SVE is for emergency use. The difference is the color of the handle and its surroundings parts. More Details >>
- No：38028
- Release Date：2021/01/22 17:37
- Category： Accessories and Related Components

71-80 of Total 123

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