"b contact" is normally closed contact, and It is also called "NC (Normally Closed) contact".

Bar terminal material for 400A is aluminum alloy, and for 630A or higher is copper.

Basically you have to consider the effect of harmonic waves, but there are two ways as below. 1. Refer to the recommende

It is a tripping zone which instantly trips, when significantly overcurrent such as short-circuit currents flow.

It is the maximum voltage which meets the performance criteria for the rated operational voltage.

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

It means that it does not interfere with tripping operation even if a handle is held at "ON" position. (It trips when an

It is necessary to use AL and AX switches that are suitable for the specification of PLC input unit. Generally AL and AX

The operating handle is an external accessory for a circuit breaker and there is no safety standard for the operating ha

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Low-voltage Circuit Breakers

Miniature Circuit Breakers(2)

FAQ within [ Low-voltage Circuit Breakers ]

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B contact of AL/AX

"b contact" is normally closed contact, and It is also called "NC (Normally Closed) contact". More Details >>
- No：22435
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
lower limit of operational voltage for DC

It is DC 24V. More Details >>
- No：24816
- Release Date：2019/04/09 15:17
- Category： Molded Case Circuit Breakers
MCCB bar terminal material

Bar terminal material for 400A is aluminum alloy, and for 630A or higher is copper. More Details >>
- No：24819
- Release Date：2019/04/09 15:13
- Category： Molded Case Circuit Breakers
How to select at Inverter circuit

Basically you have to consider the effect of harmonic waves, but there are two ways as below. 1. Refer to the recommended rated current by inverter manufactu... More Details >>
- No：22360
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
Instantaneous tripping

It is a tripping zone which instantly trips, when significantly overcurrent such as short-circuit currents flow. More Details >>
- No：22363
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
Operational voltage

It is the maximum voltage which meets the performance criteria for the rated operational voltage. More Details >>
- No：22367
- Release Date：2018/08/31 14:33
- 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
Trip free

It means that it does not interfere with tripping operation even if a handle is held at "ON" position. (It trips when an overcurrent flows even if a handle i... More Details >>
- No：22378
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
AL/AX direct connection to PLC

It is necessary to use AL and AX switches that are suitable for the specification of PLC input unit. Generally AL and AX switch for micro-load are used for i... More Details >>
- No：22398
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components
Operation handle CE marking

The operating handle is an external accessory for a circuit breaker and there is no safety standard for the operating handle itself. Therefore, there is no C... More Details >>
- No：22408
- Release Date：2018/08/31 14:33
- Category： Accessories and Related Components

41-50 of Total 123

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