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

It is the number that can be opened/closed per hour under the conditions specified in the standard.

Each setting knob of the overcurrent trip characteristic is set to the maximum value and then shipped if not specified.

When it is connected as special connection, AC/DC compatible circuit breaker can be used with DC 250V or more (3-pole ty

It is utilization category specified in IEC 60947-4-1. AC-3 category is usedfor starting a motor or stopping during oper

It is also called jogging and it means frequently opening and closing thestarting currents such as small movement of a m

Since it is necessary to energize the pole containing a heater element of athermal load relay, you need to connect it to

It is a current that can be energized for 8 hours without opening/closingthe magnetic contactor and in the state that th

For US-N/K/H type, since current is opened/closed by semiconductorelement, there is no lifetime related to operating cyc

For other coil designation, it can be calculated as below.1. For S-T* and S-N* type (AC operation type)(1) Input (Instan

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Low-voltage Power Distribution Products

Low-voltage Circuit Breakers(124)

Air Circuit Breakers(23)
Molded Case Circuit Breakers(49)
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FAQ within [ Low-voltage Power Distribution Products ]

201-210 of Total 322

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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
Operating cycles

It is the number that can be opened/closed per hour under the conditions specified in the standard. More Details >>
- No：22436
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
Default setting of electronic breakers

Each setting knob of the overcurrent trip characteristic is set to the maximum value and then shipped if not specified. However, only the pre-alarm is set to... More Details >>
- No：22438
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
Max. operational voltage for AC/DC Common

When it is connected as special connection, AC/DC compatible circuit breaker can be used with DC 250V or more (3-pole type is DC400V and 4-pole type is DC500... More Details >>
- No：22445
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
About Low-voltage Power Distribution Products

It is utilization category specified in IEC 60947-4-1. AC-3 category is usedfor starting a motor or stopping during operation etc. More Details >>
- No：23241
- Release Date：2018/09/12 15:11
- Category： Motor Starters
About Low-voltage Power Distribution Products

It is also called jogging and it means frequently opening and closing thestarting currents such as small movement of a motor. More Details >>
- No：23242
- Release Date：2018/09/12 15:11
- Category： Motor Starters
About Low-voltage Power Distribution Products

Since it is necessary to energize the pole containing a heater element of athermal load relay, you need to connect it to both side of 3 poles（Between 1/L1-2/... More Details >>
- No：23249
- Release Date：2018/09/12 15:11
- Category： Motor Starters
About Low-voltage Power Distribution Products

It is a current that can be energized for 8 hours without opening/closingthe magnetic contactor and in the state that the temperature rise value ofeach part ... More Details >>
- No：23255
- Release Date：2018/09/12 15:11
- Category： Motor Starters
About Low-voltage Power Distribution Products

For US-N/K/H type, since current is opened/closed by semiconductorelement, there is no lifetime related to operating cycles, but werecommend to replace in 10... More Details >>
- No：23274
- Release Date：2018/09/12 15:11
- Category： Motor Starters
About Low-voltage Power Distribution Products

For other coil designation, it can be calculated as below.1. For S-T* and S-N* type (AC operation type)(1) Input (Instantaneous, constant) power consumption ... More Details >>
- No：23275
- Release Date：2018/09/12 15:11
- Category： Motor Starters

201-210 of Total 322

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