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

It is possible to apply for single-phase circuit. However, it may be lesseffect in single-phase circuit (100 V, etc) sin

1. The internal resistance (per pole) is described in the catalog and technical notes. 2. Power consumption (W) = RI^2 x

Pressing the buttons of the “Set” for 2 seconds or more shifts the mode to the “Setting Value Confirmation Mode”. It i

It is an instantaneous tripping circuit breaker which does not have overcurrent tripping characteristic for standard cir

Drawout type circuit breaker can be drawn-out and insert to the cradle without taking out the connecting conductor. As A

Set the handle holder to the right side of the drawout frame with the included screw and nut, and store the drawout hand

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

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

Standard product of US-N* type has a terminal cover. Moreover, UA-DR1/UA-SH1 driving-unit has a terminal cover as option

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Low-voltage Power Distribution Products

Low-voltage Circuit Breakers(124)

Air Circuit Breakers(23)
Molded Case Circuit Breakers(49)
Earth Leakage Circuit Breakers(21)
Circuit Breakers for Equipment(2)
Circuit Breakers for Use in Particular Applications(6)
Accessories and Related Components(21)
Miniature Circuit Breakers(2)
Contactors and Motor Starters(142)

Motor Starters(142)

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Electrical Indicators(57)

FAQ within [ Low-voltage Power Distribution Products ]

241-250 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
About Low-voltage Power Distribution Products

It is possible to apply for single-phase circuit. However, it may be lesseffect in single-phase circuit (100 V, etc) since low voltage circuit is tendedto be... More Details >>
- No：23297
- Release Date：2018/09/12 15:11
- Category： Motor Starters
Calorific value of the circuit breaker

1. The internal resistance (per pole) is described in the catalog and technical notes. 2. Power consumption (W) = RI^2 x Poles = Resistance (Ω) x Load curre... More Details >>
- No：38025
- Release Date：2021/01/22 17:39
- Category： Molded Case Circuit Breakers
Checking the set values (ME96SS series).

Pressing the buttons of the “Set” for 2 seconds or more shifts the mode to the “Setting Value Confirmation Mode”. It is impossible to change the set values... More Details >>
- No：22165
- Release Date：2018/08/27 16:41
- Category： Electrical Indicators
MCCB Inst only

It is an instantaneous tripping circuit breaker which does not have overcurrent tripping characteristic for standard circuit breaker and only protects agains... More Details >>
- No：22383
- Release Date：2018/08/31 14:33
- Category： Circuit Breakers for Use in Particular Applications
ACB　drawout position

Drawout type circuit breaker can be drawn-out and insert to the cradle without taking out the connecting conductor. As ACB is drawn out, it will be "connect ... More Details >>
- No：22431
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers
ACB How to store drawout handle

Set the handle holder to the right side of the drawout frame with the included screw and nut, and store the drawout handle. However, the circuit breaker with... More Details >>
- No：22437
- Release Date：2018/08/31 14:33
- Category： Air 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
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

Standard product of US-N* type has a terminal cover. Moreover, UA-DR1/UA-SH1 driving-unit has a terminal cover as option. More Details >>
- No：23352
- Release Date：2018/09/12 15:12
- Category： Motor Starters

241-250 of Total 322

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