Since the total electric circuit length of upstream circuit breaker side is longer than that of downstream circuit break

Operating characteristics described in our catalog (if there is no "Note" particularly) mean operating time when it star

(1) When "N" is marked on the breaker,connect the N phase wire as marked. (2) When "N" is not marked on the breaker,

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

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

It is a circuit breaker which has higher instantaneous tripping current value in order to prevent unwanted tripping by m

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

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

The time between application of voltage to the closing coil (CC) and closing of the main contact is 0.08 sec or less.

FAQ

FAQAbout Products

Font Size
S
M
L

FAQ > Low-voltage Power Distribution Products > Low-voltage Circuit Breakers

FAQ

Inquiries

Keyword Search

You can search two or more words separated by a space.

 AND : Put a space between the words in a keyphrase.
 OR  : Add a vertical bar ( | ) between the words in a keyphrase.
 NOT : Add a minus sign ( - ) followed by the words that you would like to exclude.

Result Type

Text Search

Low-voltage Circuit Breakers

Miniature Circuit Breakers(2)

FAQ within [ Low-voltage Circuit Breakers ]

81-90 of Total 123

prev 9 / 13page next

Earth leakage protective coordination

Since the total electric circuit length of upstream circuit breaker side is longer than that of downstream circuit breaker, constant earth leakage current b... More Details >>
- No：22369
- Release Date：2018/08/31 14:33
- Category： Earth Leakage Circuit Breakers
replace AE-SS with AE-SW

(1) and (2) are impossible. More Details >>
- No：24818
- Release Date：2019/04/09 15:03
- Category： Air Circuit Breakers
Hot start characteristics

Operating characteristics described in our catalog (if there is no "Note" particularly) mean operating time when it starts to carry current from the conditio... More Details >>
- No：22374
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
How to connect to 2-pole breaker

(1) When "N" is marked on the breaker,connect the N phase wire as marked. (2) When "N" is not marked on the breaker, N phase wire can be connected to eith... More Details >>
- No：37700
- Release Date：2020/01/17 08:58
- Category： Molded Case 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
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
High inst MCCB for transformer primary side

It is a circuit breaker which has higher instantaneous tripping current value in order to prevent unwanted tripping by magnetizing inrush current of a transf... More Details >>
- No：22358
- Release Date：2018/08/31 14:33
- Category： Circuit Breakers for Use in Particular Applications
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
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
ACB closing time

The time between application of voltage to the closing coil (CC) and closing of the main contact is 0.08 sec or less. More Details >>
- No：22440
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers

81-90 of Total 123

Inquiries

page top