The applicable voltage is 440V or less. Moreover, High-speed type can be used from 85 to 484V, and Time-delay type can b

A circuit breaker shall be Trip position when installing Cassette type accessory. The breaker may be damaged if installi

It is from -25 to 55℃ in Trip or OFF position. However, it shall be in an environment without condensation and freezing

Y-2005 type field test equipment (it is sold separately) enable to check the operating characteristic easily. The test i

There are Fixed type and Drawout type.

In order to prevent breakdowns and human injuries, it is necessary to select a control device having protection structur

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

In that case, the rated current and the rated voltage shall be reduced. Refer to the table of derating factors as below.

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 ]

21-30 of Total 124

prev 3 / 13page next

ELCB applicable voltage

The applicable voltage is 440V or less. Moreover, High-speed type can be used from 85 to 484V, and Time-delay type can be used from 170 to 484V. More Details >>
- No：22421
- Release Date：2018/08/31 14:33
- Category： Earth Leakage Circuit Breakers
How to install cassette type accessories

A circuit breaker shall be Trip position when installing Cassette type accessory. The breaker may be damaged if installing in "ON" or "OFF" position. Moreove... More Details >>
- No：22422
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
Storage temperature range of MCCBs and ELCBs

It is from -25 to 55℃ in Trip or OFF position. However, it shall be in an environment without condensation and freezing even in a short time. More Details >>
- No：22426
- Release Date：2018/08/31 14:33
- Category： Molded Case Circuit Breakers
ACB How to check the operating characteristic

Y-2005 type field test equipment (it is sold separately) enable to check the operating characteristic easily. The test is conducted by connecting the test te... More Details >>
- No：22429
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers
ACB　installation type

There are Fixed type and Drawout type. More Details >>
- No：22430
- Release Date：2018/08/31 14:33
- Category： Air Circuit Breakers
Degree of protection

In order to prevent breakdowns and human injuries, it is necessary to select a control device having protection structure suitable for each purpose. The prot... More Details >>
- No：22443
- 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
MCCB, ELCB and ACB at higher altitudes

In that case, the rated current and the rated voltage shall be reduced. Refer to the table of derating factors as below. More Details >>
- No：24801
- Release Date：2019/04/09 15:17
- Category： Molded Case 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
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

21-30 of Total 124

Inquiries

page top