It operates on a root mean square value of a fundamental wave.

In steady state, it is 5.0 VA, and during operation, it is 6.0 VA.

It is possible. Connect R-phase to the terminal for R-phase of the relay, and T-phase to the terminal for T-phase of the

That is right. Standard JIS C 4602 defines it shall be 50ms or shorter when 200% of the settling value is input.

Set the display selection switch on the front upper right of the relay to “Time limit pass.” When a relay detects near t

The contact recovers automatically.

Overload tolerance of an over current relay is 200 A, 1 second. Adjust CT ratio and others not to input more than 200 A.

It means multiples of the settling value. For example, when a definite time factor operation settling value of a relay i

FAQ

FAQAbout Products

Font Size
S
M
L

FAQ > Medium-voltage Power Distribution Products > Protection Relays > Protection Relays - MELPRO-A Series > MOC

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

FAQ within [ MOC ]

1-10 of Total 13

prev 1 / 2page next

Direction of the current in the incident detection

It is possible. More Details >>
- No：23712
- Release Date：2018/09/19 17:16
Detection of current

It operates on a root mean square value of a fundamental wave. More Details >>
- No：23710
- Release Date：2018/09/19 17:16
Burden of MOC-A1 type

In steady state, it is 5.0 VA, and during operation, it is 6.0 VA. More Details >>
- No：23715
- Release Date：2018/09/19 17:16
Rated current

In CT circuit, it is 5 A. More Details >>
- No：23713
- Release Date：2018/09/19 17:16
The application of the overcurrent relay

It is possible. Connect R-phase to the terminal for R-phase of the relay, and T-phase to the terminal for T-phase of the relay. And the direction of a curren... More Details >>
- No：23709
- Release Date：2018/09/19 17:16
The operating time of the instantaneous factor operating characteristics

That is right. Standard JIS C 4602 defines it shall be 50ms or shorter when 200% of the settling value is input. More Details >>
- No：23706
- Release Date：2018/09/19 17:16
Confirmation method of the start-up value

Set the display selection switch on the front upper right of the relay to “Time limit pass.” When a relay detects near the operation value, “0” will be displ... More Details >>
- No：23716
- Release Date：2018/09/19 17:16
Return of contact

The contact recovers automatically. More Details >>
- No：23717
- Release Date：2018/09/19 17:16
Short-circuit detection

Overload tolerance of an over current relay is 200 A, 1 second. Adjust CT ratio and others not to input more than 200 A. More Details >>
- No：23711
- Release Date：2018/09/19 17:16
The viewpoint of the definite time factor characteristic graph

It means multiples of the settling value. For example, when a definite time factor operation settling value of a relay is 3 A, 1x is read as 3 A and 5x is re... More Details >>
- No：23705
- Release Date：2018/09/19 17:16

1-10 of Total 13

Inquiries

page top