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

Up to 5 units. To connect 6 or more units, use Vo extended terminals (M-N) of a relay connected from MPD-3 type. From th

Input from the primary side by combining with a peripheral device (ZCT). In Standard JIS C 4601, performance warranty is

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 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

The contact recovers automatically.

FAQ

FAQAbout Products

Font Size
S
M
L

FAQ > Medium-voltage Power Distribution Products > Protection Relays

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

Protection Relays

Protection Relays - MELPRO-A Series(72)

MOC(13)
MGR(5)
MDG(8)
MUV(6)
COMMON(4)

FAQ within [ Protection Relays ]

31-36 of Total 36

prev 4 / 4page next

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
- Category： Protection Relays - MELPRO-A Series , MOC
Combination transformer

Up to 5 units. To connect 6 or more units, use Vo extended terminals (M-N) of a relay connected from MPD-3 type. From this Vo extended terminals, additional ... More Details >>
- No：23725
- Release Date：2018/09/19 17:16
- Category： Protection Relays - MELPRO-A Series , MDG
Test method

Input from the primary side by combining with a peripheral device (ZCT). In Standard JIS C 4601, performance warranty is covered for combination of periphera... More Details >>
- No：23728
- Release Date：2018/09/19 17:16
- Category： Protection Relays - MELPRO-A Series , MGR
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
- Category： Protection Relays - MELPRO-A Series , MOC
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
- Category： Protection Relays - MELPRO-A Series , MOC
About contact

The contact recovers automatically. More Details >>
- No：23736
- Release Date：2018/09/19 17:16
- Category： Protection Relays - MELPRO-A Series , MUV

31-36 of Total 36

Inquiries

page top