This relay uses the input voltage at the VT secondary side (P1-P2) as the relay control power source. When a rated volta

It operates with a settled operation time.

A momentary power interruption is not detectable.

The contact recovers automatically.

This relay has a capacitor to operate in case of the lost power or at the maximum settling of an operation time. Because

Because when an undervoltage is detected, b contact will be closed, if power supply (P1-P2) is lost, the contact is reta

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

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FAQ within [ MUV ]

1-6 of Total 6

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Movement of contact

This relay uses the input voltage at the VT secondary side (P1-P2) as the relay control power source. When a rated voltage is input, b contact side of the co... More Details >>
- No：23733
- Release Date：2018/09/19 17:16
Operating time of undervoltage detection

It operates with a settled operation time. More Details >>
- No：23731
- Release Date：2018/09/19 17:16
Detection of undervoltage

A momentary power interruption is not detectable. More Details >>
- No：23732
- Release Date：2018/09/19 17:16
About contact

The contact recovers automatically. More Details >>
- No：23736
- Release Date：2018/09/19 17:16
Contact recovery delay after applying voltage

This relay has a capacitor to operate in case of the lost power or at the maximum settling of an operation time. Because this capacitor needs a time to be ch... More Details >>
- No：23734
- Release Date：2018/09/19 17:16
About contact

Because when an undervoltage is detected, b contact will be closed, if power supply (P1-P2) is lost, the contact is retained. More Details >>
- No：23735
- Release Date：2018/09/19 17:16
- Update：2018/09/20 14:58

1-6 of Total 6

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