That is described as below. (1) By laying ZCTs for two feeders having different loads, detected by one earth fault dir

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

It operates with a settled operation time.

That is described as below. (1) By laying ZCTs for two feeders having different loads, detected by one earth fault dir

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

It is impossible. It is required to combine with MZT type ZCT dedicated for our products.

It is required that the resistance is lower than 5 ohm for a go and return length using sealed cables. The high voltage

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Protection Relays - MELPRO-A Series

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FAQ within [ Protection Relays - MELPRO-A Series ]

21-30 of Total 36

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Combination transformer

That is described as below. (1) By laying ZCTs for two feeders having different loads, detected by one earth fault directional relay. In this case, it i... More Details >>
- No：23724
- Release Date：2018/09/19 17:16
- Update：2018/09/20 14:23
- Category： Protection Relays - MELPRO-A Series , MDG
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
Operating time of undervoltage detection

It operates with a settled operation time. More Details >>
- No：23731
- Release Date：2018/09/19 17:16
- Category： Protection Relays - MELPRO-A Series , MUV
About contact

It recovers without retaining. More Details >>
- No：23723
- Release Date：2018/09/19 17:16
- Category： Protection Relays - MELPRO-A Series , MDG
Combination transformer

That is described as below. (1) By laying ZCTs for two feeders having different loads, detected by one earth fault directional relay. In this case, it i... More Details >>
- No：23726
- Release Date：2018/09/19 17:16
- Update：2018/09/20 13:26
- Category： Protection Relays - MELPRO-A Series , MGR
Direction of the current in the incident detection

It is possible. More Details >>
- No：23712
- Release Date：2018/09/19 17:16
- Category： Protection Relays - MELPRO-A Series , MOC
Return of contact

The contact recovers automatically. More Details >>
- No：23717
- Release Date：2018/09/19 17:16
- Category： Protection Relays - MELPRO-A Series , MOC
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
- Category： Protection Relays - MELPRO-A Series , MUV
Combination transformer

It is impossible. It is required to combine with MZT type ZCT dedicated for our products. More Details >>
- No：23729
- Release Date：2018/09/19 17:16
- Category： Protection Relays - MELPRO-A Series , MGR
Combination transformer

It is required that the resistance is lower than 5 ohm for a go and return length using sealed cables. The high voltage receiving facility rule defines “The ... More Details >>
- No：23730
- Release Date：2018/09/19 17:16
- Category： Protection Relays - MELPRO-A Series , MGR

21-30 of Total 36

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