It is required that the resistance is lower than 5 ohm for a go and return length using sealed cables. Other than MPD-3

Set the frequency to meet the frequency of the region. Incorrect frequency prevents correct detection.

It operates with a settled operation time.

Because between memories, a value becomes unstable, reset the position to the correct position.

It means multiples of the settling value. For example, when an instantaneous factor operation settling value of a relay

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

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

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Medium-voltage Power Distribution Products

Protection Relays(72)

Protection Relays - MELPRO-A Series(72)

FAQ within [ Medium-voltage Power Distribution Products ]

1-10 of Total 36

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Combination transformer

It is required that the resistance is lower than 5 ohm for a go and return length using sealed cables. Other than MPD-3 type ZVT, it is similar to the distan... More Details >>
- No：23719
- Release Date：2018/09/19 17:16
- Category： Protection Relays - MELPRO-A Series , MDG
Movement indicator

Set the frequency to meet the frequency of the region. Incorrect frequency prevents correct detection. More Details >>
- No：23740
- Release Date：2018/09/19 17:16
- Category： Protection Relays - MELPRO-A Series , COMMON
Movement indicator

It operates. More Details >>
- No：23739
- Release Date：2018/09/19 17:16
- Category： Protection Relays - MELPRO-A Series , COMMON
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
Position of switch

Because between memories, a value becomes unstable, reset the position to the correct position. More Details >>
- No：23738
- Release Date：2018/09/19 17:16
- Category： Protection Relays - MELPRO-A Series , COMMON
About contact

That is right. More Details >>
- No：23722
- Release Date：2018/09/19 17:16
- Category： Protection Relays - MELPRO-A Series , MDG
The viewpoint of the instantaneous factor operating characteristics graph

It means multiples of the settling value. For example, when an instantaneous factor operation settling value of a relay is 30 A, 100% is read as 30 A. More Details >>
- No：23707
- Release Date：2018/09/19 17:16
- Category： Protection Relays - MELPRO-A Series , MOC
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
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

1-10 of Total 36

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