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FAQ within [ Protection Relays ]
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Because the contact capacity is different to that of a contact for trip, it cannot be used for tripping. Refer to the catalog for the contact capacity. More Details >>
- No:23737
- Release Date:2018/09/19 17:16
- Category: Protection Relays - MELPRO-A Series , COMMON
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It operates on a root mean square value of a fundamental wave. More Details >>
- No:23710
- Release Date:2018/09/19 17:16
- Category: Protection Relays - MELPRO-A Series , MOC
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Combination with other companies' peripheral devices
It is impossible. In Standard JIS C 4609, warranty is covered for combination of peripheral devices and relays. Therefore, combination with other companies’ ... More Details >>
- No:23718
- Release Date:2018/09/19 17:16
- Category: Protection Relays - MELPRO-A Series , MDG
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The contact recovers automatically. More Details >>
- No:23717
- Release Date:2018/09/19 17:16
- Category: Protection Relays - MELPRO-A Series , MOC
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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
- Category: Protection Relays - MELPRO-A Series , MOC
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The contact recovers automatically. More Details >>
- No:23736
- Release Date:2018/09/19 17:16
- Category: Protection Relays - MELPRO-A Series , MUV
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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
- Category: Protection Relays - MELPRO-A Series , MUV
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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
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It is impossible. Because the type is to detect by ZCT in an ungrounded system, the sensitivity becomes very high. More Details >>
- No:23727
- Release Date:2018/09/19 17:16
- Category: Protection Relays - MELPRO-A Series , MGR
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A lighting condition of the RUN LED
It lights up with 85 V or more control power. More Details >>
- No:23721
- Release Date:2018/09/19 17:16
- Category: Protection Relays - MELPRO-A Series , MDG
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