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FAQ within [ Protection Relays - MELPRO-A Series ]
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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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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
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In CT circuit, it is 5 A. More Details >>
- No:23713
- Release Date:2018/09/19 17:16
- Category: Protection Relays - MELPRO-A Series , MOC
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The prohibition position sets the maximum settling value. With the definite time current, all prohibition positions set 6 A, and with the instantaneous curre... More Details >>
- No:23714
- Release Date:2018/09/19 17:16
- Category: Protection Relays - MELPRO-A Series , MOC
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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
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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
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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:23720
- Release Date:2018/09/19 17:16
- Category: Protection Relays - MELPRO-A Series , MDG
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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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That is right. More Details >>
- No:23722
- Release Date:2018/09/19 17:16
- Category: Protection Relays - MELPRO-A Series , MDG
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It recovers without retaining. More Details >>
- No:23723
- Release Date:2018/09/19 17:16
- Category: Protection Relays - MELPRO-A Series , MDG
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