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

The prohibition position sets the maximum settling value. With the definite time current, all prohibition positions set

The contact recovers automatically.

Overload tolerance of an over current relay is 200 A, 1 second. Adjust CT ratio and others not to input more than 200 A.

Because this relay derives the control power from input of the CT secondary current, when the input current falls below

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Protection Relays

Protection Relays - MELPRO-A Series(72)

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FAQ within [ Protection Relays ]

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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
Position of switch

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
About contact

The contact recovers automatically. More Details >>
- No：23736
- Release Date：2018/09/19 17:16
- Category： Protection Relays - MELPRO-A Series , MUV
Short-circuit detection

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
A lighting condition of RUN

Because this relay derives the control power from input of the CT secondary current, when the input current falls below about 0.5 A for 2-phase input or abou... More Details >>
- No：23708
- Release Date：2018/09/19 17:16
- Category： Protection Relays - MELPRO-A Series , MOC
Rated current

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

31-36 of Total 36

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