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

Set the display selection switch on the front upper right of the relay to “Time limit pass.” When a relay detects near t

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.

It means multiples of the settling value. For example, when a definite time factor operation settling value of a relay i

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

It operates on a root mean square value of a fundamental wave.

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FAQ > Medium-voltage Power Distribution Products > Protection Relays > Protection Relays - MELPRO-A Series > MOC

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1-10 of Total 13

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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
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
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
Return of contact

The contact recovers automatically. More Details >>
- No：23717
- Release Date：2018/09/19 17:16
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
The viewpoint of the definite time factor characteristic graph

It means multiples of the settling value. For example, when a definite time factor operation settling value of a relay is 3 A, 1x is read as 3 A and 5x is re... More Details >>
- No：23705
- Release Date：2018/09/19 17:16
Rated current

In CT circuit, it is 5 A. More Details >>
- No：23713
- Release Date：2018/09/19 17:16
Direction of the current in the incident detection

It is possible. More Details >>
- No：23712
- Release Date：2018/09/19 17:16
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
Detection of current

It operates on a root mean square value of a fundamental wave. More Details >>
- No：23710
- Release Date：2018/09/19 17:16

1-10 of Total 13

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