In steady state, it is 5.0 VA, and during operation, it is 6.0 VA.

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

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

The contact recovers automatically.

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

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

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

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

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

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FAQ within [ MOC ]

1-10 of Total 13

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Burden of MOC-A1 type

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
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
Rated current

In CT circuit, it is 5 A. More Details >>
- No：23713
- Release Date：2018/09/19 17:16
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
Return of contact

The contact recovers automatically. More Details >>
- No：23717
- 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
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
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
Direction of the current in the incident detection

It is possible. More Details >>
- No：23712
- 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

1-10 of Total 13

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