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

The contact recovers automatically.

Input from the primary side by combining with a peripheral device (ZCT). In Standard JIS C 4601, performance warranty is

This relay has a capacitor to operate in case of the lost power or at the maximum settling of an operation time. Because

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

A momentary power interruption is not detectable.

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Medium-voltage Power Distribution Products

Protection Relays(72)

Protection Relays - MELPRO-A Series(72)

FAQ within [ Medium-voltage Power Distribution Products ]

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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
Return of contact

The contact recovers automatically. More Details >>
- No：23717
- Release Date：2018/09/19 17:16
- Category： Protection Relays - MELPRO-A Series , MOC
Test method

Input from the primary side by combining with a peripheral device (ZCT). In Standard JIS C 4601, performance warranty is covered for combination of periphera... More Details >>
- No：23728
- Release Date：2018/09/19 17:16
- Category： Protection Relays - MELPRO-A Series , MGR
Contact recovery delay after applying voltage

This relay has a capacitor to operate in case of the lost power or at the maximum settling of an operation time. Because this capacitor needs a time to be ch... More Details >>
- No：23734
- 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
Detection of undervoltage

A momentary power interruption is not detectable. More Details >>
- No：23732
- Release Date：2018/09/19 17:16
- Category： Protection Relays - MELPRO-A Series , MUV

31-36 of Total 36

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