Review on Two-module voltage relay Welrok D2-63, 63A with thermal protection (RBUZ) by Bogdan Mironow ᠌

Installed in odnushke in Khrushchev. At times, the voltage rises to 280V. The relay is working properly. Many people write about the weak mounting on the rail, but everything is strong and smooth for me. Probably depends on the party. The voltmeter readings are correct, checked. The settings are clear, instructions are included.