Please recommend manufacturers for testing protection relays such as ABB, OMRON, and ALSTOM
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Dear colleagues, our company has nearly 1,500 protection relays that require regular testing. Please recommend manufacturers familiar with the testing of differential protection, ground protection, instantaneous overcurrent protection, AC directional overcurrent protection, AC overvoltage protection, and motor protection relays from brands such as ABB, OMRON, and ALSTOM. Try to choose professional manufacturers near the Ningbo area. Thank you! If it’s convenient, please leave your contact information.
Manufacturers such as ABB, OMRON, and ALSTOM generally provide after-sales service; it is difficult to find a single source for repairs
For testing only; these manufacturers charge relatively high prices. If the testing is first carried out by a professional testing agency with such expertise, and the defective parts are then sent to the after-sales service of those brands for repair, it can help save costs.