Circuit breaker refers to the switching device that can close, carry and break the current under normal circuit conditions and can close, carry and break the current under abnormal circuit conditions within a specified time.

Circuit breaker UL certification standards are UL489,UL489 molded case circuit breaker, molded case switch and circuit breaker enclosure standards.

Circuit breaker UL489 certification test items

1. Temperature rise test;

2. Calibration test;

3. Overload test;

4. Life test;

5. Short circuit test;

6. Withstand voltage test;

7. Moisture absorption test.

Circuit breaker UL489 certification required information

1. Product specification;

2. Description of differences between models;

3. Structure diagram and circuit schematic diagram;

4. List of key parts;

5. BOM, etc.

Handle circuit breaker UL489 certification process

1. Project Application-Submit an application to the Ancorset Testing/Certification Management.

2, data preparation-according to the standard requirements, enterprises to prepare the relevant certification documents.

3. Product Testing-The enterprise sends the samples to be tested to the Ankey Testing and Certification Laboratory for testing.

4, the preparation of the report-the certification engineer according to the qualified test data, the preparation of the report.

5. Submission for Review-The Engineer will review the complete report.

6, the issuance of certificates-after the report is verified to be correct, the certificate will be issued.