Characteristics of isolation switches
1. During electrical equipment maintenance, an electrical compartment is provided and a clearly visible disconnection point is provided to ensure the personal safety of maintenance personnel [3] 2. The isolation switch cannot be operated with load: it cannot be operated with rated load or high load, and cannot open or close load current and short circuit current. However, if there is an arc extinguishing chamber, it can be operated with small load and no-load lines 3. General power transmission operation: first close the isolation switch, then close the circuit breaker or load switch; During power outage operation: first disconnect the circuit breaker or load switch, and then disconnect the isolation switch
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China