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Low voltage electrical appliances are components or equipment that can manually or automatically connect or disconnect circuits based on external signals and requirements, in order to achieve switching, control, protection, detection, transformation, and adjustment of circuits or non electrical objects. Control appliances can be divided into two categories based on their working voltage, namely high voltage control appliances and low voltage control appliances, with AC 1200V and DC 1500V as the boundary. Overall, low-voltage electrical appliances can be divided into two categories: distribution appliances and control appliances, which are the basic components of complete electrical equipment. In industries, agriculture, transportation, national defense, and people's electricity sectors, most use low-voltage power supply, so the quality of electrical components will directly affect the reliability of low-voltage power supply systems. Low voltage electrical appliances usually refer to electrical appliances that operate at an AC voltage of 1200V or a DC voltage of 1500V or below. Common low-voltage devices include switches, fuses, contactors, leakage protectors, and relays. When installing electrical circuits, low-voltage electrical appliances are used to connect the power supply and load (such as motors) through wires, which can achieve control functions such as load connection, disconnection, and protection 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 problems100% inspection 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
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