General technical requirements for low-voltage switchgear and control equipment - Intelligent switchgear and control equipment - Scope 1: This standard specifies the terms and definitions, usage conditions, requirements, and test methods of intelligent switchgear and control equipment in low-voltage switchgear and control equipment. This standard applies to intelligent complete sets of equipment with rated voltage AC not exceeding 1000 V, frequency not exceeding 1000 Hz, and DC not exceeding 1500 V. 2 Normative References: The clauses in the following documents become clauses of this standard through reference in this standard. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. However, parties to agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this standard. GB 7251.1-2005 Low Voltage Switchgear and Control Equipment, Part I; Type testing and partial type testing complete equipment (idt IEC60439-1:1999) GB/T 17626.2-1998 Electromagnetic compatibility, testing and measurement techniques, electrostatic discharge immunity test (idt IEC 61000-4-2:1995) GB/T 17626.4-1998 Electromagnetic compatibility, testing and measurement techniques: Electrical fast transient pulse group immunity test (idt IEC61000-4-4:1995) GB/T 17626.5-1998 Electromagnetic compatibility testing and measurement techniques Surge (impact) immunity test (idt IEC 61000-4-5; 1995) GB/T 18858.1-2002 Low voltage switchgear and control equipment, Controller Equipment Interface (CDI) Part I: General GB/T 18858.3-2002 Low voltage switchgear and control equipment, Controller Equipment Interface (CDI) Part 3: DeviceNetIEC61158:2003 Fieldbus for industrial control systems
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