This part of the scope applies to basic electromechanical relays (non timed with or without relays) and specifies the basic safety and functional requirements for basic electromechanical relays used in various fields of electrical or electronic engineering. These application areas include: general industrial equipment; electrical facilities; Electrical and mechanical; Household and similar electrical appliances; information technology and business equipment; Building automation equipment; Automation equipment; Electrical installation equipment; Medical equipment; Control equipment; Telecommunications equipment; aerospace vehicles; Means of transportation; Other equipment, etc. The compliance with the requirements of this standard is verified through specified type tests. If the purpose of the relay specifies additional requirements beyond the scope of this standard, the relay should be evaluated according to the corresponding IEC standards (such as IEC 60730-1:1999, IEC 60335-1; 1991, IEC 60950-1:2001) based on the purpose. 2 Normative References: The clauses in the following documents are referred to in this part of GB/T 21711 and become the clauses of this part. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions do not apply to this section. However, parties to agreements based on this section are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this section. GB/T 16935.1-1997 Insulation Coordination for Equipment within Low Voltage Systems - Part 1: Principles Requirements and Tests (idt 1EC 60664-1: 1992) Amendment 1 (2000) Amendment 2 (2002) GB 17196-1997 Flat Quick Connect Terminals for Connecting Copper Conductors - Safety Requirements (idt IEC 61210; 1993) GB/T 19405.1-2003 Surface Mount Technology - Part 1: Standard Methods for Specification of Surface Mount Components (idt lEC 61760-1; 1998) IEC 60038:1993 IEC Standard Voltage
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