Source : Yk Testing Time：2022-11-24 View:
UL certification was established by UL Co., Ltd., a global testing and certification agency and a standard development agency. Since its establishment in 1894, UL has issued nearly 1800 safety, quality and sustainability standards, more than 70% of which have become American national standards, and UL is also the development agency of Canadian national standards.
Founded in 1894, UL has become one of the world's famous testing and certification institutions after more than 100 years of development. It has a complete set of organizational management system, standard development and product certification procedures. UL mark has become one of the world famous safety certification marks.
UL certification is the most authoritative civil testing certification in the United States. Many enterprises will choose to do UL certification to prove their product safety when entering the American market.
CSA is the largest safety certification agency in Canada and one of the most famous safety certification agencies in the world. Obtaining CSA certification is very helpful for products entering the Canadian market.
UL certification is an abbreviation for Underwriter's Laboratories Certification. It is the most authoritative private institution in the United States and the largest private institution engaged in safety testing and appraisal in the world. It is an independent, for-profit professional institution that conducts tests for public safety.
It uses scientific testing methods to study and determine whether various materials, devices, products, equipment, buildings, etc. are harmful to life and property and the extent of harm;
Determine, prepare and issue corresponding standards and materials that can help reduce and prevent loss of life and property, and conduct fact finding business.
UL certification is a non mandatory certification in the United States, mainly for testing and certification of product safety performance, and its certification scope does not include EMC (electromagnetic compatibility) characteristics of products.
UL certification is voluntary, but products must be recognized by consumers in the American market. Americans prefer UL certification. Jiangsu Yueke Testing is a third-party UL certification agency authorized by UL and can provide UL certification services for the following UL standard products.
General connector: UL1977
Waterproof connector: UL2238
Terminal block: UL1059
Plug and socket: UL817, UL498
Quick connection terminal: UL310
Connecting terminal: UL486
Energy storage connector: UL4128
EV photovoltaic connector: UL6703
Thermistor: UL1434
Varistor, MOV, surge protection device, TMOV, PMOV, GMOV: UL1449
Lightning protection cable tray and strip plug, lightning protection module: UL1449, UL1363, UL498
Fuse, including AC, DC, PV, EV fuse, etc.: UL248 series
Fuse holder: UL4248
Capacitance: UL810/UL810A/UL810B/UL60384
Circuit breaker: UL489
Circuit breaker for IT system: UL489A
Circuit breaker for PV system: UL489B
Circuit breaker for energy storage system: UL489F
Frame circuit breaker: UL1066 and IEEE 37 related standards
Miniature circuit breaker (supplementary protection): UL1077
Fuse resistance: UL1412
Temperature fuse: UL60691
Motor thermal protector: UL60730-2-2
Timer: UL60730-2-7
Temperature controller: UL873/UL60730-2-9
Motor starting protector: UL60730
Single voltage and double voltage switch: UL60730-2-6
Toggle switch, rocker switch and piano key switch: UL20
Appliance switch: UL61058
Wall socket: UL498
Socket panel: UL514D
Row plug/cable tray: UL498+UL1363
PV DC disconnector: UL 98B
DC surge protector: UL1449
DC circuit breaker: UL489B/UL489F
DC contactor: UL60947-4-1
EV fuse: UL248-20
Relay: UL61810/UL508
Contactor: UL60947-4-1/UL508
Travel switch, limit switch, pressure switch: UL508
Industrial power supply: UL508
Resistor, reactor, transformer: UL508
Button switch, indicator light, key switch: UL508
Proximity switch, industrial control instrument: UL508
Emergency stop switch: UL508I
HMI, PLC, industrial computer, CNC equipment: UL61010-2-201
Thermal overload relay: UL508
Automation production line, automation equipment UL certification: UL2011
UL certification of electrical cabinet: UL508A
etc.
1. Business consulting: the applicant provides product specifications and test requirements;
2. Certification quotation: our company will make an evaluation after confirming the applicable standards of products, and make an oral quotation to the applicant;
3. Data provision: After the applicant accepts the quotation, the test sample and complete product data shall be submitted to our company;
4. Payment: after receiving the sample, the applicant will send a written quotation to the applicant, and the applicant will arrange payment;
5. Sample test: conduct product test according to applicable standards;
6. Factory review: factory inspection is required for the first application. According to the application materials of the enterprise, a factory inspection team is established and an inspection report is issued after inspection;
7. Conformity assessment: issue a report after passing the test;
8. Obtain the certificate: issue the UL certificate after passing the audit and close the case.
The facts you need to know about IP dust and waterproof test
2022-11-12American UL Certification Knowledge Summary
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