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Miniature Circuit Breaker Which Have Excellent Current Limiting Characteristic - China

price: contact company for price

Origin China

Model Number B42

Brand Name TAYEE

Pole Number 1p 2p 3p 4p

Rated Voltage (V) 230/400V

Mechanical Life 20000 Times

Electrical Life 6000 Times

B42 series miniature circuit breakers have excellent current-limiting characteristic, which is superior to that specifiedfor Class III in IEC60898 standard. This means that, in case of a short circuit, B42 series Miniature circuitbreakers can minimize the heating effect of the cable andfault point, which can not only improve the safety of the electrical system and reduce the effect of the fault on the system and equipment, but also reduce the impact of short circuit on the breaker itself, thus greatly increasing the electrical life of the breaker.

The interruption ability is the main and also the most important electrical index for circuit breakers. The reliability of a circuit breaker at an extreme interruption condition is related to the safety of the low voltage system, equipment or even persons. Meanwhile, the interruption characteristic is also an important criterion for judging the technical level, manufacture process and product quality of circuit breakers. The improvement of B42 series miniature circuit breakers in rapid interruption and arc-extinction techniques has greatly raised the interruption ability and also the safety and reliability of B42 series products.

B42 series miniature circuit breakers conform to the supplementarySafety provisions for the breakers with isolation function in IEC60947-2/GB14048.2 and fully satisfy all the requirements on isolating the electrical devices.

Miniature Circuit Breaker Which Have Excellent Current Limiting Characteristic

Please see our contact information below


Company Contact:


  • Phone: 15502583520

  • Address: 1702 Room Qilai Building, 889 Yishan Street, Shang, Shanghai, China

  • Email: Email


Published date: December 4, 2012 -

  • Business Description: Shanghai Tianyi Electric Co., Ltd is professional manufacturer of alarm lamp, sealed box, socket box, limit switch, cam switch, connection terminal, integrated indicator lamp, push botton and indicator. Its products are widely applied in industries like machaines, machine tool, electric power, automation and they are the first choices for domestic high end customers. TAYEE has been an influential brand among this industry.
    Since the foundation in 1997, TAYEE has developed rapidly and enlarged its market sharing in electric industry with its high quality products and perfect service. Now TAYEE has become a company with over 300 staff and over 100 million annual output value. It was appraised Shanghai New and High Tech Enterprise, Shanghai Scientific Small Giant Training Enterprise. Meanwhile, kinds of products were awarded as ?Shanghai Key New Product, ?Shanghai Brand Name Product, Shanghai New and High Tech Achievement Transformation Project, which laid a foundation of its leading position in the industry.
    Stable product quality is a base for a company development. As a leading company, TAYEE brings in advanced management model and always attaches most importance to product quality. We introduce advanced management model, purchase high quality production and testing equipments to ensure the quality of every single product. TAYEE took lead in passing ISO 9002 Quality System Certification in 2000, passed ISO 9001 in 2002; passed ISO 14001 in 2007: 2004 System Certification; passed OHSAS 18001 in 2009: 2007 System Certification; at present has acquired many certifications like CCC,CE,TUV,CQC,CB,CCS
    Shanghai Tianyi is a company dedicated in constant innovation and continuous advancement. Company has founded an R&D department composed of a group of technical elites with professional techniques and creative ideas.

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