NEWS

  • The difference between a molded case circuit breaker and a miniature circuit breaker

    The difference between a molded case circuit breaker and a miniature circuit breaker

    Miniature circuit breakers and molded case circuit breakers are both electrical protection equipment, but they have some obvious differences . 1. Definition and application of miniature circuit breakers miniature circuit breakers are commonly used for short-circuit protection and overload protect...
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  • The wiring methods of circuit breakers

    The wiring methods of circuit breakers

    The wiring methods of circuit breakers include front-panel, back-panel, plug-in and drawer. If the user has no special requirements, they will be supplied in front of the panel. Front-panel wiring is the most common wiring method. 1. Wiring behind the panel: The biggest feature of wiring behind t...
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  • This is our MCB DAB7-125 miniature circuit breaker

    This is our MCB DAB7-125 miniature circuit breaker

      In the field of electrical engineering, safety and efficiency are of paramount importance. This is where miniature circuit breakers  come into play. MCBs are critical components in electrical systems and are designed to protect against overcurrent and short circuits. They are widely used i...
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  • The function,effect and working principle of circuit breaker.

    The function,effect and working principle of circuit breaker.

      The function and effect of circuit breaker:The role and efficacy of circuit breakers With the continuous development of modern industrial technology, power equipment plays an increasingly important role in our daily life and work. As one of the key elements to protect circuits and equipment, th...
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  • External accessories for circuit breakers

    External accessories for circuit breakers

    Folding external accessory electric operating mechanism: This is an accessory used for remote automatic opening and closing of circuit breakers. There are two types of electric operating mechanisms: motor operating mechanism and electromagnet operating mechanism. The motor operating mechanism is ...
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  • Operation principle of circuit breaker

    Operation principle of circuit breaker

    In the field of electrical systems, circuit breakers play a vital role in ensuring the safety and reliability of the entire installation. These devices are designed to protect circuits from damage caused by overcurrent and short circuits. Understanding how circuit breakers work is critical for an...
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  • The internal structure of a circuit breaker

    The internal structure of a circuit breaker

    The internal structure of the circuit breaker is divided into: Auxiliary contact: a contact that is mechanically linked to the opening and closing mechanism of the main circuit of the circuit breaker, mainly used to display the opening and closing status of the circuit breaker, connected to the c...
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  • Crcuit breakers with three-stage protection functions

    Crcuit breakers with three-stage protection functions

    Generally speaking,  of overload long delay, short circuit short delay and short circuit instantaneous action can realize selective protection. Most trunk lines (including the outlet end of the transformer) use it as the main protection switch. Circuit breakers without short circuit short delay f...
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  • Introduction about circuit breakers

    Introduction about circuit breakers

    Circuit breaker  refers to a switch device that can close, carry and break the current under normal circuit conditions and can close, carry and break the current under abnormal circuit conditions within a specified time. Circuit breakers are divided into high-voltage circuit breakers and low-volt...
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  • What is the difference between them?

    What is the difference between them?

    The difference between circuit breakers and contactors: 1. Different natures Circuit breaker: Circuit breaker refers to a switching device that can close, carry and break the current under normal circuit conditions and can close, carry and break the current under abnormal circuit conditions withi...
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  • DAB7-LN-40 Come on stage!

    DAB7-LN-40 Come on stage!

      DAB7-LN-40 Come on stage!DAB7-LN-40 circuit breaker is a small, high breaking capacity device, widely used in AC 50Hz system with rated voltage of 230V and rated current of 40A. The circuit breaker conforms to IEC61009 standard, has B, C curve trip characteristics, housing width 18mm. Thi...
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  • DAB7LN-40 series DPN Residual current operation

    DAB7LN-40 series DPN Residual current operation

    DAB7LN -40 residual current circuit breakers are small devices designed with high breaking capacity (6kA) and they are suitable for the disconnection of neutral lines.The circuit breakers are widely used in AC50H low-voltage electrical systems with a rated voltage of 230V and rated current of...
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