In recent years, low voltage electrical appliances industry, the rapid development of the market capacity of low voltage electrical appliances industry is closely connected with the development of electric power industry, the rapid development of domestic power grid construction, with broad space for low voltage electrical industry development.

    Experts believe that China has become a production of low voltage electrical power, and become the exporter. Research and development of high-end products will still be the main attack direction in the industry in the future. According to the "twelfth five-year" period the appropriate distribution equipment for the new power generation equipment, as well as the needs of existing power equipment replacement and maintenance, is expected to universal type circuit breaker, plastic shell type circuit breaker, mini circuit breakers, ac contactor, thermal relay, residual current circuit breaker, and other products demand will reach more than 200 million units.

    With the improvement of domestic electric power construction level, and the continuous development of low-voltage electrical appliances production technology, intelligent, can communication as the main characteristics of a new generation of low voltage electrical appliances will become a high grade product. At present, the domestic medium and low-grade low-voltage basically occupied most of the domestic market, but domestic high-end low-voltage electrical appliances in addition to the individual product can be tied with similar foreign products, most of the products in the domestic market share is still very low, the domestic market demand for high-end low-voltage still rely on imports.

Development in seven characteristics

    High performance. Rated short circuit breaking capacity and further improve the rated short-time resistance current, and realize the Icu = Ics, such as schneider MT series products of the company, its running short circuit breaking and limit short circuit breaking capacity up to 150 ka.

    High reliability. Products except to demand higher performance, but also do not allow to use, can use for a long time without overheating, full capacity so as to realize the safe operation.

    Electronic. Modern enterprises have adopted the PC control system instead of a system of the electrical and mechanical components, has been the mainstream of mechanical and electrical control system. Electrical products in line with the requirement of the system has high reliability, high anti-interference, can also require contact reliable through to low voltage, low current, contact disconnected arc cannot interfere with the normal operation of the electronic circuit.

    Intelligent. As application-specific integrated circuit and the emergence of high performance microprocessor circuit breaker implements the intelligent of the trip, and make the protection function of the circuit breaker greatly strengthened, can achieve overload long time delay, short circuit the short time delay, instantaneous, grounding short circuit, undervoltage protection function, can also be displayed on the circuit breaker voltage, current, frequency, active power, reactive power, power factor and so on system operation parameters, and can avoid under the influence of high harmonics misoperation.

    The fieldbus technology. Low voltage apparatus of a new generation of products to achieve the communication and networking, with a variety of open field bus connection, two-way communication, realizes the electrical appliances remote control, remote communication, remote sensing, remote regulating function. The application of field bus technology, can not only to monitor power quality, reduce the loss. And can field bus technology in the same area power grid more than one circuit breaker realize regional chain, realize the automation of power distribution protection, further improve the reliability of distribution system. Industrial field bus used in bus Profibus and Modbus, DeviceNet, etc, which greatly influenced by the Modbus and Profibus.

    Modular and combination. Different function modules according to different requirements into modular combinations, is the development direction of today's low voltage electrical appliances industry.