TG1-12Q/125X125 Epoxy Resin Insulator Swicthgear Wall Spout Bushing with Ring Net Cabinet Switchgear

When the grounding switch is turned on, the back door of the switchboard can not be closed because when the grounding switch is turned on, a block is lowered, usually 30 to 50 cm below the switchboard, and there is a small bump on the door of the switchboard.

If the door can not be closed, the load switch can not be closed. One type is mechanical interlocking, usually with a latch at the back of the load switch. When the cabinet door is opened, the latch is loaded with a spring that blocks the closing mechanism from the inside. So that it can not be protected. Close the door, and when the latch is put in, it closes. This is less used now.
There is also a type of electronic interlock, is in the cabinet door box on the edge of a contact switch, which is the top of the cabinet door, the load switch inside the electromagnet can start, after the start of the suction blocking mechanism, this can close.

        Wenzhou Qiupu Electric Power Co., Ltd. is located in Yueqing Economic Development Zone, Zhejiang Province. It is a high-tech enterprise specializing in the research and development, production and sales of electric power products such as circuit breakers, transformers, power distribution switches and high and low voltage electrics. Our products are widely used in financial, communications, municipal, transportation, power, construction, aerospace, industrial control and other important areas, has won the majority of users praise and signed a long-term cooperation agreement.
        As an innovative technology-based enterprises, the company has strong technical force and the world's leading production technology and high-end testing equipment, and establish and improve the procurement of components, product processing assembly, testing, packaging to sell a complete set Quality management system to ensure that every product of the eligibility, the company has 10 years of experience in the power industry, and is still growing, product and sales network throughout the country.