Products

Add.: Tellhow Industrial Area, High-tech Industrial Area, Guanlan Town, Baoan District, Shenzhen City, Guangdong Province, China
Mobile Phone: +86-13631533273
Skype: tina850811
Whatsapp: +86-13631533273
Wechat: 543574802
E-mail: tina.mao@tellhow.hk
Website: www.tellhowelectric.com
Contact Person: Tina Mao

High Voltage Circuit Breakers, Gas Insulated Switchgear and Power Equipment Parts

TELLHOW, established in 1988, is a specialized electric power distribution equipment manufacturer in China. We supply a variety of electrical components and accessories, including switchgear, disconnector, earthing switch, vacuum circuit breaker, embedded pole, heat shrink tubing, etc. These products enable highly efficient, reliable, and safe power distribution, which lays the foundation for sustainable infrastructure of cities, buildings, and industrial plants. We have established long-term partnerships with ABB, Siemens, Schneider, Mitsui, Matsushita, and other international leaders in the power transmission and distribution field. In China, it is TELLHOW who first proposed the concept of turnkey project for constructing power transmission and distribution system. As a professional power equipment manufacturer, Tellhow is tapping deeper and deeper into the high-end markets, creating more and better added value for customers, and striving to achieve and exceed customer expectations.

    1. Vacuum Circuit Breaker (Circuit Breaker for 12-40.5kV Power Distribution System)

      The 12-40.5kV vacuum circuit breakers are used to protect medium voltage power equipment and circuits from dangerous electrical situations.

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      The 12-40.5kV vacuum circuit breakers are used to protect medium voltage power equipment and circuits from dangerous electrical situations. As a specialized circuit protection device manufacturer in China, TELLHOW offers you premium indoor vacuum circuit breakers.

    1. Earthing Switch (JN15 Indoor High Voltage Earthing Switch)

      The JN15 earthing switch is our world-advanced new development designed in reference to the EK6 earthing switch of German GALOR-EMAG company.

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      The JN15 earthing switch is our world-advanced new development designed in reference to the EK6 earthing switch of German GALOR-EMAG company. It has advantages of cutting-edge design, reliable performance, simple structure and ease of mounting and commissioning.

    1. Medium Voltage Switchgear (Air Insulated Switchgear for Primary Distribution System)

      Our medium voltage switchgear comes in full range of specifications. Made by advanced technology, the air insulated switchgear features stable, reliable performance and ease of use.

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      Our medium voltage switchgear comes in full range of specifications. Made by advanced technology, the air insulated switchgear features stable, reliable performance and ease of use.
      It is mainly used as a monitor ...

    1. THA1 Electrical Contacts (Tulip Contacts)

      The THA1 electrical contacts are made from imported non-magnetic stainless steel and T2 copper. The function of non-magnetic stainless steel material is to prevent eddy current.

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      Pressure is distributed evenly on the ring spring.
      Non-magnetic stainless steel material is used to prevent eddy current.
      Overall silver-plated contact pieces have good wear resistance.

    1. Electrical Conductor

      Made of T2 red copper, our electrical conductors include circuit breaker contact arms, PT contact arms, and stationery contacts, which are the most important parts of high and medium voltage switchgears ...

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    1. High Voltage Insulating Components

      It took us two years to solve the problem of concentrated electric field and achieve a uniform electric field distribution inside the insulator, which ultimately ...

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      It took us two years to solve the problem of concentrated electric field and achieve a uniform electric field distribution inside the insulator, which ultimately reduces insulator partial discharge to the desired value.

    1. 12KV-24KV Circuit Breaker Truck

      By increasing electrical operating functions and control modules, the circuit breaker truck enables the medium voltage switchgear to be intelligent,programmable, and remote controllable.

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      By increasing electrical operating functions and control modules, the circuit breaker truck enables the medium voltage switchgear to be intelligent,programmable, and remote controllable.

    1. Indicating Device for Switchgear

      AB6000 indicating device for switchgear is multifunctional, indicating primary circuit analog diagram, switch status, breaker position, earthing switch position, and spring energy storage.

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      AB6000 indicating device for switchgear is multifunctional, indicating primary circuit analog diagram, switch status, breaker position, earthing switch position, and spring energy storage. These indicating functions can be freely combined as needed.

    1. Heat Shrink Tubing

      In addition, we can manufacture tailored heat shrink tube according to customers’ specific requirements. We are committed to offering high quality products and thoughtful customer services.

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      As an experienced power equipment manufacturer in China, we at TELLHOW are able to produce an extensive line of heat shrink tubing, such as 1kV bus bar heat shrink tubing, 12kV bus bar heat shrink tubing, 40.5kV bus bar heat shrink tubing and so on.