In order to continue to enhance our Knife Type Changeover Switch, Knife Fuse Switch, Anti-mistake Knife Switch and provide more sophisticated features and performance, we actively introduce and learn from advanced technologies. Our organization insists all along the quality policy of 'product quality is base of business survival; purchaser gratification is the staring point and ending of an business; persistent improvement is eternal pursuit of staff' as well as the consistent purpose of 'reputation 1st, purchaser first' for Knife Type Changeover Switch. Our team of experienced professionals is committed to helping our clients achieve their business goals. We combine system innovation, technology innovation and management innovation to implement first-class management, produce first-class products, provide first-class service and create first-class performance. We believe in delivering exceptional customer service and providing support when our customers need it most. We will supply best quality, the most market competitive price, for every new and old customers with the most perfect green services. We pride ourselves on being a trusted partner for our customers, always acting with honesty, transparency, and integrity in all business dealings. The R&D personnel who keep pace with the times, the experienced manufacturing personnel, the sales personnel who serve with integrity, and the serious and patient after-sales personnel form our professional service team to provide convenience for customers all over the world. We will always create benefits for more people with sincere service.
  • Knife Type Changeover Switch
    ● Series: HS13BX
    ● Rated Working Voltage: AC 1000V
    ● DC Application Voltage: DC 1200V
    ● Rated Working Current: 3000A / 4000A / 6000A
    ● Number of Poles: 1P / 2P / 3P...
  • Fuse Isolating Switch
    ● Product Series: HR5 / HR6
    ● Rated Frequency: AC 50/60Hz
    ● Rated Thermal Current: Up to 630A
    ● Typical HR5 Ratings: 200A / 400A / 630A
    ● Typical HR6 Ratings: 160A /...
  • Isolated Automatic Transfer Switch
    ● Product type: Isolation type dual power automatic transfer switch
    ● Product classification: Load switch type, PC class
    ● Rated current range: 20A-3200A
    ● Frame current: 100,...
  • Mini Automatic Transfer Switches
    ● Series: LDQ1-80AE series
    ● Product type: Mini PC class automatic transfer switch
    ● Frame current: 80A
    ● Rated current: 10A / 16A / 20A / 25A / 32A / 40A / 50A / 63A / 80A...
  • Smart Automatic Transfer Switch Controller
    ● Close / open trip relay output: 16A 250VAC free-voltage relay output
    ● Programmable relay output: 16A / 7A 250VAC free-voltage relay output
    ● Digital input: Active when connected...
  • Anti-mistake Knife Switch
    ● Series: HD11F series
    ● Product description: Photovoltaic knife switch for low-voltage isolation and manual switching
    ● Rated working current, Ie: 200A, 400A, 600/630A, 1000A,...
  • Knife Fuse Switch
    ● Rated insulation voltage Ui: 1000V
    ● Rated working voltage Ue: AC400 / 500 / 690 / 800V
    ● Rated frequency: 50Hz
    ● Rated making capacity: 10Ie
    ● Rated breaking...
  • Open Type Knife Switch
    ● Item: Unit
    ● Conventional heating current: A
    ● Rated working current: A
    ● Mechanical endurance: cycles
    ● 1s short-time withstand current: kA
    ● Dynamic stable...
  • Fuse Switch To Disconnector
    ● Product Series: HH15 / QSA
    ● Rated Frequency: AC 50Hz
    ● Rated Working Voltage: Up to 660V
    ● Rated Current: Up to 3150A
    ● Rated Insulation Voltage: 1000V
John Richard star star star star star
As a regular customer, I have bought almost all of their products. The product quality is really good and the customer service is very good.
Courtney Wilkins star star star star star
Their service and quality are good, and the designers who connect with them are very high-level, highly recommended.
Javier Griggs star star star star star
Although we haven't officially used your products yet, they look great and feel very durable.
Margaret Jackson star star star star star
This company has a very diverse selection of raw materials, which allows us to customize our products and gain higher sales. We will choose to continue working with them in the future.
Susan Kelly star star star star star
The customer service and sales staff are really patient, we really feel the sincere service, and we will consider cooperation in the future.
Ashley Rentas star star star star star
This supplier has made great progress in terms of popularity, products, sales capabilities, after-sales service, etc., which is why we can always cooperate.
As a dark horse in Fireproof Current Limiter, Electronic Energy Meter industry, we have been reported by many media, which has greatly enhanced our corporate image and reputation. As one of the most experienced knife type changeover switch manufacturers and suppliers in China, we also support customized service and OEM service. Please feel free to wholesale high quality knife type changeover switch made in China here from our factory. Thank you for your interest in our products.
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