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Find Verified Electric Circuit Breakers Suppliers, Manufacturers and Wholesalers

Top Supplier Cities : Shenzhen   Guangzhou   -  
Sep-10-13
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Mini circuit breaker is suitable for wires of AC 50Hz, rated voltage of 400V,rated current of 32A(63A)D, with some protection functions such as leakage because of getting an electric shock, overload, short circuit, etc., and it can add over-voltage protection function according to users’ requirements. It mainly used in building lighting and protection of power distribution system. This product accords with IEC61009 and GB16917.1 standard.
Nov-14-07
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HKKC1L Series of Mini. Breakers

HKKC1L-63 series of residual Mini breakers is mainly used in AC. 50Hz/60Hz, rated voltage up to 400V below lines to protect load/lines from over-load, short-circuit and Elec. leakage. The product has a beautiful out-looking, light weight, perfect & reliable Elec. performances, high breaking capacity, rapid tripping and reliable mounting channel
Nov-14-07
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HKKM2L Series of moulded case circuit breakers

HKKM2L Series of Elec. leakage protective breakers is a new model Elec. leakage protective breaker of rated voltage up to 800V, designed and manufactured by the company with advanced international technology and with the aim of satisfying the most advanced market requirements for AC. 50Hz, rated working voltage of 400V and rated working current up to 800A circuit to non-frequently start motor or changeover circuits
Nov-14-07
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HKKW2 Series of intelligent frame circuit breakers

HKKW2 Series of intelligent universal circuit breaker is mainly used in AC. 50Hz, rated voltage of 400V(380V)íó690V(660V) and rated current between 630A-6300A power distributing work-net to distribute Elec. power and protect equipments from being damaged by over-load, short-circuit, under voltage and grounding fault, having many protective functions and ability of realizing accuracy protective action in selectivity, improving reliability and quality of supplying Elec. power. The breaker is widely used in modern Elec. power distributing network.
Jul-17-26
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High initial permeability, high output voltage, core size saving.
Low core loss, good tolerance ability for large current impulse, good protection of
Tripping of high current
High cuire temperature, good temperature stability, -55~130,
Competitive price
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Jul-11-26
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With the development of society, the demand for electricity security is increasing among people, HVCB burdens the dual-control and protection in the electric system, whose performance relates to the operation of electric system. mechanic parameter is one of indispensable parameters in analyzing the performance of breaker. The comprehensive characteristic tester of high-voltage switch , namely, the mechanic characteristic tester, is according to the latest version of < high-voltage AC circuit breaker> GB1984-2003 as design model, referring to the third part of PRC's power industry standards , and designing based on DL/T846.3-2004, which inspect various grades of voltages in high-voltage circuit breaker's mechanic dynamic characteristic parameters about oil lack, oil excess, vacuum and sulfur hexafluoride, to provide convenience to many kinds of breakers.
VERIFIED
Sep-19-22
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* 1P, 2P, 3P, 4P
* Rated Current In(A):1~125
* Rated Voltage Ue(V): 230/ 400
* Rated Frenquency(HZ): 50/60
* Rated Short Circuit Capacity Icn (A): 10000
Jun-27-26
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Pole Mounted Outdoor Circuit Breaker Manufacturer Juhongkai Vacuum & Auto Recloser Series
Juhongkai is a professional pole mounted circuit breaker manufacturer, offering outdoor units including vacuum breakers and automatic reclosers built for harsh environments, with high protection, durability, and OEM custom options.

Applications & Project Use Cases
Rural and urban overhead distribution feeders

Wind & solar farm output lines exposed to weather

Automatic recloser for grid reliability

Why Choose Juhongkai as Your Pole Mounted Circuit Breaker Manufacturer
Weatherproof design: high IP rating, UV / corrosion / moisture resistant

High performance: vacuum interrupters, high breaking capacity

OEM & Customization: tailored for voltage / current / controls

Certifications & Reliability: IEC / ISO / CE and passed rigorous testing

Afterâ??sales support: spare parts, field service, technical assistance
Aug-17-22
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Aug-20-19
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Aug-26-03
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Apr-27-05
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Aug-28-06
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Mar-19-19
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Jun-12-17
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