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WENZHOU QIUPU ELECTRIC POWER CO., LTD.

Good quality Medium Voltage Insulators for sales
Good quality Medium Voltage Insulators for sales
QiuPu is a great electric power factory. we satisfy you very much . will cooperate with you again!

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IEC Standard Epoxy Resin Spout Insulator , 3150A 12kV HV Switchgear Insulator

China IEC Standard Epoxy Resin Spout Insulator , 3150A 12kV HV Switchgear Insulator supplier
IEC Standard Epoxy Resin Spout Insulator , 3150A 12kV HV Switchgear Insulator supplier IEC Standard Epoxy Resin Spout Insulator , 3150A 12kV HV Switchgear Insulator supplier IEC Standard Epoxy Resin Spout Insulator , 3150A 12kV HV Switchgear Insulator supplier

Large Image :  IEC Standard Epoxy Resin Spout Insulator , 3150A 12kV HV Switchgear Insulator

Product Details:

Place of Origin: WENZHOU
Brand Name: QIUPU
Certification: IEC
Model Number: CHN3-12Q/250 3150A

Payment & Shipping Terms:

Minimum Order Quantity: 60PCS
Packaging Details: Cartons
Delivery Time: 7 Days
Payment Terms: T/T, Western Union
Supply Ability: 50000PCS/Months
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Detailed Product Description
Material: Casting Resin , Epoxy Resin Rate Voltage: 12 KV
Current: 3150A Creepage Distance: 240mm
Color: Red Craft Work: APG

CHN3-12Q/250 3150A 10kV Casting Resin Epoxy Resin Insulators Spolt Bushings with KYN28-12 Switchgear

 

 

 

Middle cabinet, all known as metal armor in the case of a shift switch equipment. It is a high voltage distribution unit with a maximum operating voltage of 3.6 / 7.2 / 12kV and is an indoor distribution unit of a three-phase AC 50 Hz single bus segment system or a double bus segment system. It is used to receive and match the network electricity of 3.6-12kV, and to control, protect, monitor and measure the electric circuit. Medium type switchgear is mainly used for power plant, small and medium power generator, power substation of power system, power supply, power distribution of industrial and mining enterprises, and starting of large high voltage motor.

 

Zhongzhigui's full name is the Armoured Installed Switchgear, which moves the medium metal switch with a three-tier structure, with a bus and dashboard(isolated from each other), a circuit breaker room in the middle and a cable room in the lower. Because the circuit breaker is in the middle layer, so it is called the armor type to move the type of metal closed switch equipment, short for the cabinet.

 

Structure principle

 

High and High Structure and Equivalent Structure


The standard medium cabinet is high and low structure, front side height is 2300 mm, back side height is 2000 mm; And the contour structure is consistent. Gaodigui's busbar is arranged like a grain, and the instrument room is a separate structure, detachable. The contour cabinet busbar is arranged in a vertical zigzag, and the instrument room and the cabinet body are integrated. The same height structure has larger mounting space than the high and low structure, and is also convenient for production and operation maintenance.


Ground switch rear and center
The grounding switch of the neutral cabinet has two installation modes: rear and middle. When the ground switch is put back, the cable construction or maintenance, must be placed from the front side of the cabinet lower cabinet door entry, is not easy to construct. Zhongzhigui's front and rear doors should be "five guard" interlocks with grounding switches. When the ground switch is placed, the cable construction or maintenance enters through the rear lower cabinet door. Usually, the lower side of the cabinet is separated by iron plate, no electric conductor on the front side, the back door and the grounding switch for the "five-guard" interlock.

Perfecting the function of "five precautions"
Through the cabinet drive mechanism and circuit breaker chassis car to achieve the electrical operation of the "five-prevention" function. Under some new electrical conditions and operation mode, the part of "five-guard" function in the cabinet can not meet the requirements, and the "five-guard" function must be improved.


Earthing switch latching
Zhongzhigui power line uses "hand in hand" power supply, and when the circuit breaker in the central cabinet is in test position, it is still possible to supply power from other substations. Before the grounding switch must ensure that there is no power out of the wire, there are three main locking operation.

 

Item Name Rated voltage (KV) Rated frequency(Hz) Frequency withstand voltage 5 min (KV) Local discharge (pc) Creep distance (mm) Dispute bend (kN) Lighting impulse withstand voltage (KV)
                 
1 Contactor box (1250A) 12 50 42 ≤10 >240 ≥10 100
2 Contactor box (1600A) 12 50 42 ≤10 >240 ≥10 100
                 

      

Contact Details
WENZHOU QIUPU ELECTRIC POWER CO., LTD.

Contact Person: Cheng

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