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12kV Contact Arm for Vacuum Circuit Breaker
2. Rated current : 630/1250/1600/2000/2500/3150/4000 A
3. Material : Copper-aluminum combination/pure copper
4. length :155-182mm
5.Installation method: Can be directly bolted to the conductive outlet surface;
6. Compatible Cabinet: Compatible with KYN28A-12 cabinet, 12kV indoor high voltage vacuum circuit breaker and special truck.
7. Product advantages: Good electrical conductivity and mechanical strength.
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Product Introduction
12kV Contact Arm for Vacuum Circuit Breaker is used for withdrawable indoor high-voltage vacuum circuit breaker, suitable for rated voltage 12kV power equipment, and is an important component of the electrical system. It is mainly used to connect and operate the contacts in electrical equipment. It is usually used together with the static contact and the moving contact to form a part of the switch or circuit breaker. During the opening and closing of the circuit, the moving contact will contact or separate with the static contact, and the contact arm plays the role of connecting and operating these contacts. Its surface treatment requires processes such as silver plating and vulcanization.
We offer a wide range of products, including indoor and outdoor vacuum circuit breakers, switchgear, low voltage switch equipment, and various electrical accessories. Each product is designed to meet the specific needs of our customers, they can operate stably in urban distribution networks, industrial melting, new energy power generation, rural power supply and other places, and can still maintain excellent reliability even in harsh environments. Our VTZ Series have become important switch equipment in major fields and power systems throughout China, and their reputation for reliability has earned us the trust of customers nationwide.
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Product Specifications
Specification Sheet
|
No. |
Name |
Unit |
Data |
|
1 |
Rated voltage |
kV |
12 |
|
2 |
Rated current |
A |
630/1250/1600/2000/2500/3150/4000 |
|
3 |
Material |
Copper-aluminum combination/pure copper |
|
|
4 |
Lenth (L) |
mm |
Products advantages
Maintain stable operation of equipment
The heat dissipation hole on the arm of large current, the distance between the bolt connection of the arm and the static contact is far away, the heat generated by the eddy current is not concentrated, and can be well transmitted out. This design helps to maintain the stable operation of the equipment.
Good electrical conductivity
As an important part of power equipment, the contact arm is related to the performance and safety of the equipment. Its materials include copper and alloy. As an excellent conductive material, copper has good conductivity and certain mechanical strength, which can meet the basic requirements of high-voltage contact arms.
Good mechanical strength
The alloy material provides higher mechanical strength, which can meet the strength requirements of the moving contact arm of the circuit breaker. At the same time, it has good conductivity and is suitable for use in power equipment such as high-voltage switchgear. The mechanical strength of this alloy material reaches the standard of medium-hardness aluminum alloy, the surface strength reaches more than Brinell 128, and the surface is plated with thick silver, which increases the friction coefficient and ensures good conductivity and mechanical strength.
Product Applications
12kV Contact Arm for Vacuum Circuit Breaker is particularly used in 12kV indoor high voltage vacuum circuit breaker and special truck.
Products overall outline drawing
630A
1250A
1600A
2000A
2500-3150A
4000A
the other products
fixed contact
Fixed contacts for vacuum circuit breaker usually refers to the circuit in a stationary state, not with the circuit on and off operation and movement of the conductive contact parts, generally used in conjunction with the dynamic contacts, to achieve the connection and disconnection of the circuit. For example, in the high-voltage switchgear, the fixed contact is a fixed part of the installation, when the movable contact and fixed contact, the circuit conductive; movable contact away from the fixed contact, the circuit is disconnected.
12kV Insulator
12kV insulator is a critical component used to separate conductors at different potentials or between conductors and grounded elements. It is designed to withstand voltage and mechanical stress. The primary types include post insulators and composite insulators.
chaiss
Manual type VTZ chassis truck is the core component of indoor high-voltage switchgear. It is used to support the main body of the circuit breaker, realize flexible movement and precise positioning, and is widely used in power system maintenance, equipment maintenance and intelligent substation scenarios. It is used to install circuit breakers, transformers and other components in the withdrawable switchgear, push them in and out, and play an auxiliary role in the operation of connecting components to the busbar.
kyn28-12 switchgear
KYN28-12 indoor armored metal-enclosed switch equipment (hereinafter referred to as KYN28-12 switchgear) is suitable for three-phase AC 50HZ, 7.2~17.5kV single busbar and single busbar sectionalized power system, with perfect "five-proof" function. The removable part of the switchgear cabinet can be equipped with extractable vacuum circuit breaker or vacuum contactor, isolation trolley, PT trolley and other
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