ZN63-12 Solid Insulated Indoor High Voltage Vacuum Circuit Breaker, manufactured by China's Jinhand Electrical, is designed for 12kV/50Hz systems. This high-quality factory product offers fixed or withdrawable designs compatible with standard switchgear. As a reliable supplier, we ensure precise performance for power plants and industrial applications.
1.Versatile Application: Suitable for a wide range of environments including power plants, substations, petrochemical facilities, metallurgical plants, manufacturing industries, airports, and residential complexes.
2.Frequency of Operations: Specifically designed for applications requiring frequent operations at rated current or multiple interruptions of short-circuit currents, enhancing its reliability in demanding situations.
3.Compatibility with Existing Systems: The withdrawable-type breaker is compatible with mainstream withdrawable switchgear in the high-voltage power distribution market, facilitating integration into existing systems.
4.Reliable Grounding Design: Incorporates a dependable grounding design that accommodates both front and bottom grounding configurations, ensuring safety and compliance in various installations.
| Project | Unit | Parameter | ||||
| Rated Voltage | kV | 12 | ||||
| Rated Insulation Level | 1min Power Frequency Withstand Voltage(RMS)(Phase-to-Phase,Phase- to-Ground,Vacuum Interrupter) | KV | 42 | |||
| Lightning Impulse Withstand Voltage(Peak)(Phase-to-Phase,Phase-to- Ground,Vacuum Interrupter) | kV | 75 | ||||
| Rated Frequency | Hz | 50 | ||||
| Rated Current | A | 630 | 630 | 1250 | 1600 | |
| 1250 | 1250 | 1600 | 2000 | |||
|
|
|
2000 | 2500 | |||
|
|
|
2500 | 3150 | |||
|
|
|
|
4000 | |||
| Rated short-circuit breaking current | kA | 20 | 25 | 31.5 | 40 | |
| Rated short-time(4s)withstand current | kA | 20 | 25 | 31.5 | 40 | |
| Rated short-circuit making current | kA | 50 | 63 | 80 | 100 | |
| Rated peak withstand current | kA | 50 | 63 | 80 | 100 | |
| Rated operating sequence |
|
O-0.3s-CO-180s-CO、O-180s-CO-180s-CO | ||||
| Rated number of short-circuit breaking operations | Times | 30/20(40kA) | ||||
| Rated cable-charging breaking current | A | 25 | ||||
| Rated single capacitor bank breaking current | A | 630/400(40kA) | ||||
| Rated back-to-back capacitor bank breaking current |
|
400 | ||||
| Mechanical life | Times | 1000 | ||||
| Circuit breaker grading |
|
M2-E2-C2 | ||||
| Permissible cumulative wear thickness of moving and fixed contacts | mm | 3 | ||||
1.Rated Voltage and Frequency: Designed for three-phase AC power systems with a rated voltage of 12kV and a frequency of 50Hz, making it suitable for standard electrical infrastructure.
2.Installation Options: Available in two standard installation designs: withdrawable type and fixed type, providing flexibility based on user needs.
3.Integrated Use with Switchgear: Can be installed in indoor air-insulated switchgear (such as KYN28 and KYN96) for integrated operation, maximizing space efficiency and functionality.
4.Interlocking Functions: The withdrawable-type breaker meets the requirements of five-prevention interlocking functions, enhancing operational safety and preventing incorrect operations.
1.Compact Solid-Insulated Poles: Uses APG molding process, reducing volume by 30% compared to traditional insulation methods.
2.Intelligent Interlock System: Features dual mechanical and electrical interlocks, supporting remote locking and permission management.
3.Low Operating Energy Mechanism: Optimized cam and spring design reduces closing operation energy by 25%.
4.Modular Contact System: Supports live contact replacement, reducing power outage time.
5.Eco-Friendly Insulation Materials: Uses halogen-free environmentally friendly epoxy resin, complying with RoHS and REACH directives.
1.Solid insulation design completely eliminates SF6 gas usage, resulting in zero greenhouse gas emissions.
2.Low operating energy mechanism design reduces single-operation energy consumption by 20% compared to similar products.
3.Long-life design reduces equipment replacement frequency, lowering resource consumption and waste generation throughout the product lifecycle.
4.Recyclable material content exceeds 80%, supporting circular economy models.
1.Uses customized shockproof packaging with angle steel reinforcement, suitable for long-distance sea and land transportation.
2.Provides complete installation drawings, foundation drawings, wiring diagrams, and 3D layout files.
3.Supports on-site installation guidance, commissioning training, and first-operation supervision.
4.Establishes regional spare parts warehouses, offering 48-hour emergency spare parts supply services.
Q1: What is the difference between solid insulation and gas insulation?
A: Solid insulation uses solid materials like epoxy resin, offering stable insulation performance unaffected by air pressure, with no leakage risks and better environmental friendliness.
Q2: Which switchgear models is it compatible with?
A: Compatible with mainstream 12kV switchgear such as KYN28, KYN96, and KYN61, with cabinet width adaptability ranging from 800mm to 1000mm.
Q3: What is the definition of frequent operation?
A: Refers to applications with daily operations exceeding 10 times or annual operations exceeding 3,000 times. This product's mechanical life of 10,000 operations meets these requirements.
Q4: Does it support intelligent upgrades?
A: Yes, it supports the addition of intelligent controllers for online monitoring of mechanical characteristics, electrical lifespan assessment, and remote opening/closing control.
Q5: What conditions are required for installation and commissioning?
A: Requires a level installation foundation, standard tools, and power supply. We provide remote guidance or on-site services to ensure commissioning within 48 hours.
Thanks to exceptional product quality and service, we have established stable partnerships with customers in over 30 countries. We support various trade terms such as EXW, FOB, CIF, and DDP, providing professional export packaging, inspection documents, customs declarations, and full-process logistics tracking services.
After over a decade of steady expansion, Jinhand has become one of the prominent manufacturers and suppliers of electrical equipment in China. Our factory is equipped with a host of advanced technologies and machinery, and we welcome you to buy our top-quality, reasonably priced products made in China.
Address
No. 188, Wei 15th Road, Yueqing City, Wenzhou City, Zhejiang Province, China
