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{"title":"AC High Voltage Circuit Breaker , 35Kv 36KV Hv Vacuum Circuit Breaker Handcart","imgUrl":"https:\/\/img.chinax.com\/nimg\/53\/7c\/e2427df909e768154bec4cabfb59-200x200-1\/ac_high_voltage_circuit_breaker_2c_35kv_36kv_hv_vacuum_circuit_breaker_handcart_type.jpg","attrs":{"Brand Name":"TIANAN Electric","Model Number":"VT12(ZN85)-40.5","Certification":"f GB1984, JB3855, and IEC56.","Place of Origin":"CHINA"}}
{"title":"12KV VS1 Medium Voltage Vacuum Circuit Breaker For HV Switchgear , 630A \/ 1250A","imgUrl":"https:\/\/img.chinax.com\/nimg\/32\/fa\/bf25c347d704c595d887391e5669-200x200-1\/12kv_vs1_medium_voltage_vacuum_circuit_breaker_for_hv_switchgear_2c_630a_2f_1250a.jpg","attrs":{"Brand Name":"TIANAN Electric","Model Number":"ZN63(VS1)","Place of Origin":"CHINA","Minimum Order Quantity":"10sets"}}
{"title":"12\/24kV GB Standard Vacuum Circuit Breaker","imgUrl":"https:\/\/img.chinax.com\/nimg\/22\/d0\/2df5e227cd7e6f5c8be73ada6d1e-200x200-1\/12_2f24kv_gb_standard_vacuum_circuit_breaker.jpg","attrs":{"Brand Name":"TIANAN","Model Number":"ZW32-12(24)","Place of Origin":"CHINA","Certification":"GB"}}
{"title":"9\u00b11 Mm Contact Opening Distance High Voltage Circuit Breaker","imgUrl":"https:\/\/img.chinax.com\/nimg\/51\/0b\/22812a30057440d58a3454d74c31-200x200-1\/9_c2_b11_mm_contact_opening_distance_high_voltage_circuit_breaker.jpg","attrs":{"Brand Name":"TIANAN","Model Number":"ZW32-12(24)","Place of Origin":"CHINA","Certification":"GB"}}
{"title":"Indoor AC High Voltage Vacuum Circuit Breaker VS1(ZN63A)-12 Circuit Breaker","imgUrl":"https:\/\/img.chinax.com\/nimg\/ab\/9a\/d42d1d47b8094608497be59b4915-200x200-1\/indoor_ac_high_voltage_vacuum_circuit_breaker_vs1_28zn63a_29_12_circuit_breaker.jpg","attrs":{"Rated Voltage":"High Voltage","Embedded Poles":"APG Process","Rated Current":"630 A,1250A","Auxiliary Contacts":"High Auxiliary Contacts"}}
{"title":"VT12(ZN85)-40.5 Indoor High Voltage Vacuum Circuit Breaker","imgUrl":"https:\/\/img.chinax.com\/nimg\/18\/ce\/7d4d03e3ea8ecd807b90a343b0d2-200x200-1\/vt12_28zn85_29_40_5_indoor_high_voltage_vacuum_circuit_breaker.jpg","attrs":{"Certification":"IEC \u3001GB","Minimum Order Quantity":"1 SET","Price":"To be pending","Payment Terms":"L\/C, T\/T,"}}
IEC62271-100 Standard High Voltage Circuit Breaker
This 12KV Vacuum Circuit Breaker is engineered for medium voltage applications with a rated current of 630A, providing reliable protection for electrical distribution networks. Featuring advanced vacuum interruption technology, it ensures safety, efficiency, and durability in industrial, commercial, and utility installations.
Key Features
Type: 12KV Vacuum Circuit Breaker
Standard: IEC62271-100
Structure Type: Hand Car
Rated Current: 630 A
Opening Speed: 1.445 M/s
Closing Bounce: 1.025 M/s
Contact Clearance: 12.55 mm
Energy Storage Voltage: DC 110V
Technical Specifications
Parameter
Value
Opening Time
24.23 ms
Closing Time
32.75 ms
Center Distance Between Phase
275 mm
Rated Current
630 A
Contact Over-Travel
3.38 mm
Opening Speed
1.445 m/s
Clearance Between Contact
12.55 mm
Energy Storage Voltage
DC 110V
Closing Bounce
1.025 m/s
Applications
This high voltage vacuum circuit breaker is ideal for medium-voltage power distribution networks, including urban power grids, rural electrification projects, industrial plants, power plants, and substations. Its rapid opening speed and reliable fault interruption capabilities protect equipment and ensure system stability.
Customization Options
TIANAN offers customizable solutions with model VS1-24/630-25, manufactured in China and certified under GB standards. Minimum order quantity is 5 sets, with secure wooden pallet packaging. Delivery times and pricing are arranged according to project requirements.
Support & Services
Our comprehensive support includes technical assistance, installation guidance, maintenance programs, troubleshooting, and repair services. We provide detailed documentation, training resources, and scheduled maintenance to ensure optimal performance and extend product lifespan throughout the equipment lifecycle.
Performance Advantage: The combination of vacuum interruption technology, precise contact clearance (12.55mm), fast opening speed (1.445 m/s), and controlled closing bounce (1.025 m/s) ensures reliable circuit protection with minimal maintenance requirements and extended service life.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
1969
Total Annual:
250000000-300000000
Employee Number:
3000~3500
Ecer Certification：
Verified Supplier
Ningbo Tianan (Group) Co, Ltd is a famous leading influential enterprise of the power transmission equipment manufacturing in China.It was founded in 1969,currently under the group, we have 1 national-level R&D center, 2 provincial-level R&D center, 10 professional companies, 70 sales office... Ningbo Tianan (Group) Co, Ltd is a famous leading influential enterprise of the power transmission equipment manufacturing in China.It was founded in 1969,currently under the group, we have 1 national-level R&D center, 2 provincial-level R&D center, 10 professional companies, 70 sales office...
