ZN63(VS1)-12 Indoor High Voltage Vacuum Circuit Breaker
Technical specification
|
NO. |
Item |
Units |
Parameters |
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|
1 |
Rated voltage |
kV |
12 |
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|
2 |
Rated frequency |
Hz |
50 |
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|
3 |
Rated Insulation level |
1min power frequency voltage |
kA |
42/48 To earth/Phase to Phase42/48 |
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|
Lightning Impulse Withstand voltage(peak) |
75/85 To earth/Phase to Phase75/85 |
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|
4 |
Rated short-circuit breaking current |
kA |
20 |
25 |
31.5 |
40 |
|
|
5 |
Rated current |
A |
630 |
630 |
1250 1600 |
1250 1600 |
|
|
1250 |
1250 |
2000 2500 |
2000 2500 |
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|
6 |
Rated short circuit withstand current |
kA |
20 |
25 |
31.5 |
40 |
|
|
7 |
Rated peak withstand current |
50 |
63 |
80 |
100 |
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|
8 |
Rated short-circuit closing current(peak) |
|
50 |
63 |
80 |
100 |
|
|
9 |
Duration of rated short circuit current |
S |
4 |
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|
10 |
Mechanical life |
Times |
10000 |
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|
11 |
Frequency tolerance of the secondary circuit voltage (1min) |
V |
2000 |
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|
12 |
Rated operating sequence |
|
O-t-CO-t1-CO |
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|
Note: 20KA、31.5kA t 0.3s t1 180s; 40kA t 180s t1 180s |
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Product Model
Dimension
Product Functions
◆Circuit Control & Protection: Provides comprehensive control and protection for electrical facilities in industrial and power generation environments.
◆Frequent Operation Handling: Engineered for applications requiring frequent switching cycles without performance degradation.
◆Dual Configuration Flexibility: Can be used as a fixed installation unit or equipped with advance mechanism to form a handcart unit for removable applications.
◆Integrated Operating Mechanism: Features VET operating mechanism integrated with circuit breaker for reliable, coordinated operation.
◆Permanent Magnetic Option: VS1-12 permanent magnetic version offers alternative operation technology for specific application requirements.
Applicable Environment
◇Rated System: Suitable for 12kV, 50Hz three-phase AC indoor power systems.
◇Temperature Range: Reliable operation in ambient temperatures from -15℃ to +40℃.
◇Installation Altitude: Designed for elevations up to 1000 meters.
◇Humidity Tolerance: Withstands daily average humidity ≤95% and monthly average ≤90%.
◇Seismic Resistance: Capable of withstanding earthquake intensity up to 8 degrees.
◇Air Quality: Suitable for locations free from corrosive gases, flammable vapors, and significant pollution.
Product Highlights
◆Dual Version Availability: Offered in standard vacuum and permanent magnetic versions to match specific application requirements.
◆Integrated VET Mechanism: Features advanced VET operating mechanism integrated with the breaker for reliable, synchronized operation and reduced maintenance.
◆Flexible Installation: Versatile design allows fixed installation or handcart configuration with advance mechanism for various switchgear layouts.
◆Proven Industrial Applications: Ideal for demanding environments like industrial plants, power plants, and substations requiring reliable circuit protection.
◆Frequent Operation Capability: Engineered for applications requiring frequent switching, ensuring long electrical and mechanical life under demanding duty cycles.
◆Comprehensive Protection: Serves as a complete control and protection unit for electrical facilities in medium voltage distribution systems.