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{"title":"ZN63 Side-mounted VCB","imgUrl":"https:\/\/img.chinax.com\/nimg\/e6\/77\/226149af541717b93e78b6399782-200x200-1\/zn63_side_mounted_vcb.jpg","attrs":{"Data":"60, 80","item":"opening times of rated short-circuit breaking current","unit":"KV","NO":"13"}}
{"title":"ZN85-40.5 Vacuum Breaker","imgUrl":"https:\/\/img.chinax.com\/nimg\/a3\/7f\/935ef08522df686aad9cfbb0a718-200x200-1\/zn85_40_5_vacuum_breaker.jpg","attrs":{"Parameter":"400","Unit":"Times","Item":"Single capacitor bank breaking current","Place of Origin":"China"}}
{"title":"ZW7 Vacuum Circuit Breaker","imgUrl":"https:\/\/img.chinax.com\/nimg\/81\/0a\/b4ace6e5b5c697730afe722b654c-200x200-1\/zw7_vacuum_circuit_breaker.jpg","attrs":{"No.":"12","Item":"Rated short - time withstand current","Unit":"S","Data":"O-0.3s-CO-180sCO"}}
{"title":"ZX-32 Recloser","imgUrl":"https:\/\/img.chinax.com\/nimg\/57\/33\/e725295407fa5fbae05c92bc30fb-200x200-1\/zx_32_recloser.jpg","attrs":{"Rated continuous current Ir (A)":"630, 800","Rated asymmetrical making current (rms) (kA)":"20","Rated symmetrical interrupting current Isc (kA)":"12.5, 16","Place of Origin":"China"}}
ZN63 (VS1)-12 Series Indoor High Voltage Vacuum Circuit Breaker
The ZN63 (VS1)-12 series is a high-performance 12kV, three-phase AC 50Hz indoor vacuum circuit breaker designed for critical power distribution and protection.
Key Advantages & Applications
✅ Versatile Operation: Supports spring energy storage (AC/DC or manual) and optional long-life permanent magnetic actuators.
✅ High Durability: Engineered for frequent operation with a mechanical life reaching up to 60,000 cycles.
✅ Industrial Reliability: Ideal for power stations, substations, and industrial/mining enterprises requiring robust load breaking.
⚙️ Core Specifications
Series: ZN63 (VS1)-12
Type: Indoor High Voltage Vacuum Circuit Breaker
Rated Voltage: 12kV
Technical Parameters
Item
Units
Parameters
Rated voltage
KV
12
Rated Frequency
HZ
50
Rated Current
A
630.1250.1600.2000.3150
Rated short-circuit breaking current
KA
20 25 31.5
Rated short-circuit closing current
KA
50 63 80
Rated short-circuit duration
S
4
Rated operating sequence
-
0-0.3s-CO-180s-CO
Mechanical life
Times
20000
Rated Storage/Op Voltage
V
AC DC 220/110
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Ecer Certification：
Verified Supplier
Zhejiang Zhongyi Electric Power Technoloay Co.Ltd. is a manufacturer specializing in the production of high-voltae vacuum switches. vacuum extinauishing rooms, composite insulators and composte Zinc Oxide arresters, fuse cutouts, isolating switches. lt is a modern enterprise with high staring point,... Zhejiang Zhongyi Electric Power Technoloay Co.Ltd. is a manufacturer specializing in the production of high-voltae vacuum switches. vacuum extinauishing rooms, composite insulators and composte Zinc Oxide arresters, fuse cutouts, isolating switches. lt is a modern enterprise with high staring point,...
