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Zn63A-12 (VS1) Types 12kv 630A 1250A 1600A Indoor High Voltage Vacuum Circuit Breaker Hv Vcb for Swi
Vacuum Circuit Breakers

Zn63A-12 (VS1) Types 12kv 630A 1250A 1600A Indoor | RFQ Sourcing Details

Vacuum Circuit Breakers · Quote on request

This is a product procurement detail page: check specs, images, category context and related sourcing paths before sending an RFQ.

Quote on request

Product specs

CategoryVacuum Circuit Breakers
Unitset
voltagekV 24 2 Rated Current A 630/1250/1600/2000/2500/3150 3 Rated
standardGB HV Vacuum Circuit Breaker, JB
frequency50HZ. The rated
SpecificationNo. Item Unit Data 1 Rated
CategoryVacuum Circuit Breakers
AvailabilityInquiry required
Updated2026-06-10

Buyer's Digest

Use this page as a product-first sourcing checkpoint before sending an RFQ. Category: Vacuum Circuit Breakers. Confirm application fit, capacity, materials, destination, lead time and compliance requirements before comparing suppliers.

Original product description

VS1-24kV 630A 1250A Indoor VS1 ZN63 VCB Front Mounted vacuum interrupters for distribution switchgear VS1 series is a kind of indoor high voltage vacuum circuit breaker which is used in the AC three-phase power system of frequency 50HZ. The rated voltage of VCB can be 12kV, 24kV or 36kV.

It has advantages of small size,reliable insulation, and long time free maintenance etc. The operating mechanism can be modular or spring ,VS1 vacuum circuit breakers can either be a fixed installation unit or be a withdrawable unit with a dedicated pushing framework.

Summary VS1-24 Indoor High Voltage Vacuum Circuit Breaker is three-phase AC 50. Hz, Rated voltage of 24kV indoor device, For industrial and mining enterprises, power plants and substations as electrical equipment control and protection purposes, and for frequent operation of the place.

VS1 type vacuum circuit breaker conforms to national standard GB HV Vacuum Circuit Breaker, JB , DL/T403-2000 , and IEC :2001 high voltage AC circuit breaker relevant regulations.

Applying Ambient Conditions 1.Ambient temperature: -25ºC- +40ºC 2.The height above sea level: ≤1000 m 3.Relative humidity: the average humidity of a day should be no more than 95%;the average humidity of a month should be no more than 90%.

4.Saturated vapor pressure: the average pressure of a day should be no mare than 2.2k. Pa;the average pressure of a month should be no more than1.8KPa, when the temperature drops sharply, it may condense.

5.Earthquake intensity: not exceed 8 degrees 6.It should be Installed in the places without fire, explosion, serious pollution, chemical erosion and violent vibration. Specification No.

Item Unit Data 1 Rated voltage kV 24 2 Rated Current A 630/1250/1600/2000/2500/3150 3 Rated Frequency Hz 50/60 4 Rated short circuit current kA 20/25/31.5/40 5 Rated short tim

Zn63A-12 | Applications and Buyer Notes

Zn63A-12 is organized as a sourcing-ready Vacuum Circuit Breakers reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and lead-time

Applications

  • Initial shortlist building for related product or supplier options.
  • Specification and application fit review before bulk purchasing.
  • Category, keyword and detail-page comparison before sending an RFQ.

Key specifications

Category
Vacuum Circuit BreakersBased on visible page data; confirm exact value in the RFQ.
Unit
setBased on visible page data; confirm exact value in the RFQ.
voltage
kV 24 2 Rated Current A 630/1250/1600/2000/2500/3150 3 RatedBased on visible page data; confirm exact value in the RFQ.
standard
GB HV Vacuum Circuit Breaker, JBBased on visible page data; confirm exact value in the RFQ.
frequency
50HZ. The ratedBased on visible page data; confirm exact value in the RFQ.
Specification
No. Item Unit Data 1 RatedBased on visible page data; confirm exact value in the RFQ.

Buyer tips

  • State quantity range and split-delivery needs before price comparison.
  • Add certification, material or inspection standards when they affect acceptance.
  • For time-sensitive projects, include target arrival date and destination.
  • For special applications, describe operating condition, installation environment and duty cycle.

FAQ

What should buyers confirm first?

Confirm application, specification, quantity, destination and lead-time requirements before comparing offers.

Can buyers inquire when specs are incomplete?

Yes. Add model, material, size, use case and inspection needs in the RFQ to make replies comparable.

How should this listing be evaluated?

Check title, category, specifications and related keywords against the actual sourcing requirement.

Source mix: ugc

Key specifications

CategoryVacuum Circuit Breakers
Unitset
voltagekV 24 2 Rated Current A 630/1250/1600/2000/2500/3150 3 Rated
standardGB HV Vacuum Circuit Breaker, JB
frequency50HZ. The rated
SpecificationNo. Item Unit Data 1 Rated

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