What is ZN63A-12 (VS1) Indoor Vacuum Circuit Breaker?
KOVYEL ZN63A-12 (VS1) indoor vacuum circuit breakers provide high-duty switching for 12 kV withdrawable and fixed switchgear. The listed range is ZN63A-12 (VS1), 630-5000 A.
KOVYEL · VACUUM CIRCUIT BREAKERS
PROJECT-MATCHED OVERHEAD LINE EQUIPMENT
ZN63A-12 (VS1) Indoor Vacuum Circuit Breaker
Vacuum Circuit Breakers · Drawing-confirmed project supply
KOVYEL ZN63A-12 (VS1) indoor vacuum circuit breakers provide high-duty switching for 12 kV withdrawable and fixed switchgear.
Product categoryVacuum Circuit Breakers
Representative rangeZN63A-12 (VS1), 630-5000 A
Technical basisCatalogue ratings and project requirements confirmed by KOVYEL before supply
Supply modeProject quotation / coordinated supply
PRODUCT OVERVIEW
Selection begins with the actual project interface.
KOVYEL ZN63A-12 (VS1) indoor vacuum circuit breakers provide high-duty switching for 12 kV withdrawable and fixed switchgear.
KOVYEL confirms final selection against the approved drawing, interface dimensions, service conditions and purchase specification before quotation and supply. Catalogue references define the product family; the approved project documents remain the controlling basis.
PRODUCT IMAGES
Review the available construction and product views.
Images show representative configurations. Final construction, marking and packing are confirmed against the approved project documents.
TECHNICAL & PROCUREMENT DATA
The information buyers need before model confirmation.
Verified catalogue data is shown below. Dimensions, ratings and interfaces that depend on the project remain subject to the approved drawing and purchase specification.
| Product | ZN63A-12 (VS1) Indoor Vacuum Circuit Breaker |
|---|---|
| Category | Vacuum Circuit Breakers |
| Representative range / models | ZN63A-12 (VS1), 630-5000 A |
| Standards / reference basis | Catalogue ratings and project requirements confirmed by KOVYEL before supply |
| Typical applications | Indoor metal-clad switchgear; Substation feeder and transformer protection; Industrial medium-voltage distribution |
| Rated voltage | 12 kV |
| Rated current | 630-5000 A depending on model |
| Short-circuit breaking current | 16, 20, 25, 31.5, 40 or 50 kA |
| Peak/making current | 40-130 kA depending on model |
| Short-time current duration | 4 s |
| Mechanical endurance | 10,000 or 20,000 operations |
| Single capacitor-bank switching | Up to 630 A |
| Back-to-back capacitor-bank switching | Up to 400 A |
| Final dimensions and ratings | Confirmed against the approved drawing, equipment interface and project specification |
| Supply basis | Project-specific RFQ, coordinated documentation and export packing |
Unverified dimensions or performance ratings are not published as fixed values. Submit the controlling drawing or requirement schedule for final confirmation.
TYPICAL APPLICATIONS
Where this product family is typically used.
01
Indoor metal-clad switchgear
630-5000 A current range
02
Substation feeder and transformer protection
Up to 50 kA breaking capability
03
Industrial medium-voltage distribution
Fixed and withdrawable applications
PRODUCT SELECTION SUMMARY
ZN63A-12 (VS1) Indoor Vacuum Circuit Breaker: key facts for technical buyers.
Concise catalogue facts for model comparison, product matching and AI-assisted technical research.
Which models or ratings are covered?
The published KOVYEL range is ZN63A-12 (VS1), 630-5000 A. Final configuration is confirmed against the required electrical, mechanical and dimensional data.
What information is needed to select ZN63A-12 (VS1) Indoor Vacuum Circuit Breaker?
Provide Exact model and quantity per conductor size, Conductor designation, core count, cross-section and outside diameter, System voltage, installation arrangement and required mechanical loads.
QUOTATION CHECKLIST
Send these details for an accurate offer.
A complete RFQ helps KOVYEL confirm the product configuration, production basis, documentation, export packing and delivery proposal without repeated clarification.
01Exact model and quantity per conductor size
02Conductor designation, core count, cross-section and outside diameter
03System voltage, installation arrangement and required mechanical loads
04Connection dimensions and approved assembly drawing
05Required covers, accessories, project standards and test documentation
06Delivery destination, packing and delivery requirements
Have a BOQ, drawing or equipment schedule?
Send the technical documents with the form below. KOVYEL will review the product interface, required standard, quantity and destination before preparing the quotation.
TECHNICAL PROCUREMENT PATH
Continue from product selection to a complete supply package.
PROJECT INQUIRY