ZW20KF-12 Outdoor Boundary Vacuum Circuit Breaker
Vacuum Circuit Breakers · Drawing-confirmed project supply
KOVYEL ZW20KF-12 boundary vacuum circuit breakers combine 12 kV fault interruption with intelligent feeder protection and control.
Selection begins with the actual project interface.
KOVYEL ZW20KF-12 boundary vacuum circuit breakers combine 12 kV fault interruption with intelligent feeder protection and control.
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.
Review the available construction and product views.
Images show representative configurations. Final construction, marking and packing are confirmed against the approved project documents.
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 | ZW20KF-12 Outdoor Boundary Vacuum Circuit Breaker |
|---|---|
| Category | Vacuum Circuit Breakers |
| Representative range / models | ZW20KF-12/630-20 |
| Standards / reference basis | Catalogue ratings and project requirements confirmed by KOVYEL before supply |
| Typical applications | Distribution feeder protection; Substation switching and fault interruption; Utility and industrial medium-voltage systems |
| Rated voltage | 12 kV |
| Rated current | 630 A |
| Short-circuit breaking current | 20 kA |
| Peak/making current | 50 kA |
| Short-time withstand | 20 kA for 4 s |
| Mechanical endurance | 10,000 operations |
| Rated breaking operations | 30 |
| Control voltage | 220 V |
| 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.
Where this product family is typically used.
Distribution feeder protection
Boundary protection and sectionalizing
Substation switching and fault interruption
Intelligent controller interface
Utility and industrial medium-voltage systems
20 kA breaking capability
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A complete RFQ helps KOVYEL confirm the product configuration, production basis, documentation, export packing and delivery proposal without repeated clarification.
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TECHNICAL PROCUREMENT PATH