What is FZW28K-12 Outdoor Boundary Vacuum Load-Break Switch?
KOVYEL FZW28K-12 boundary load-break switches combine outdoor 12 kV switching with programmable overcurrent and zero-sequence protection. The listed range is FZW28K-12/630-16.
Load Break Switches · Drawing-confirmed project supply
KOVYEL FZW28K-12 boundary load-break switches combine outdoor 12 kV switching with programmable overcurrent and zero-sequence protection.
KOVYEL FZW28K-12 boundary load-break switches combine outdoor 12 kV switching with programmable overcurrent and zero-sequence protection.
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.
Images show representative configurations. Final construction, marking and packing are confirmed against the approved project documents.
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 | FZW28K-12 Outdoor Boundary Vacuum Load-Break Switch |
|---|---|
| Category | Load Break Switches |
| Representative range / models | FZW28K-12/630-16 |
| Standards / reference basis | Catalogue ratings and project requirements confirmed by KOVYEL before supply |
| Typical applications | Distribution boundary protection; Feeder sectionalizing; Outdoor overhead distribution systems |
| Rated voltage | 12 kV |
| Rated current | 630 A |
| Short-time withstand | 16 kA for 4 s |
| Peak/making current | 40 kA |
| Mechanical endurance | 1000 operations |
| Controller supply | AC 220 V, 50 Hz |
| Overcurrent setting range | 0.2-40 A; 0-8 s delay |
| Zero-sequence setting range | 0-40 A; 0-1800 s delay |
| 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.
Programmable protection controller
16 kA for 4 seconds
Overcurrent and zero-sequence functions
Concise catalogue facts for model comparison, product matching and AI-assisted technical research.
KOVYEL FZW28K-12 boundary load-break switches combine outdoor 12 kV switching with programmable overcurrent and zero-sequence protection. The listed range is FZW28K-12/630-16.
The published KOVYEL range is FZW28K-12/630-16. Final configuration is confirmed against the required electrical, mechanical and dimensional data.
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.
A complete RFQ helps KOVYEL confirm the product configuration, production basis, documentation, export packing and delivery proposal without repeated clarification.
Send the technical documents with the form below. KOVYEL will review the product interface, required standard, quantity and destination before preparing the quotation.
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