FZW28K-12 Outdoor Boundary Vacuum Load-Break Switch
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.
Selection begins with the actual project interface.
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.
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 | 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.
Where this product family is typically used.
Distribution boundary protection
Programmable protection controller
Feeder sectionalizing
16 kA for 4 seconds
Outdoor overhead distribution systems
Overcurrent and zero-sequence functions
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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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