What is ZW7-40.5 Outdoor AC Vacuum Circuit Breaker?
KOVYEL ZW7-40.5 outdoor vacuum circuit breakers provide fault interruption and feeder switching for 40.5 kV substations. The listed range is ZW7-40.5, 1250-2000 A.
KOVYEL · VACUUM CIRCUIT BREAKERS
PROJECT-MATCHED OVERHEAD LINE EQUIPMENT
ZW7-40.5 Outdoor AC Vacuum Circuit Breaker
Vacuum Circuit Breakers · Drawing-confirmed project supply
KOVYEL ZW7-40.5 outdoor vacuum circuit breakers provide fault interruption and feeder switching for 40.5 kV substations.
Product categoryVacuum Circuit Breakers
Representative rangeZW7-40.5, 1250-2000 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 ZW7-40.5 outdoor vacuum circuit breakers provide fault interruption and feeder switching for 40.5 kV substations.
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 | ZW7-40.5 Outdoor AC Vacuum Circuit Breaker |
|---|---|
| Category | Vacuum Circuit Breakers |
| Representative range / models | ZW7-40.5, 1250-2000 A |
| 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 | 40.5 kV |
| Rated frequency | 50 Hz |
| Rated current | 1250, 1600 or 2000 A |
| Rated short-circuit breaking current | 20, 25 or 31.5 kA |
| Peak/making current | 50, 63 or 80 kA |
| Short-time current duration | 4 s |
| Lightning impulse withstand | 185 kV |
| Full breaking time | 100 ms maximum |
| 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
Distribution feeder protection
Outdoor 40.5 kV service
02
Substation switching and fault interruption
Up to 31.5 kA interruption
03
Utility and industrial medium-voltage systems
1250-2000 A current options
PRODUCT SELECTION SUMMARY
ZW7-40.5 Outdoor AC 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 ZW7-40.5, 1250-2000 A. Final configuration is confirmed against the required electrical, mechanical and dimensional data.
What information is needed to select ZW7-40.5 Outdoor AC 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