ZW7-40.5 Outdoor High Voltage Vacuum Circuit Breaker
35kV Porcelain Post Type Outdoor VCB for Substation and Overhead Distribution Lines
$4500.00
Overview
Nelink ZW7-40.5 series outdoor high voltage vacuum circuit breaker is a three-phase AC 50Hz high voltage switching device designed for 35kV power systems. It is mainly used for protection and control of overhead transmission lines, distribution substations and industrial power supply. The vacuum interrupter is sealed inside a red porcelain post insulator, with reliable arc extinguishing performance and long electrical life. The base cabinet is available in carbon steel painted or stainless steel, with spring operating mechanism for manual or motorized operation. Suitable for frequent operation and places requiring high reliability. Compliant with GB and IEC standards.
Key Features
Vacuum interrupter sealed in red porcelain post, excellent insulation and arc extinguishing
Spring operating mechanism, manual / motorized operation, reliable and stable
Three-pole common frame structure, steel or stainless steel base cabinet
Suitable for frequent operation, long electrical and mechanical life
Equipped with anti-pumping and interlocking functions for safe operation
Manufactured in accordance with GB / IEC 62271-100 standard
Technical Specifications
Item | Specification |
|---|---|
Product Type | ZW7-40.5 Outdoor Vacuum Circuit Breaker |
Rated Voltage | 40.5kV |
Rated Current | 1250A / 1600A |
Rated Frequency | 50Hz / 60Hz |
Rated Short-Circuit Breaking Current | 25kA / 31.5kA |
Rated Short-Time Withstand Current | 25kA / 31.5kA / 4s |
Insulation Type | Porcelain Post + Vacuum Interrupter |
Operating Mechanism | Spring type (manual / motorized) |
Base Cabinet | Carbon steel painted / Stainless steel |
Standard | GB / IEC 62271-100 |
Applications
35kV distribution substations, overhead transmission lines, industrial power supply, wind and solar power collection substations, railway traction power supply, rural grid renovation.
Ordering & Support
Send rated current, breaking current, base material (steel / stainless steel), operating mechanism type and quantity to levit@nelink.net or WhatsApp +86 15622712297 for a configured quotation.