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 lines, distribution substations and industrial power supply. The vacuum interrupter is sealed inside a porcelain post insulator, with reliable arc extinguishing performance and long electrical life. Adopting spring operating mechanism, it can be operated manually or electrically, with remote control and auto-reclosing functions available. Suitable for frequent operation and places requiring high reliability. Compliant with GB and IEC standards.

Key Features

  • Vacuum interrupter sealed in porcelain post, excellent insulation and arc extinguishing performance

  • Spring operating mechanism, manual / motorized operation, reliable and stable

  • Three-pole common frame structure, easy installation and maintenance

  • 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)

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, operating mechanism type and quantity to levit@nelink.net or WhatsApp +86 15622712297 for a configured quotation.