ZN63A(VS1) Indoor Withdrawable Vacuum Circuit Breaker

12kV Truck-Type VCB for KYN28-12 Metal-Clad Switchgear

$750.00

Overview

Nelink ZN63A(VS1) series indoor high voltage vacuum circuit breaker is a widely used withdrawable (truck-type) switching device designed for 12kV metal-clad switchgear such as KYN28-12. It is the core component of medium voltage switchgear, used for protection and control of power systems, transformers and motor circuits. It adopts vacuum interrupter with excellent arc extinguishing performance and long electrical life. The spring operating mechanism ensures fast and reliable switching. Withdrawable truck structure enables easy insertion and withdrawal for maintenance. Compliant with GB and IEC standards, suitable for industrial, commercial and utility distribution.

Key Features

  • Vacuum interrupter, excellent arc extinguishing, long electrical and mechanical life

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

  • Withdrawable truck design, easy insertion, withdrawal and maintenance

  • Compact structure, universal dimensions, compatible with KYN28-12 switchgear

  • Reliable interlocking function, prevents mis-operation

  • Manufactured in accordance with GB / IEC 62271-100 standard

Technical Specifications

Item

Specification

Product Type

ZN63A(VS1) Indoor Withdrawable VCB

Rated Voltage

12kV

Rated Current

630A / 1250A / 1600A / 2000A / 2500A / 3150A

Rated Frequency

50Hz / 60Hz

Rated Short-Circuit Breaking Current

20kA / 25kA / 31.5kA / 40kA

Rated Short-Time Withstand Current

20kA / 25kA / 31.5kA / 40kA / 4s

Insulation Type

Vacuum Interrupter + Epoxy Insulation

Operating Mechanism

Spring type (manual / motorized)

Standard

GB / IEC 62271-100

Applications

KYN28-12 metal-clad withdrawable switchgear, industrial substations, commercial building power supply, power plants, transformer protection, motor control centers, renewable energy power collection.

Ordering & Support

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