ZN28 Indoor High Voltage Vacuum Circuit Breaker
12kV Indoor Mounted VCB for Fixed Switchgear and Panel Installation
$950.00
Overview
Nelink ZN28 series indoor high voltage vacuum circuit breaker is a three-phase AC 50Hz high voltage switching device designed for 12kV indoor distribution switchgear. It is mainly used for protection and control of electrical equipment in industrial and mining enterprises, power substations and building power supply. The vacuum interrupter ensures reliable arc extinguishing and long electrical life. Adopting spring operating mechanism, it can be operated manually or electrically, suitable for frequent operation. It is a classic model widely used in old-fashioned fixed switchgear and renovation projects. Compliant with GB and IEC standards.
Key Features
Vacuum interrupter, excellent arc extinguishing performance, long electrical life
Spring operating mechanism, manual / motorized operation, reliable and stable
Compact structure, easy installation and replacement in fixed switchgear
Suitable for frequent operation, low maintenance
Equipped with auxiliary switch and interlocking functions
Manufactured in accordance with GB / IEC 62271-100 standard
Technical Specifications
表格
Item | Specification |
|---|---|
Product Type | ZN28 Indoor Vacuum Circuit Breaker |
Rated Voltage | 12kV |
Rated Current | 630A / 1250A / 1600A |
Rated Frequency | 50Hz / 60Hz |
Rated Short-Circuit Breaking Current | 20kA / 25kA / 31.5kA |
Rated Short-Time Withstand Current | 20kA / 25kA / 31.5kA / 4s |
Insulation Type | Vacuum Interrupter + Epoxy Insulation |
Operating Mechanism | Spring type (manual / motorized) |
Standard | GB / IEC 62271-100 |
Applications
Fixed indoor switchgear (XGN / GG1A), old switchgear renovation, industrial and mining enterprise substations, building power distribution, power plant auxiliary circuits.
Ordering & Support
Send rated current, breaking current, operating mechanism type and quantity to levit@nelink.net or WhatsApp +86 15622712297 for a configured quotation.