HT Switchgear – VCB

Sub Station

HT Switchgear – VCB

Green Power Group provides high-performance Vacuum Circuit Breakers (VCB) for medium-voltage power distribution systems. Designed for reliability and safety, VCBs protect transformers, motors, and distribution lines while reducing maintenance in harsh conditions.

Indoor VCB

Outdoor VCB (Porcelain-clad / SF6-supported frame)

Horizontal Draw-Out Type

Fixed / Withdrawable Mounting

11kV to 36kV Range

Construction & Features

Metal-enclosed, ventilated body (SWG-14 steel)

Floor-mounting, indoor installation

Hard-drawn copper bus-bar

Includes 5 bars: L1, L2, L3, N, E

High creepage distance

Modular, extendable structure

Powder-coated finish

Motor-driven or manual operation

Robust vacuum interrupters

Instant trip and protection function

Technical Specifications

STANDARDS
IEC 62271-100

RATED VOLTAGE(Ur)
12KV

RATED INSULATION VOLTAGE
12KV

WIHSTAND VOLTAGE(Ud)
At 50Hz (Ud) 28KV

IMPULSE WITHSTAND VOLTAGE(Up)
75KV

RATED FREQUENCY
50-60Hz

RATED BREAKING CAPACITY(Isc)
20-40KA

RATED NORMAL CURRENT(Ir)
630 - 3150A

MAKING CAPACITY
50-158KA

OPERATING TIME(ms)
<45

INSTALLATION
Indoor/Outdoor

BUSBAR
Copper/Aluminum

Product Gallery

Interested in this product?

Get in touch with our engineering team for customized solutions and quotations.