O'ZELEKTROAPPARAT
ELECTROSHIELD JSC

CLIENT

O’zelektroapparat Electroshield JSC

COUNTRY

Uzbekistan

Start Date

September 2020

Completion Date

December 2021

OVERVIEW

Rushmore Holdings successfully delivered a comprehensive supply contract to O’zelektroapparat-Electroshield JSC, one of Uzbekistan’s leading manufacturers and suppliers of electrical equipment for power transmission and distribution. The project involved the procurement, supply, and delivery of highly specialized high-voltage machinery and equipment for the client’s ongoing expansion and modernization of Uzbekistan’s national power grid.

Spanning over 15 months, this project played a vital
role in strengthening the reliability and efficiency of
the country’s 500kV high-voltage transmission
infrastructure—critical to meeting Uzbekistan’s
growing energy demands and ensuring stable
long-distance power distribution across the region.

KEY ACHIEVEMENTS

Successful delivery of multiple complex 500kV systems and components

Compliance with international electrical standards and client’s technical requirements

Seamless integration with Uzbekistan’s national power grid infrastructure

On-time delivery despite global supply chain disruptions

SCOPE OF SUPPLY

500kV SF6 Circuit Breakers (Standard and Reactor Circuits)

Rated Current: 4000A
Breaking Current: 50kA

500kV Single-Pole Disconnectors (GW4-550DW / 2000)

Variants with both single and double grounding knives Motorized drives for main and grounding knives Specific creepage distance of 3.1 cm/kV Supplied complete with control cabinets

500kV Metal Structures for Disconnectors

Precision-engineered metal frameworks for safe and durable equipment installation

500kV Support Insulators (Type C8-1675)

500kV Surge Arresters (Y20W-420/1046)

Equipped with online monitoring controllers

500kV SF6 Gas-Insulated Current Transformers (LVQB-500W3)

Multiple core configurations: 0.2S / 0.5 / 10P20
Rating: 2000-1000-500/1A
Supplied with cable glands

500kV Capacitive Voltage Transformers (Oil-Insulated, TYD500)

High accuracy measurement cores (0.2/0.2/3P)
Rated output: 100/100/100VA Terminal Cabinets for 500kV and 110kV Transformers
Customized terminal enclosures for current and voltage transformer connections

PROJECT SIGNIFICANCE

This equipment package directly supports Uzbekistan’s national efforts to modernize its electrical grid infrastructure, improve energy transmission reliability, and reduce losses in long-distance power transfer. The supplied components meet strict international standards for high-voltage safety, stability, and long-term operational durability under varying climatic and environmental conditions.

PROJECT OUTCOME

The successful completion of this supply contract further reinforced Rushmore Holdings’ position as a reliable partner in the field of power transmission infrastructure, capable of delivering specialized high-voltage equipment solutions for national-scale utility projects across Central Asia and beyond.

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O'ZELEKTROAPPARAT ELECTROSHIELD JSC