Lucy Aegis36 Ring Main Unit

Front cable termination, SF6 insulated RMU with up to 4 switching functions in a single stainless steel enclosure and vacuum circuit breaker protection.

Aegis36 is Lucy Electric’s latest product, originating from the very successful Aegis product family. It is specially designed for secondary distribution networks, wind farms and photovoltaic power stations with ratings up to 36 kV.

Aegis36 is Lucy Electric’s latest product, originating from the very successful Aegis product family. It is specially designed for secondary distribution networks, wind farms and photovoltaic power stations with ratings up to 36 kV. This range is available for indoor and outdoor environments, suiting various application needs. Aegis36 offers high levels of reliability and operator safety. It is a compact, cost-effective and virtually maintenance free product.

Aegis36 offers numerous functional configurations insulated in a single robot-welded sealed tank. This robust range has been built for the toughest environments, with an option to convert units from indoor to outdoor, extending its environmental protection rating. All of these enhancements have been achieved whilst reducing the spatial footprint, resulting in a design that is more compact and easy to install.

Characteristics:

  •  36 kV with up to 630 A ratings
  • Extensible and non extensible range with a wide choice of configurations
  • Any combination of load break switches and vacuum circuit breakers available
  • No on-site SF6 gas handling for installation AF and AFLR internal arc protection
  • Intuitive single line mimic diagram
  • Horizontal cable terminations with DIN 400 Type C bushings
  • Front access earth and test facility
  • Integrated motorisation for remote control operation
  • Vacuum circuit breaker protection with relays
  • Suitable for Indoor (IP41) and outdoor (IP54) applications
  • Integrated Gemini 3 RTU for easy SCADA connection, with optional automatic transfer scheme (ATS)
  • Fully interlocked, anti-reflex mechanisms with padlocks
  • Maintenance free with 30 years life expectancy

Description

Unit

Size

Rated voltage

kV

36

Rated current: ring switch

A

630

Rated current: vacuum circuit breaker

A

630

Impulse withstand voltage

kV

170 / 195

Power frequency withstand voltage

kV

200 / 220

Short time withstand current

kA 3s

50 / 62.5

Short circuit making current

kA

21 kA 3s / 25 kA 1s

Short circuit breaking current

kA

Internal arc rating

kA 1s

25

 

Range

Extensibility

Extensible

Non-extensible

Configuration

1 – Way

2 – Way

3 – Way

4 – Way

2 – Way

3 – Way

4 – Way

Load break switch and / or 250 A circuit breaker

ü

ü

ü

ü

ü

ü

ü

Load break switch and / or 630 A circuit breaker

ü

ü

ü

ü

ü

ü

ü

Aegis36 RMU Catalogue

Other literature available on request

Reports, drawings, technical data sheets, installation instructions, O&M guidelines