MV Switchgear — Eclipse Range
The Eclipse range by HS Switchgear — 12kV indoor distribution switchgear with vacuum circuit breakers, magnetic actuator technology, and fully SF6-free design for modern, sustainable distribution networks.
Engineering Features
SF6-Free Design
Completely free of SF6 greenhouse gas — environmentally responsible switchgear technology.
Technical Data
| Parameter | Range / Value |
|---|---|
| Rated Voltage | 12 kV |
| Rated Current | 630 / 1250 / 2000 A |
| Short-Circuit Breaking | 25 kA (3 sec) |
| Frequency | 50 / 60 Hz |
| BIL | 75 kV |
| Switching Device | Vacuum Circuit Breaker |
| Operating Mechanism | Magnetic Actuator |
| Protection Class | IP4X |
| Internal Arc | IAC AFLR 25 kA, 1 sec |
| Dimensions (W×D×H) | 600 × 1350 × 2200 mm |
Standard range parameters — custom specifications available on request.
Related glossary terms
ENATS 35-1
DNO-approved distribution transformer specification
ENATS 35-2
UK secondary substation transformer standard
G99 Compliant
Engineering Recommendation G99 grid interface
BS EN 60076
British Standard for power transformers
EcoDesign Tier 2
EU 548/2014 efficiency compliance
The Eclipse range of 12 kV indoor MV switchgear — fully SF6-free, vacuum-circuit-breaker based with magnetic-actuator technology. 630 A, 1250 A and 2000 A bus-bar ratings per BS EN 62271-200, manufactured by HS Switchgear (ETS Group). Engineered for UK DNO retrofit and decarbonisation programmes replacing legacy SF6 switchgear with environmentally clean designs.
Where MV Switchgear — Eclipse Range Excel.
Indoor Substations
Primary and secondary distribution in commercial and industrial substations.
Renewable Energy
Medium voltage switching for solar farms and wind park collector systems.
Industrial MV Networks
Factory ring-main and radial distribution at medium voltage level.
Data Centres
Dual-bus MV distribution for Tier III/IV mission-critical facilities.
Frequently Asked Questions
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Related Knowledge
FAQs, glossary terms and sizing steps mapped to this product.
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