
W-VACi Medium Voltage Vacuum Breakers
W-VACi 12 kV, 17.5 kV and 24 kV
The new and extensive line of type W-VACi compact medium voltage vacuum circuit breakers with IEC ratings of 12 kV, 17.5 kV and 24 kV are part of Eaton’s comprehensive global product portfolio. They serve both 50 Hz and 60 Hz end-user segments of the electrical industry such as industrial, commercial, utility, mining, marine and offshore.
Environmentally friendly offering
- Circuit breaker interrupting chamber and pole unit insulation are SF6-free
- Universal mechanism assembly is RoHS compliant
- Encapsulated pole unit materials are recyclable
User friendly operation
- Controls and position indicators are clearly and functionally grouped
- All controls are ergonomic for ease of use
- Circuit breakers are easy to handle due to small size and low weight
Automatic alignment
- Easy circuit breaker insertion through guide rails
- Automatic alignment of primary disconnects
Easy access and minimal inspection
- Mechanism and control components are easily accessible
- Easy inspection - just by removing front panel
- Only minimal inspection is required
Flexible
- Field customisation through full range of standard and optional accessories that allow easy and fast installation
Cost effective
- Compact size helps reduce switchgear footprint
- Reliable and simple design minimises inspection and life cycle costs
- Optimised portfolio enables inventory reduction and easy breaker selection and ordering
Safety, reliability and performance
- Manual or motor operated integral racking devices for operator safety
- Safety interlocks provide highest level of protection
- Circuit breaker reliability through Eaton's world class quality and routine life testing
Circuit breaker designation | 12 kV W-VACi | 17.5 kV W-VACi | 24 kV W-VACi | |||||||
Rated voltage | Ur | kV | 12 | 17,5 | 24 | |||||
Rated frequency | fr | Hz | 50 / 60 | |||||||
Rated normal current | Ir | A | 630 / 800 / 1250 / 1600 / 2000 / 2500 / 3150 / 4000 [1] [2] [3] | 800 / 1250 / 1600 / 2000 / 2500 [2] [3] | ||||||
Rated short-time withstand current | Ik | kA rms | 25 / 26.3 [4] / 31.5 / 40 / 50 [2][3] | 25 / 31.5 / 40 / 50 [2] [3] | 20 / 25 [2] [3] | |||||
Rated duration of short circuit | tk | s | 3 | |||||||
Rated supply voltage | V | 24 - 48 - 60 - 110 - 125 - 220 - 250 VDC / 120 - 220 - 230 VAC [3] | ||||||||
Pole-center distance | mm | 150 | 210 | 275 | 150 | 210 | 275 | 210 | 275 | |
Upper-to-lower terminal spacing | mm | 205 / 275 | 275 | 310 | 205 / 275 | 275 | 310 | 310 | 310 |
[1] 4000 A rating with forced cooling
[2] See page 10, 11 and 12 of the Product Guide for exact technical information and configurations
[3] Please contact Eaton for availability
[4] Tested at 50 Hz


Europe, Middle East and Africa | |
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The Netherlands Representing all of EMEA | |
South America | |
Brazil Representing the Mercosul Region | Colombia Representing the Andean Region |
Costa Rica Representing the Central America & Caribbean (CAC) Region | Mexico Representing Mexico |
North America | |
United States Representing United States | Canada Representing Canada |
Asia Pacific | |
Australia Representing Australia, New Zealand, and Southeast Asia | India Representing India |
Singapore Representing all of South East Asia | |