Wafr 38 kV Metal-Clad Switchgear provides reliable power distribution, protection and control for 34.5 kV systems.
The equipment combines drawout vacuum circuit breakers, insulated copper bus, grounded metal compartmentalization, numerical protection and advanced automation in a robust metal-clad construction.
It is suited to utility substations, mining facilities, large industrial plants, renewable generation, battery-energy-storage projects, data centres and other high-demand facilities.

| Parameter | Standard Ratings |
|---|---|
| Equipment class | 38 kV |
| Typical system voltage | 34.5 kV |
| Frequency | 60 Hz |
| Phases | 3 |
| Main bus | 630 / 1200 / 2000 / 3000 A |
| Higher bus rating | Available where specified |
| Breaker continuous current | 630 / 1200 / 2000 / 3000 A |
| Short-circuit rating | 25 / 31.5 / 40 kA |
| Basic Impulse Level | 150 kV typical |
| Circuit breaker | Drawout vacuum |
| Bus conductor | Copper |
| Ground bus | Continuous copper |
| Control voltage | 125 Vdc typical |
| Indoor | Available |
| Outdoor | Available |
| Arc-resistant | Available |
Main and Tie Arrangements
Main breaker, main-tie-main, bus sectionalizing, double-ended substations
Feeder and Transformer
Feeder distribution and transformer primary switchgear
Incoming
Utility incoming, generator incoming and utility interconnection
Renewable and BESS
Renewable and BESS collector systems
Arc-Resistant
Certified and tested to IEEE C37.20.7
Product Composition
Each lineup provides compartmentalization between:
Insulated copper bus and a continuous copper grounding system provide robust electrical performance.
Product Features
Arc-resistant versions are certified and tested in accordance with IEEE C37.20.7. Available features include: