Description
Key Features & Benefits
- Wide Voltage Range: 2.4kV / 5kV / 15kV / 27kV / 38kV
- Ampacity: 600A to 3000A continuous current ratings
- Switch Type: Fusible load interrupters or custom main switching devices
- Accessibility:
- Rear access for load and line connections
- Optional front access configurations available
- Compartmentalized Design:
- Internal barriers separate bus, cable, and switching zones
- Enhanced arc containment and fault isolation
- Metering Capabilities
- Utility-grade metering integration for U.S. and international standards
- Indoor & Outdoor Enclosures:

- Available in NEMA 1 (indoor) and NEMA 3R (outdoor) ratings
- Optional walk-in or non-walk-in styles
- Custom Engineering:
- Designed and sized to meet dimensional and electrical layout needs
- Seismic Certified:
- Qualified to IEEE 344 and ICC-ES-AC156 response spectrum
- Durable Coatings:
- State-of-the-art powder coating process
- Exceeds 1500-hour salt spray test standard (up to 3000 hours)
Technical Specifications
| Parameter | Value / Options |
|---|---|
| Voltage Rating | 2.4kV to 38kV |
| Ampacity | 600A to 3000A |
| Interrupting Device | Fusible load interrupters (or custom devices) |
| Configuration | Indoor, outdoor (walk-in / non-walk-in) |
| Enclosure Types | NEMA 1, NEMA 3R |
| Phase Configuration | Three-phase |
| Busbar Insulation | Air-insulated |
| Compartmentalization | Yes – bus, cable, switching zones isolated |
| Metering Options | Utility metering compartments available |
| Coating Finish | Powder-coated ANSI 61 gray (custom colors optional) |
| Standards Compliance | ANSI C37.20, C37.20.2/3/5/7, IEEE, NEMA SG-4 |
| Seismic Qualification | IEEE 344, ICC-ES-AC156 |
Application Scenarios
- Primary Substations & Unit Substations
Used as incoming switchgear for medium-voltage substations and transformers. - Utility Grid Interface
Integrated with metering and protection devices for utility acceptance. - Industrial & Infrastructure Projects
Ideal for manufacturing plants, data centers, airports, railways, and hospitals. - Outdoor Power Distribution
Rugged NEMA 3R enclosures withstand harsh environments including moisture, dust, and temperature variations.
Why Choose Our Metal-Enclosed Switchgear?
| Feature | Our Advantage |
|---|---|
| Complete Customization | Tailored to your layout, power rating, and protection needs |
| Compartmental Design | Enhances safety and reduces maintenance effort |
| Indoor & Outdoor Ready | Built for rugged and space-limited environments |
| Certified Quality | UL / CSA / ANSI / IEEE / NEMA / Seismic-compliant |
| OEM/ODM Friendly | Branding & customization services available |
| Fast Delivery | Backed by our lean production and engineering support |

