HT-MV Series Medium-Voltage Switchgear
Arc-resistant medium-voltage switchgear engineered for the most demanding utility and industrial applications.
Overview
The HT-MV Series delivers robust medium-voltage power switching and protection for substations, industrial plants, and large commercial facilities. Built with vacuum circuit breaker technology and arc-resistant construction rated to IEEE C37.20.7 Type 2B, the HT-MV Series ensures operator safety and uninterrupted power delivery. Available in both fixed-mount and drawout configurations from 4.76 kV through 38 kV.
Key Features
- Arc-resistant construction rated to IEEE C37.20.7 Type 2B (accessibilty types 1, 2, and 2B)
- Vacuum circuit breaker technology with 10,000 mechanical operations life
- Drawout and fixed-mount configurations available
- Integrated NanoGrid IQ connectivity for remote monitoring and diagnostics
- Modular design for rapid field expansion and reconfiguration
- Seismic qualification to IEEE 693 High Level
Technical Specifications
| Specification | Value |
|---|---|
| Voltage Class | 4.76 kV / 8.25 kV / 15 kV / 27 kV / 38 kV |
| Continuous Current | 1,200 A / 2,000 A / 3,000 A |
| Short-Circuit Rating | 25 kA / 40 kA / 50 kA (symmetrical) |
| BIL Rating | 60 kV / 95 kV / 110 kV / 150 kV / 200 kV |
| Enclosure Rating | NEMA 1, NEMA 3R (outdoor option) |
| Dimensions (per section) | 90"H x 36"W x 84"D (2,286 x 914 x 2,134 mm) |
| Weight (per section) | Approx. 2,800 lbs (1,270 kg) |
| Operating Temperature | -30 C to +55 C |
| Standards Compliance | IEEE C37.20.2, ANSI C37.06, IEC 62271-200 |
| Protection Relays | Integrated multifunction digital relays with IEC 61850 communications |
Applications
Certifications & Compliance
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