12kV to 40.5kV indoor and outdoor assemblies
MV Switchgear
Medium-voltage switchgear, ring main units, and outdoor switchboxes engineered for industrial substations, utility distribution, and new energy sites, with flexible relay, busbar, and metering integration.
Product Overview
Air and SF6 insulated options
Rated voltage up to 40.5kV, suitable for coastal, dusty, and high-altitude sites.
Flexible protection relay
Overcurrent, earth-fault, and differential relays from ABB, Siemens, SEL, or equivalent brands.
Mechanical and electrical interlocks
Five-position interlock scheme prevents misoperation during operation.
Custom busbar and metering
Main and tie busbar schemes, plus CT/PT metering compartments matched to project one-line diagrams.
Representative Models
Technical Specifications
| Rated voltage | 12kV / 24kV / 40.5kV |
|---|---|
| Rated current | 630A – 4000A |
| Short-circuit current | 25kA / 31.5kA |
| Protection class | IP4X – IP5X (IP65 outdoor) |
| Standards | GB 1984, GB 3906 |
Typical Applications
Industrial parks
Main distribution and sectioning for manufacturing campuses.
Utility substations
Ring network and radial distribution nodes.
Renewable sites
Collector cabinets for solar and wind farms.
Standards & Certifications / Market Access
Depending on product line and destination, CE, CCC, ISO 9001/14001/45001, IEC 61439 compliance documentation, plus market-access support (SASO for Middle East, SNI / PLN for Indonesia) can be prepared.
Project Confirmation
Environmental adaptation
High-temperature (≥50°C), dust-proof, and high-altitude sites — confirmed during technical review.
Component brand confirmation
ABB, Siemens, SEL, or equivalent brands confirmed against buyer AVL before production.
Standards and certification confirmation
Destination-country market access (e.g. SASO for Middle East) confirmed before order confirmation.
Delivery Documents & Service Boundary
- 18-month standard warranty from bill of lading date
- IEC / GB aligned production with archived factory test records
- English and Chinese documentation shipped with cargo (single-line diagram, wiring diagram, test report, operation manual, certificates)
- Third-party inspection welcomed (SGS, BV, TÜV, Intertek)
- Standard lead time 30–45 days; custom configurations confirmed at quotation
- After-sales support by email, WhatsApp, and video call; on-site dispatch via distributor network when needed