Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
VNA-10 Russian Type Load Break Switch: Indoor 10kV 630A LBS with earthing switch, visible break design, arc-extinguishing chamber, spring mechanism, 20 operations, 25-year lifespan, -45°C to +40°C.
Advanced VNA-10 Russian Type Load Break Switch: Premium VNA-L-10/630-20zp model featuring visible break design for indoor 10kV 630A three-phase AC 50-60Hz applications, designed for switching on/off loaded circuit sections and earthing disconnected sections using integrated earthing switch, utilizing arc-extinguishing chamber with gas flow from chamber walls for arc quenching, equipped with separate mechanical spring-operated drive using potential energy stored in manually-wound spring, delivering 20 operations at 5% nominal load or 10 operations at full rated breaking current without maintenance, featuring double closing capacity on short-circuit current, designed with zinc-plated and powder-coated steel parts.
Switchgear Ready for Harsh Climates: VNA-10 incorporates 2000 operations mechanical endurance with 25-year service life, suitable for ambient temperatures -45°C to +40°C and altitudes up to 1000m with 75% humidity at 15°C, providing reliable Russian-standard load break switching solution for complete switchgear cabinets, packaged transformer substations, and industrial facilities requiring visible break isolation with earthing capability and proven dependable performance in harsh environments.
| VNA-10 Russian Type Load Break Switch Specifications | Technical Parameters | Unit |
|---|---|---|
| Model Number | ВНА-10 / VNA-L-10/630-20zp | – |
| Brand | Bepto Insulation Systems | – |
| Product Type | Indoor Load Break Switch with Earthing Switch (Russian Type) | – |
| Design Standard | Russian Standard (ВНА Series) | – |
| Rated Voltage | 6 / 10 | kV |
| Rated Current | 630 | A |
| Rated Frequency | 50 / 60 | Hz |
| Number of Phases | Three-Phase | – |
| Break Type | Visible Break | – |
| Arc Extinguishing System | Arc-Extinguishing Chamber with Gas Flow | – |
| Earthing Switch | Integrated Earthing Switch | – |
| Operating Mechanism | Spring-Operated Mechanical Drive (Manual Winding) | – |
| Operations Without Maintenance (Full Load) | ≥10 (at rated breaking current) | Operations |
| Operations Without Maintenance (5% Load) | ≥20 (at 5% nominal current) | Operations |
| Short-Circuit Closing Capacity | Double Rated Closing Current | – |
| Mechanical Endurance | ≥2000 | Operations |
| Service Life | 25 | Years |
| Material Treatment | Zinc-Plated and Powder-Coated Steel Parts | – |
| Ambient Temperature Range | -45°C to +40°C | – |
| Maximum Altitude | ≤1000 | m |
| Relative Humidity | 75% at 15°C, 100% at 25°C | – |
| Environment Type | Industrial Atmosphere Type П | – |
| Installation Position | Vertical (±5° deviation allowed) | – |
| Application | Complete Switchgear Cabinets, Packaged Transformer Substations | – |
Bepto is a leading Chinese company in electrical insulation, focused on developing advanced solutions for future power systems. We support transmission and distribution safety and growth, with long-term partners including State Grid, ABB, Schneider, Siemens, and GE. Our services reach clients in over 22 countries.
Bepto focuses on the global market and provides our clients with products suitable for the local market:
Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
