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.
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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.
