| Brand | ROCKWILL |
| Model NO. | Single Phase Compact Oil Immersed Power Distribution Transformer |
| Rated voltage | 11kV |
| Rated frequency | 50/60Hz |
| Rated capacity | 125kVA |
| Series | D |
Product Overview
Rockwill's Single Phase Distribution Transformers combine proven engineering with innovative design to deliver unmatched reliability for residential, commercial and industrial applications. Our transformers feature optimized construction and premium materials to ensure superior performance in diverse operating conditions.
Key Features & Benefits
Optimized Thermal Design: 15% better cooling efficiency than conventional models
Short-Circuit Reinforced: Withstands 25x rated current for 2 seconds
Low Noise Operation: <45dB for urban installations
Eco-Friendly Options: Biodegradable ester oil available
Smart Monitoring Ready:Optional IoT connectivity for predictive maintenance
Technical Specifications
Capacity Range: 10kVA to 333kVA
Primary Voltage: Up to 34.5kV
Standards Compliance: IEEE C.57, IEC 60076, ANSI/CSA
Temperature Range: -25°C to +40°C (standard) / Custom designs available
Product Parameters
Reliable Engineering Design
Advanced Spiral Coil Designwith longitudinal oil channels for enhanced heat dissipation
Reinforced Coil Support Systemfor superior short-circuit current resistance
Patented Lifting Structureensures safe transportation and installation
Rigorous Quality Controlwith multiple structural improvements based on decades of field experience
Premium Material Selection
Oxygen-Free Copper Windingswith special surface treatment for reduced load loss
High-Grade Silicon Steel Coreswith ultra-low unit loss for minimized no-load consumption
Industrial-Grade Laminated Wood Insulationmaintains structural integrity under short-circuit conditions
Deep-Filtered Transformer Oilwith minimal moisture/gas content for stable operation
Aging-Resistant Sealsprevent leaks throughout the service life
ISO 9000 Certified Materialsfrom rigorously audited suppliers
Application Scenarios
Urban Power Distribution: Compact designs for space-constrained installations
Rural Electrification: Robust construction for harsh environments
Commercial Complexes: Low-noise operation for sensitive areas
Industrial Parks: High overload capacity for variable loads
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