Description
VR3-3 Three-Phase Variac
The VR3-3 is a three-phase variable autotransformer (Variac) designed for smooth and continuous AC voltage regulation. It provides adjustable output voltage for laboratory testing, industrial applications, equipment commissioning, and voltage control systems.
VR3-3 Three-Phase Variac
Technical Specifications
| Parameter |
Specification |
| Model |
VR3-3 |
| Type |
Three-Phase Variable Autotransformer |
| Rated Capacity |
3 kVA |
| Input Voltage |
380 VAC, 3-Phase |
| Output Voltage |
0–520 VAC |
| Frequency |
50/60 Hz |
| Maximum Output Current |
3.3 A |
| Power Factor |
0.8 |
| Winding Material |
100% Copper |
| Insulation Resistance |
> 10 MΩ |
| Dielectric Strength |
2 kV / 1 Minute |
| Operating Temperature |
< 40°C |
Features
- Continuous and stepless voltage adjustment
- Three-phase operation
- High-quality copper winding construction
- Compact and durable design
- Reliable carbon-brush contact system
- Suitable for laboratory and industrial use
Applications
- Electrical testing laboratories
- Motor and transformer testing
- Production line voltage adjustment
- Equipment commissioning
- Research and development projects
- Industrial maintenance
Model Information
| Model |
Capacity |
Phase |
Input Voltage |
Output Voltage |
Max Current |
| VR3-3 |
3 kVA |
3-Phase |
380 V |
0–520 V |
3.3 A |
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