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.
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
Applications
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 |
| Weight | 18.5 kg |
|---|---|
| Dimensions | 20 × 22 × 48 cm |
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