Fabricante de equipos de distribución eléctrica
+86 17756594153
bryanthu@kebang2022.com
SG-50KVA-500KVA
Our company adopts high quality materials and advanced technology to professionally produce three-phase transformers. This product is widely used in various power supply places where the AC 50-60hz input and output voltage does not exceed 700v.
✓ High efficiency:(≥95%) reduces power loss and optimizes performance
✓ High precision:(±5%) input and output voltage accuracy maintained within ±5%
✓ Protection features: overvoltage protection, undervoltage protection, overload protection, over-temperature protection, short-circuit protection
✓ Customizable voltage: tailored products available with any voltage customized according to customer requirements
✓ Sensitive display: full-color LED screen for real-time monitoring of input and output voltages
✓ Low noise: ≤50 decibels, suitable for home and office environments
✓ Wide operating range: -15°C to 50°C, compatible with multiple countries including tropical regions
✓ Quality certification: complies with CE and ISO safety standards
✓ Warranty guarantee: 1-year warranty card included for models 1–10kVA; 2-year warranty card included for models above 10kVA
Rated frequency | 50/60HZ |
Short circuit impedance (%) | 4 |
Insulation class | F |
Insulation level | Phase-to-phase and each phase-to-ground, to iron core pressure:AC：3kV 1min Measure with a 1000V megohmmeter: the phase of the winding-ground ≥200MΩ; the core-clamp and the ground ≥2MΩ (remove the grounding plate when measuring) |
Core Magnetic Density (T) | 14000 |
Noise (Sound Pressure Level: dB) | ≤50 (1m away from the body) |
Transformer body and output temperature rise (K) | 45K |
Cooling method | AN/AF |
Outlet row | Terminal |
Factory test | According to national standards and this technical agreement |
Packaging | English manual,export wooden box packaging (moisture-proof and rain-proof measures should be taken, and the transformer must not be damaged during transportation) |
Type | Dry type transformer |
Winding structure and number of groups | Cylindrical three windings |
Shape structure | Vertical |
Core form | EI type |
Output voltage accuracy | ±3% |
Voltage change rate | ≤1.5% |
Output waveform distortion | No distortion (compared to the input waveform) |
Working efficiency | ≥98% |
Overload capability
| Allows 2 hours of work over 1.2 times rated load |
Insulation resistance | ≥500MΩ |
Impedance voltage % | ≤ 4% |
In and out line mode | Lower in and out line |
Design life | 15-20 years |
Working environment
| Temperature: -40~+45°C, Humidity: ≤95%RH No condensation |
Applicable altitude | ≤4000m |
Enclosure protection rating | IP23 |
Workplace | The installation site should have no gas that seriously affects the insulation strength of the transformer, steam, chemical deposits, dirt, conductive dust, and other explosive, flammable and corrosive substances |
