High-quality ZTelec dry-type isolation transformers, voltage options 480V–480V/380V/220V, capacities from 100kVA to 1000kVA. Ideal for industrial and commercial power systems. CE & ISO certified. Customizable solutions.
ZTelec’s 480V to 480V/380V/220V three-phase dry-type isolation transformers are engineered for superior performance, safety, and reliability. With capacities ranging from 100kVA to 1000kVA, they are widely used in industrial plants, commercial facilities, data centers, and renewable energy systems where voltage transformation and electrical isolation are essential.
Our transformers adopt high-quality silicon steel laminations, copper (or aluminum) windings, and advanced vacuum pressure impregnation (VPI) technology to ensure low noise, low losses, and long service life.
✅Voltage Options: Primary: 480V; Secondary: 480V, 380V, or 220V
✅Rated Capacity: 100kVA – 1000kVA
✅Type: Three-phase, dry-type, isolation transformer
✅Insulation Class: F or H
✅Cooling Method: AN (Air Natural)
✅Frequency: 50Hz or 60Hz
✅Connection Method: Delta/Star (Δ/Y) customizable
✅Standard Compliance: IEC, ANSI, GB, CE, ISO9001
✅ Safe Electrical Isolation: Protects personnel and sensitive equipment
✅ Low Noise & Low Loss: High efficiency core and windings
✅ Maintenance-Free: No oil required, environmentally friendly
✅ Compact & Durable: Suitable for harsh environments
✅ Custom Design Available: Tailored to your power system requirements
CNC machinery and automation systems
Solar and wind power integration
Medical equipment and laboratories
Data centers and control rooms
Offshore platforms and marine power systems
Industrial manufacturing lines
With over 60 years of experience in electrical insulation and power equipment manufacturing, ZTelec is your reliable partner for high-performance transformer solutions. We offer factory-direct pricing, fast delivery, and professional technical support worldwide.
| Rated capacity (kVA) | Voltagegroup | Impedance voltage(%) | SC(B)10 | Sound leve (dB) | Dimension(mm) | Weight(kg) | ||||||
| HV(kV) | Tap range | LV(kV) | No-loadloss (W) | Loadloss120℃ (W) | No-load curren (%) | L | W | H | ||||
| 30 | 10 11 10.5 6.6 6.3 6 | ±2×2.5% ±5% | 0.4 | 4 | 190 | 710 | 2.0 | 44 | 620 | 400 | 600 | 220 |
| 50 | 270 | 1000 | 2.0 | 44 | 650 | 400 | 740 | 320 | ||||
| 80 | 370 | 1380 | 1.5 | 45 | 750 | 500 | 770 | 460 | ||||
| 100 | 400 | 1570 | 1.5 | 45 | 800 | 500 | 830 | 580 | ||||
| 125 | 470 | 1850 | 1.3 | 46 | 950 | 880 | 1090 | 750 | ||||
| 160 | 540 | 2130 | 1.3 | 46 | 950 | 880 | 1090 | 780 | ||||
| 200 | 620 | 2530 | 1.1 | 47 | 1050 | 900 | 1200 | 850 | ||||
| 250 | 720 | 2760 | 1.1 | 48 | 1050 | 900 | 1200 | 1030 | ||||
| 315 | 880 | 3470 | 1.0 | 48 | 1080 | 900 | 1250 | 1060 | ||||
| 400 | 980 | 3990 | 1.0 | 49 | 1110 | 950 | 1270 | 1400 | ||||
| 500 | 1160 | 4880 | 1.0 | 49 | 1130 | 950 | 1380 | 1550 | ||||
| 630 | 1340 | 5880 | 0.85 | 49 | 1200 | 950 | 1450 | 1820 | ||||
| 630 | 6 | 1300 | 5960 | 0.85 | 50 | 1320 | 950 | 1375 | 1850 | |||
| 800 | 1520 | 6960 | 0.85 | 51 | 1310 | 1000 | 1315 | 2150 | ||||
| 1000 | 1770 | 8130 | 0.85 | 52 | 1400 | 1070 | 1520 | 2550 | ||||
| 1250 | 2090 | 9690 | 0.85 | 53 | 1440 | 1150 | 1570 | 3020 | ||||
| 1600 | 2450 | 11730 | 0.85 | 54 | 1650 | 1200 | 1795 | 4500 | ||||
| 2000 | 3050 | 14450 | 0.7 | 55 | 1800 | 1260 | 1870 | 5300 | ||||
| 2500 | 3600 | 17170 | 0.7 | 56 | 1950 | 1260 | 2035 | 6200 | ||||
| Rated capacity (kVA) | Voltagegroup | mpedance voltage(%) | SC(B)11 | Sound eve (dB) | Dimension(mm) | Weight(kg) | ||||||
| HV(kV) | Tap range | LV(kV) | No-loadloss (W) | Loadloss120℃ (W) | No-load current (%) | L | W | H | ||||
| 30 | 10 11 10.5 6.6 6.3 6 | ±2×2.5% ±5% | 0.4 | 4 | 170 | 710 | 2.0 | 44 | 620 | 400 | 600 | 220 |
| 50 | 250 | 1000 | 2.0 | 44 | 650 | 400 | 740 | 320 | ||||
| 80 | 330 | 1380 | 1.5 | 45 | 750 | 500 | 770 | 460 | ||||
| 100 | 360 | 1570 | 1.5 | 45 | 800 | 500 | 830 | 580 | ||||
| 125 | 420 | 1850 | 1.3 | 46 | 950 | 880 | 1090 | 750 | ||||
| 160 | 490 | 2130 | 1.3 | 46 | 950 | 880 | 1090 | 780 | ||||
| 200 | 560 | 2530 | 1.1 | 47 | 1050 | 900 | 1200 | 850 | ||||
| 250 | 650 | 2760 | 1.1 | 48 | 1050 | 900 | 1200 | 1030 | ||||
| 315 | 790 | 3470 | 1.0 | 48 | 1080 | 900 | 1250 | 1060 | ||||
| 400 | 880 | 3990 | 1.0 | 49 | 1110 | 950 | 1270 | 1400 | ||||
| 500 | 1040 | 4880 | 1.0 | 49 | 1130 | 950 | 1380 | 1550 | ||||
| 630 | 1210 | 5880 | 0.85 | 49 | 1200 | 950 | 1450 | 1820 | ||||
| 630 | 6 | 1170 | 5960 | 0.85 | 50 | 1320 | 950 | 1375 | 1850 | |||
| 800 | 1370 | 6960 | 0.85 | 51 | 1310 | 1000 | 1315 | 2150 | ||||
| 1000 | 1590 | 8130 | 0.85 | 52 | 1400 | 1070 | 1520 | 2550 | ||||
| 1250 | 1880 | 9690 | 0.85 | 53 | 1440 | 1150 | 1570 | 3020 | ||||
| 1600 | 2210 | 11730 | 0.85 | 54 | 1650 | 1200 | 1795 | 4500 | ||||
| 2000 | 2750 | 14450 | 0.7 | 55 | 1800 | 1260 | 1870 | 5300 | ||||
| 2500 | 3240 | 17170 | 0.7 | 56 | 1950 | 1260 | 2035 | 6200 | ||||
1. What certificates do your transformers have?
CE, CB, ISO, Test certificates.
2. What is the capacity of the transformers you provide?
50-20000kva. We can provide customized services for various transformers within the range!
3. How long is the warranty period of the transformer?
We provide a 12-month warranty period.
4. How long is the delivery time and delivery time of the transformer?
After receiving the advance payment, the production cycle is 15-25 days. The transportation cycle should be calculated according to your region and mode of transportation.
5. Which countries do you export your products to?
We support global supply, and our products have been exported to more than 60 countries, Southeast Asia, the Middle East, South America, Africa, Americas
Email: support@ztelecgroup.com
WhatsApp / WeChat: +86 13137718313
Website: www.ztelecpro.com
Need a transformer with special requirements? ZTelec offers full OEM & ODM customization services. Send us your specifications today!
