As a dry type transformer supplier and factory, we provide industrial-grade solutions for power distribution, equipment integration, and customized electrical systems. Dry-type distribution transformers are commonly used across commercial and industrial installations, including data centers, renewable energy sites, and utility-related projects. For B2B buyers, the key selection factors usually include rating, voltage class, cooling method, insulation system, dimensions, and test documentation.
Dry type transformers use air instead of liquid as the cooling medium, and they are widely chosen for indoor power distribution where clean operation, lower fire risk, and reduced maintenance are important. We support OEM/ODM production, export trade requirements, and project-based customization for voltage, kVA rating, enclosure, wiring method, and installation conditions.
HAIRUI position ourselves as a China factory and dry type transformer manufacturer focused on B2B supply, export cooperation, and customization. Instead of using generic retail-style descriptions, we support OEM/ODM workflows, drawing confirmation, technical communication, and documentation preparation for overseas procurement teams.
Factory-based manufacturing for stable production control.
OEM/ODM support for voltage, structure, terminals, and branding.
Export trade experience for overseas buyers and project orders.
Industrial-grade solutions for equipment manufacturers and integrators.
Technical response with drawings, PDF datasheets, and specification confirmation.
Lead time coordination based on standard models and custom orders.
Dry Type Transformer products are designed for reliable indoor and industrial power distribution. As a manufacturer and exporter in China, we support standard models and custom-built solutions for panel builders, machinery makers, EPC contractors, and overseas distributors.
Our supply scope can cover:
Dry type distribution transformer for plant and building power distribution.
Custom dry type transformer for automation equipment and integrated systems.
OEM/ODM transformer solutions for export projects and private-label cooperation.
Industrial transformer configurations based on voltage, installation space, duty cycle, and environmental conditions.
| Rated Capacity (kVA) | L | W | H | D | A | |
| 50 | 1180 | 750 | 1010 | 820 | 820 | |
| 100 | 1210 | 780 | 1060 | 820 | 820 | |
| 160 | 1260 | 800 | 1100 | 820 | 820 | |
| 200 | 1310 | 840 | 1100 | 820 | 820 | |
| 250 | 1370 | 880 | 1170 | 820 | 820 | |
| 315 | 1420 | 880 | 1230 | 820 | 820 | |
| 400 | 1450 | 910 | 1280 | 820 | 820 | |
| 500 | 1470 | 910 | 1380 | 820 | 820 | |
| 630 | 1545 | 950 | 1495 | 820 | 820 | |
| 800 | 1600 | 980 | 1560 | 820 | 820 | |
| 1000 | 1620 | 1050 | 1560 | 950 | 820 | |
| 1250 | 1760 | 1050 | 1560 | 950 | 820 | |
| 1600 | 1800 | 1070 | 1660 | 950 | 820 | |
| 2000 | 1840 | 1100 | 1710 | 1070 | 950 | |
| 2500 | 1900 | 1160 | 1880 | 1070 | 1070 | |
| 3150 | 1980 | 1240 | 1920 | 1070 | 1070 | |
| Note:As product dimensions may be continuously improved,the outline dimensions provided in this sample are for reference only.For special dimensions,we can design and manufacture according to user requirements.Please contact our company in a timely manner! The voltage can be interchanged between 20kV and 10kV,and the technical parameters comply with the standards of 20kV class. | ||||||
| Rated high voltage:20kV Rated low voltage:0.4kV | Connection Group:Dyn11 or Yyn0 | |||||||||
| Insulation Level:L1125AC50/L10AC3 | ||||||||||
| High voltage tapping range:±5%or 2×2.5% | ||||||||||
| Rated Capacity (KVA) | Voltage Combination(kV) | Connection Group Designation | No-load Loss(kW) | Load Losses(kW)under Different Insulation Temperature Resistance Grades | No-load Current % | Short-circuit Impedance UK(%) | ||||
| High Voltage | High voltage tapping range | Low Voltage | B(100℃) | F(120℃) | H(145℃) | |||||
| 50 | 20 22 24 | ±5 ±2×2.5 | 0.4 | Dyn11 Yyn0 | 0.380 | 1.230 | 1.300 | 1.390 | 2.4 | 6.0 |
| 100 | 0.600 | 1.980 | 2.100 | 2.250 | 1.8 | |||||
| 160 | 0.750 | 2.470 | 2.600 | 2.800 | 1.8 | |||||
| 200 | 0.820 | 2.950 | 3.100 | 3.310 | 1.6 | |||||
| 250 | 0.940 | 3.440 | 3.500 | 3.910 | 1.5 | |||||
| 315 | 1.080 | 4.100 | 4.300 | 4.600 | 1.4 | |||||
| 400 | 1.280 | 4.900 | 5.100 | 5.460 | 1.4 | |||||
| 500 | 1.500 | 5.800 | 6.100 | 6.500 | 1.2 | |||||
| 630 | 1.700 | 6.880 | 7.200 | 7.750 | 1.2 | |||||
| 800 | 1.950 | 8.230 | 8.700 | 9.300 | 1.2 | |||||
| 1000 | 2.300 | 9.720 | 10.300 | 11.000 | 1.0 | |||||
| 1250 | 2.650 | 11.500 | 12.150 | 13.000 | 1.0 | |||||
| 1600 | 3.100 | 13.780 | 14.600 | 15.650 | 1.0 | |||||
| 2000 | 3.600 | 16.300 | 17.250 | 18.500 | 0.8 | |||||
| 2500 | 4.300 | 19.350 | 20.400 | 21.800 | 0.8 | |||||
| 2000 | 3.600 | 17.800 | 18.800 | 20.000 | 0.8 | 8.0 | ||||
| 2500 | 4.300 | 21.300 | 22.400 | 23.900 | 0.8 | |||||
| Note:The load losses listed in the table are values at the reference temperature in parentheses(as specified in GB1094.11). | ||||||||||
Partner with HAIRUI, your trusted Electrical Switchgear Manufacturer in Voltage Switchgear, Transformer, Current Transformer, Box Type Substation.
With over 21 years of experience and exports to 27 countries, we ensure 98% customer satisfaction worldwide.
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A dry type transformer is an air-cooled transformer that does not use liquid insulation, and it is commonly selected for indoor installations where cleaner operation and lower fire risk are preferred.
Yes. Engineering buyers usually need a dry type transformer PDF that includes rating, voltage ratio, dimensions, weight, cable data, and other specification items for internal review and approval.
Project specifications commonly require technical items such as efficiency, regulation, insulation-related data, cable rating, dimensions, and other rated parameters to be documented for review. The exact testing scope should match the project specification, destination market, and customer agreement.
Yes. A practical dry-type transformer chart should compare kVA rating, primary and secondary voltage, cooling type, insulation class, and dimensions because those are core selection fields in dry type transformer specifications.
Dry-type transformer ratings are usually centered on kVA, voltage class, cooling method, insulation class, and temperature rise. For larger projects, buyers may also review impedance, enclosure style, and installation layout during model selection.
Yes. Dry type distribution transformers are widely used in commercial and industrial power distribution, including data centers, renewable energy installations, and substations.