Dry-Type Transformer Manufacturer — Build-to-Print from China
Riches Hardware Co., Ltd — Custom UL 1561 Transformers for North American Projects | 15kVA-3000kVA | IEEE C57.12.01 Compliant
Riches Hardware Co., Ltd (集业达机电科技（惠州）有限公司) is a China-based factory-direct manufacturer of UL891 switchboards and UL508A control panels for U.S. industrial equipment exporters. We specialize in custom-engineered UL 1561 dry-type transformers for commercial, industrial, and renewable energy applications.
UL 1561 certified. Our transformers are designed and manufactured to meet IEEE C57.12.01, NEMA standards, and NEC Article 450 requirements. Each unit is factory-tested and ships with complete documentation including test reports, nameplate data, and installation manuals.
Product Specifications
Capacity Range
15kVA - 3000kVA
Voltage Class
Up to 35kV
Frequency
50/60 Hz
Cooling Method
AN/AF (Air Natural/Air Forced)
Insulation Class
H (180°C) / F (155°C)
Enclosure Type
NEMA 1 / 3R / 4X
Factory-Direct Advantages
UL 1561 Certified
All transformers are UL listed and comply with IEEE C57.12.01 standards for dry-type transformers.
Wide Capacity Range
15kVA to 3000kVA capacity, voltage class up to 35kV. Suitable for commercial, industrial, and renewable energy applications.
Factory Direct Pricing
Manufactured in our 50,000 sqm facility in Huizhou, China. 15-30% cost savings compared to trading companies.
Quality Assurance
100% factory testing including insulation resistance, turns ratio, impedance, and temperature rise tests.
Complete Documentation
Every transformer ships with test reports, nameplate data, installation manuals, and compliance certificates.
North America Expertise
Since 2008, delivering to USA and Canada. Familiar with NEC, IEEE, and NEMA standards.
Frequently Asked Questions
What is the lead time for dry-type transformers?
Standard catalog transformers: 4-6 weeks production plus 4-6 weeks ocean freight. Custom transformers: 8-12 weeks production plus 4-6 weeks shipping.
Do you offer step-up transformers for solar farms?
Yes. We manufacture distribution transformers and pad-mounted transformer stations suitable for solar farm and wind energy grid-tie applications. Our transformers comply with IEEE and NEMA standards.
What certifications do your transformers have?
Our transformers are UL listed (UL 1561), cUL certified for Canada, and comply with IEEE C57.12.01, NEMA standards, and NEC Article 450 requirements.
Can you provide custom voltage ratios?
Yes. We offer custom voltage ratios and configurations to match your specific application requirements. Our engineering team will work with you to design the optimal transformer for your project.
Need a Custom Transformer Solution?
Our engineering team can design custom UL-certified transformers for your unique application. Share your voltage requirements, capacity needs, and compliance standards — we will provide a detailed proposal within 24 hours.
Discuss Your Project