Ryan SCB Series
Ryan SCB series cast-resin dry-type transformers, 10/20/35 kV — genuine factory-built unit made available through our partnership network, with 24-hour response on stock and lead time for customers worldwide.
Genuine Ryan SCB Series from SENTRADO
These units are genuine Ryan products made available through our partnership network, supplied with FOB, CIF or DDP terms, type-test certificates and full export documentation. SENTRADO (Beijing Xinshentuo Technology Co., Ltd.) is an industrial automation and electrical-equipment export company with 25+ years of experience. Ryan transformers and switchgear are made available through our partnership network, with type-test and export documentation. We reply within 24 hours with a human response on stock and lead time — contact us for live stock & lead time.
Cast-resin dry-type transformers are preferred where fire safety, indoor installation and low maintenance are required — with E2/C2/F1 environmental classes per IEC 60076-11.
Supply assurance
Available through our partnership network
Ryan transformers and switchgear are made available through our partnership network as genuine factory-built units, with type-test certificates and full export documentation.
Engineered to your single-line diagram
Our engineers verify capacity, voltage class, vector group, cooling and protection rating against your specification before production release.
24-hour human response
We reply within 24 hours to confirm production slot and lead time — contact us for live stock & lead time before ordering.
Sources: official manufacturer product pages and technical documentation.
Technical specifications
Parameters below are taken from official Ryan product pages and technical catalogs.
| Product | SCB series epoxy cast-resin dry-type transformers |
|---|---|
| Standard | IEC 60076-11; GB, IEEE, DOE and BS standards available |
| Capacity range | 50 kVA to 31,500 kVA (up to 40 MVA) |
| Primary voltage | 6-13.2 kV / 20-24 kV / 35-38.5 kV (10/20/35 kV classes) |
| Secondary voltage | 0.22-0.6 kV (custom ratios) |
| Tap changer | Off-circuit taps, +/-2x2.5% |
| Vector groups | Dyn11, Yd11, Yyn0 (per requirement) |
| Impedance | 4-6% typical, per rating |
| Cooling | AN natural air; AF forced air with fans |
| Insulation / temperature rise | Class F 155 C (Class H option); temperature rise 90-125 K |
| Environmental classes | E2 / C2 / F1 per IEC 60076-11 |
| Partial discharge | 5 pC or less |
| Enclosure options | IP20-IP54 / NEMA 1, 2, 3R |
| Minimum ambient temperature | -25 C |
| Certifications | UL/cUL, CE, ASTA (also DEKRA, KEMA, CSA) |
Only parameters confirmed on official Ryan sources are listed. Contact our engineers for custom ratings, enclosures, accessories and type-test documentation.
Compatibility & supply
Three ways our team supports your Ryan SCB Series requirement: genuine article supply, engineering/configuration checks and complete-BOM handling.
Genuine factory equipment
Ryan transformer are made available through our partnership network as genuine factory-built units. Share your single-line diagram and our engineers verify the design before production release.
Selection & engineering support
Verify capacity (kVA), primary voltage (10/20/35 kV class), secondary voltage, vector group (Dyn11/Yyn0), cooling (AN/AF) and enclosure rating (IP20-IP54) against your single-line diagram. Our engineers review your specification and confirm ratings, certificates and documentation.
Complete substation package
We can quote the complete package — transformers, switchgear, enclosures and accessories — in one shipment with export-grade packaging and type-test documents.
Typical applications
Cast-resin dry-type transformers are preferred where fire safety, indoor installation and low maintenance are required — with E2/C2/F1 environmental classes per IEC 60076-11.
- Indoor substations and commercial building distribution
- Hospitals, data centers and underground facilities
- Renewable-energy plants and industrial MV/LV substations
- Replacing oil-filled units where fire risk is a concern
- Export projects requiring UL/cUL or CE documentation
Supply & delivery
Genuine & sourced right
Genuine Ryan equipment supplied through our partnership network, with type-test certificates and export documentation.
24-hour response
Every inquiry gets a human reply within 24 hours confirming stock and lead time. Formal quotations follow manufacturer inquiry.
Stock & lead time
Availability changes daily. Contact us for live stock & lead time — express air freight for line-down emergencies.
Global export
Worldwide shipping on FOB, CIF or DDP terms with export-grade packaging and full documents — Middle East, Southeast Asia, Africa and South America.
Frequently asked questions
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Related models we supply
More genuine articles we supply through authorized channels and our partnership network.
کاربردهای بازار ایران
SENTRADO محصولات اصلی زیمنس را با مستندات فنی کامل و پشتیبانی فنی 24 ساعته برای مشتریان صنعتی در ایران تامین میکند.
ترانسفورماتورها و سیستمهای ذخیرهسازی انرژی در پروژههای نیروگاه خورشیدی و شبکههای توزیع برق ایران کاربرد فزایندهای دارند.
Need Ryan SCB Series fast?
Send us the article number and quantity — we reply within 24 hours with stock and lead-time confirmation. Contact us for live stock & lead time.