Ref: XH-SUB-2026-0503
XINHUAN
Submittal Package
Anhui XinHuan Electrical Power Equipment Co., Ltd. | Hefei Manufacturing Base
CNAS Test Certified | ISO 9001:2015 | ISO 14001:2015 Registered OEM
SUBMITTAL REF: XH-SUB-2026-0503
Date: 2026-10-14
Standard: IEC 60076 / GB/T 1094 / ANSI C57
R-Core & Audio Transformers
R30-E8208 / ECTHF 18821 30VA Export R-Core Power Transformer
Submittal Specification Datasheet & Engineering Technical Parameters
1. Electrical Technical Parameters & Ratings
| Parameter Specification | Design Rating & Certified Value |
|---|---|
| Power Rating | 30 VA |
| Model Number | R30-E8208 / ECTHF 18821 |
| Input Voltage | Dual 110VAC 50Hz (Red-Black & Yellow-Green, Series 220V / Parallel 110V) |
| Secondary Output 1 | 24 VAC / 0.5A (Gray-Gray) |
| Secondary Output 2 | 13.5 VAC / 0.8A (Blue-Blue) |
| Secondary Output 3 | 13.5 VAC / 0.8A (White-White) |
| Secondary Output 4 | 6 VAC / 1.0A (Green-Green) |
| Electrostatic Shield | Faraday Copper Shield (Yellow/Green Earth Ground) |
| Core Construction | Continuous Grain-Oriented Nippon Steel Silicon Ribbon (Gapless R-Core) |
| Dielectric Isolation | 4,000 V AC Primary-to-Secondary / Core (1 Minute) |
| Temperature Rise | < 30K under continuous full rated load |
| Dimensions (L×W×H) | 78 × 68 × 46 mm |
| Mounting Hole Distance | 68 × 52 mm (M4 Galvanized Footplate) |
| Net Weight | 0.68 kg |
| Manufacturer & Export Entity | ANHUI BUJUAN OVERSEAS INFO-TECH CO., LTD. / Hefei XinHuan Transformer Co., Ltd. |
2. 2D AutoCAD General Arrangement (GA) Drawing & Dimensional Profile
Figure 2.1 — 2D AutoCAD Dimensional Submittal Schematic
Dimensional & Installation Requirements
- Foundational Base: Steel channel Skid / Sub-station Pad Mounting.
- Bushings Orientation: HV top-mounted / side-cabinet entry option.
- Grounding Terminals: Dual M12 copper grounding pads on diagonal corners.
- Enclosure Protection: IP54 Outdoor Corrosive C4/C5 Marine Paint Coating.
- CAD Drawing File: Request `.DXF` or `.DWG` blocks from sales engineering.
3. Factory Acceptance Testing (FAT) & Routine Test Protocol
Every transformer manufactured by XinHuan undergoes 100% routine inspection in accordance with IEC 60076-1 before dispatch. Routine test certificates are included in the shipment package.
1. Winding Resistance Measurement (HV & LV)
2. Voltage Ratio & Vector Group Phase Displacement
3. Short-Circuit Impedance & Load Loss Test
4. No-Load Loss ($P_o$) & Excitation Current Test
5. Separate-Source AC Dielectric Withstand Test
6. Induced Overvoltage Withstand Test (DVWV)
7. Insulation Resistance & Polarization Index (Megger)
8. Hermetic Tank Pressure Leakage & Oil BDV Test
4. Seaport Logistics, Packaging & Warranty Terms
Export Packaging
IPPC fumigated solid wooden crate skid with vacuum moisture foil barrier.
Primary Delivery Ports
CIF Chancay, Callao, Apapa, Mombasa, Manila, Jakarta, Santos, & Valparaiso.
Factory Warranty
36 Months Full Replacement / Factory Engineering Warranty against defects.
Anhui XinHuan Electrical Power Equipment Co., Ltd.
Factory Address: Industrial Park, Hefei City, Anhui Province, China | Export Dept: [email protected]
Submittal Document Code: XH-SUB-2026-0503 — Confidential Technical Datasheet