NEMA 3R Three Phase Isolation Transformer 100VA-5000KVA Capacity with IP23 Protection and 80-99% Efficiency
NEMA 3R Three Phase Isolation Transformer with IP23 protection rating, available in pure copper or aluminum winding construction. Designed for industrial applications requiring reliable power isolation and environmental protection.
- Available as open-type or protected-type configurations with low wear and tear operation
- Low noise performance with excellent fireproof characteristics and pollution-free operation
- Iron core constructed from cold rolled silicon steel sheets with secure clamping systems
- High-quality oxygen-free copper/aluminum wire windings ensure operational stability
- Vacuum insulation impregnation enhances safety and extends service life
| Parameter | Specification |
|---|---|
| Product Model | SG/QZB/SBK/Power transformer/ZSG/SBDG/EPS UPS |
| Winding Material | Enameled copper wire or enameled aluminum wire |
| Capacity Range | 100VA to 5000KVA |
| Input Voltage | 415V or customized |
| Output Voltage | 380V or customized |
| Frequency | 50/60Hz |
| Connection Type | DYN11/YYN0 |
| Insulation Level | F/H |
| Enclosures Protection Level | IP00 or higher |
| Temperature Rise | ≤115K |
| Efficiency | 80% to 99% |
| Operating Temperature | -15℃ to 40℃ |
Yes, we welcome sample orders to test and verify product quality.
Sample orders: 3-7 days, shipped via DHL, UPS, FedEx. Mass production: 7-25 days.
24 months from B/L date. We provide free replacement for damaged accessories with photo documentation and technical support as needed.
Yes, we offer comprehensive customization including colors, functions, packaging, and logo printing (MOQ: ≥10pcs).
All products hold CE certification with professional engineering oversight. Strict production adherence to specifications, regular QC inspections, and comprehensive performance testing throughout manufacturing.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.