B-4 Three Phase Autotransformer(UL Certified Products)
Product Specifications
| Product | Dry Type Transformer | IP00 | Transformer without case |
| Phase | Three Phase Transformer | IP20 | Transformer with case |
| Type | Autotransformer Copper Winding |
Ambient Temperature | -10 ~ +40°C |
| Frequency | 50/60Hz | Humidity | 45 ~ 85%RH |
| Capacity | 50VA ~ 1000kVA | Altitude | Under 1000M |
| Polarity | Subtractive polarity | Inspection | Insulation resistance test, Dielectric strength test, |
| CE Certification |
LVD 2014/35/EU | Protective earthing continuity test, | |
| IEC/EN61558-1:2005+A1:2009 | Induced high voltage test, Full load test, |
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| EN61558-2-13：2009 | Function test | ||
| EMC 2014/30/EU | Remark | Customizable | |
| CE Insulation Class |
A(105°C), E(120°C), B(130°C), | ||
| F(155°C), H(180°C) | |||
| UL Certification | E207224 | ||
| UL Insulation Class |
B(130°C), H(180°C) |