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| Categories | Dry Type Transformer |
|---|---|
| Model Number: | LL-SG |
| Payment Terms: | T/T |
| Supply Ability: | 10000set/month |
| MOQ: | 1 |
| Delivery Time: | 30Days |
| Price: | USD 1000-20000 |
| Packaging Details: | Plywood case |
| Certification: | CE, UL, cUL, TUV |
| Place of Origin: | China |
| Brand Name: | Leilang Electric |
| Company Info. |
| Leilang Electric Group CO.,LTD |
| Verified Supplier |
| View Contact Details |
| Product List |
This 100kVA Three Phase Step Down Isolation Transformer is designed to convert 400V input power to 230V output power for industrial and commercial applications. Operating at 50Hz or 60Hz, it provides electrical isolation between the primary and secondary circuits, helping improve system safety and reduce the transfer of electrical disturbances. With copper windings, Class H insulation, and a low-loss design, the transformer is built for reliable and efficient continuous operation.
| Specification | Details |
|---|---|
| Winding Material | Enameled copper/aluminum wire, copper/aluminum foil (optional) |
| Capacity | 100KVA (100VA~5000KVA can be customized) |
| Primary Voltage | 400V (Voltage not more than 600V can be customized) |
| Secondary Voltage | 230V (Voltage not more than 600V can be customized) |
| Frequency | 50/60Hz |
| Vector Group | DYN11/YYN0 or customized |
| Insulation Level | F/H/C, customized |
| Enclosures Protection Level | IP20 / IP54 / IP56 or NEMA 1 / NEMA 3R / NEMA 3 / NEMA 4 / NEMA 4X, Optional |
| Withstand Voltage Test | Primary to secondary 3.0KV/1min Primary to earth 3.0KV/1min Secondary to earth 3.0KV/1min |
| Insulation Resistance | Primary to secondary >500 MΩ Primary to earth >500 MΩ Secondary to earth>500 MΩ |
| Ground Resistance | 25A<100 mΩ |
| Induced Over-voltage Withstand Test | Double frequency / Double Voltage / 60s |
| Cooling Method | AN / AF |
| Temperature Rise | ≤100K / ≤115K / ≤125K or customized |
| Transformation Ratio | <3% |
| No-load Current | <3% |
| Impedance Voltage | about 4.5% |
| Efficiency | Compliant with DOE |
| Operating Temperature | -15℃～40℃ |
| Storage Temperature | -25℃～60℃ |
| Certificate | ISO9001, UL, TUV |
Product parameters and images are for general reference only and may not reflect all details of your custom configuration, due to custom builds and minor variations between standard models.
Precise specifications for your order are detailed in the specification table and supporting technical documents (CAD files, dimensional drawings, wiring diagrams, etc.). Specific details may differ from images.
Please review all specifications and technical documents before ordering; do not rely solely on product images.
We offer custom-built units with lead times nearly as fast as prebuilt models—contact us for your specific requirements.
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