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OSG dry type low voltage isolation electrical autotransformers are specialized products designed for import and export applications that require specific voltage environments. These units offer significant advantages for a wide range of loads, capable of handling instantaneous overloads and operating continuously for long periods.
| Phase No. | Type | Capacity (KVA) | External Dimensions (H*W*D) |
|---|---|---|---|
| Three-phase | OSG-1 to OSG-5 | 1 to 5 | Various |
| OSG-6 to OSG-15 | 6 to 15 | 450*320*500 | |
| OSG-20 to OSG-30 | 20 to 30 | 530*350*580 | |
| OSG-35 to OSG-50 | 35 to 50 | 650*350*600 | |
| OSG-60 to OSG-90 | 60 to 90 | 750*400*700 | |
| OSG-100 to OSG-160 | 100 to 160 | 850*500*800 | |
| OSG-180 to OSG-250 | 180 to 250 | 1000*550*1000 | |
| OSG-320 to OSG-350 | 320 to 350 | 1100*600*1100 | |
| OSG-400 | 400 | 1200*600*1200 | |
| OSG-500 to OSG-600 | 500 to 600 | 1300*700*1300 |
| Working Frequency | 50/60HZ |
| Current without load | <4% |
| Withstand voltage strength | 2000V 1min without puncture |
| Insulated grade | F (Custom design available) |
| Insulated resistance | ≥2MΩ |
| Connection model | Y/Y0, △/Y0, auto-transformer |
| Coil allowable temp range | 80K |
| Cooling mode | Naturally cool |
