| Product Name | Single phase control transformer |
| Product Model | ATOBK-4000VA |
| Winding Material | Enameled copper wire or enameled aluminum wire |
| Capacity | 4000 VA |
| Primary Voltage (VAC) | 110, 120, 208, 220, 230, 240, 380, 400, 480, 110/220, 120/240, 240/480, 220/380/480V, 440/460/480V...(Customized) |
| Secondary Voltage (VAC) | 6, 12, 24, 36, 48, 110/48, 120/24, 208/36, 220/48, 230/36, 240/120, 120/24/12, 110/36/24, 127/36/6, 208/48/36/24...(Customized) |
| Frequency | 50 / 60Hz |
| Insulation Level | F / H |
| Withstand Voltage Test | Primary to secondary 2.5KV/min |
| Primary to safety ground 2.5KV/min |
| Secondary to safety ground 1.5KV/min |
| Insulation Resistance | Primary to secondary 2500V>100 megohm |
| Primary to safety ground 2500V>100 megohm |
| Secondary to safety ground 1500V>100 megohm |
| Induction Withstand Voltage Test | 125Hz/ 800V/min |
| Ground Resistance | 25<A80 milliohm |
| Cooling Method | Natural or air cooling |
| Transformation Ratio | <3% |
| Air Carrying Current | <6% |
| Impedance Voltage | about 6% |
| Total Losses | 0.1 |
| Efficiency | 80%~99% |
| Operating Temperature | -25℃~40℃ (40℃, 93% RH, 56 days) |
| Storage Temperature | -25℃~100℃ (40℃, 93% RH, 56 days) |
| Certificate | CE, ISO |
| Warranty | 12 months |
| Size | Overall size: 210*180*210mm, Hold distance for installation: 150*170mm, Installation hold: 18*8mm |
| Weight | 40kg |