Isolating transformer
ETTK 250 - Discontinued items – not for new applications
Characteristics
Benefits
› Safe galvanic isolation
› Integrated short-circuit and overload protection
› Very good moisture protection and low noise thanks to resin encapsulation
› High degree of protection
› Carry handle, shockproof socket for portable application
| Product | Isolating transformer |
| Order number | ETTK 250 |
| Series | ETTK |
| Power | 250 VA |
| Input | 230 V |
| Output | 230 V • 1.09 Aac |
| Phases | 1 |
| Frequency range | 50 Hz to 60 Hz |
| EN Insulation class | B (130°C) |
| Duty Cycle | 100 % |
| Wire material | Copper |
General
| Short circuit proof | conditionally short-circuit proof |
| Switching group | Ii0 |
| Cooling type | AN |
Environment
| Ambient temperature | -20 °C to 40 °C / -4 °F to 104 °F |
| Max. installation height | 2,000 m / 6,562 ft |
Protection and Safety
| Protection type | IP67 |
| Protection class (prepared) | II |
| Overvoltage category | III |
| Degree of contamination | 2 |
Electrical Connections
| Input terminal | Plug-in connection |
| Output terminal | Coupling |
Size and Weight
| Width | 120 mm / 4.72 in |
| Height | 185 mm / 7.28 in |
| Depth | 200 mm / 7.87 in |
| Weight | 9.166 kg / 20.208 lbs |
| Low Voltage Directive | EN 61558-2-4 |
