Isolating transformer, three-phase
TT3 5-44-4
Characteristics
Benefits
› Safe galvanic isolation
› Patented assembly technology to lower heat losses
› Very good corrosion protection and low noise thanks to BLOCK IMPEX vacuum impregnation
› Secondary side ±5 % tappings for voltage adjustment
› Fixed, contact protected screw connection terminals complying with UVV BGV A3
› Multifunctional fixing rails with 12 oval slots
› Enlarged fixing rail for easy installation from above
› Integrated crane eyes
Product | Isolating transformer, three-phase |
Order number | TT3 5-44-4 |
Power | 5,000 VA |
Input | 3 x 440 V |
Output |
3 x 380 V • 7.6 Aac or 400 V • 7.2 Aac or 420 V • 6.9 Aac |
Phases | 3 |
Frequency range | 50 Hz to 60 Hz |
Short-Circuit Losses | 189.39 W |
No-Load Losses | 88.47 W |
Short circuit voltage uk | 3.6 % |
EN insulation class | F (155°C) |
UL Insulation class | class 155 |
Duty Cycle | 100 % |
Wire material | Copper |
Efficiency | 94.7 % |
General
Short circuit proof | not short-circuit proof |
Switching group | Dyn5 |
Cooling type | AN |
Environment
Ambient temperature | -20 °C to 50 °C / -4 °F to 122 °F |
Max. installation height | 2,000 m / 6,562 ft |
Protection and Safety
Protection type | IP 00 |
Protection class (prepared) | I |
Overvoltage category | III |
Degree of contamination | 1 |
Electrical Connections
Input terminal | Screw terminal |
Output terminal | Screw terminal |
Terminal PE | Screw terminal |
Size and Weight
Weight | 48 kg / 105.82 lbs |
Low Voltage Directive | EN 61558-2-4 |
Approval cURus - Recognized | UL 5085-1/-2; CSA 22.2 |