Control- and isolating transformer
TT1 8-4-23
Characteristics
General data
The control transformers of the TT1 series ensure safe galvanic isolation of the primary circuit from the secondary circuit. The unique BLOCK IMPEX vacuum impregnation process provides excellent protection against external influences while reducing noise levels. The transformers stand out with a wide range of mounting options and integrated crane eyelets for transport and installation.
Benefits
› Control and isolating transformer according to EN (IEC) 61558-2-2 and EN (IEC) 61558-2-4
› Patented mounting technology
› Primary side ±5% taps for voltage adjustment
› Fixed, touch-protected screw terminals according to UVV BGV A3
› Space-saving due to upright design
Product | Control- and isolating transformer |
Order number | TT1 8-4-23 |
Series | TT1 |
Power | 8,000 VA |
Input | 380 V / 400 V / 420 V |
Output | 2 x 115 V • 34.8 Aac |
Phases | 1 |
Frequency range | 50 Hz to 60 Hz |
Short-Circuit Losses | 215 W |
No-Load Losses | 105 W |
Short-Term Power / instantaneous output | 28,000 VA |
Short circuit voltage uk | 2.7 % |
EN Insulation class | F (155°C) |
UL Insulation class | class 155 |
Duty Cycle | 100 % |
Wire material | Copper |
Efficiency | 96.2 % |
General
Short circuit proof | not short-circuit proof |
Switching group | Iii0 |
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 | IP XX B |
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
Width | 280 mm / 11.02 in |
Height | 385 mm / 15.16 in |
Depth | 215 mm / 8.46 in |
Weight | 60 kg / 132.277 lbs |
Low Voltage Directive |
EN 61558-2-2 EN 61558-2-4 |
Approval cURus - Recognized | UL 5085-1/-2; CSA 22.2 |