Control- and isolating transformer
TT1 12,5-44-23 - Discontinued types - not for new designs
Characteristics
Benefits
› Safe galvanic isolation
› Patented assembly technology
› Very good corrosion protection and low noise thanks to BLOCK IMPEX vacuum impregnation
› Primary side ±5 % tappings for voltage adjustment
› Fixed, contact protected screw connection terminals complying with UVV BGV A3
› Multifunctional fixing rail with 8 oval slots
› Space saving, thanks to horizontal design
› Integrated crane eyes
› Non-slip terminals
Product | Control- and isolating transformer |
Order number | TT1 12,5-44-23 |
Power | 12,500 VA |
Input | 418 V / 440 V / 462 V |
Output | 2 x 115 V • 54.4 Aac |
Phases | 1 |
Frequency range | 50 Hz to 60 Hz |
Short-Circuit Losses | 195 W |
No-Load Losses | 171 W |
Short-Term Power / instantaneous output | 41,800 VA |
Short circuit voltage uk | 1.3 % |
EN insulation class | F (155°C) |
UL Insulation class | class 155 |
Duty Cycle | 100 % |
Wire material | Copper |
Efficiency | 97.2 % |
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 00 |
Protection class (prepared) | I |
Overvoltage category | III |
Degree of contamination | 2 |
Electrical Connections
Terminal Pri | Screw terminal |
Terminal Sec | Screw terminal |
Terminal PE | Screw terminal |
Size and Weight
Weight | 102 kg / 224.87 lbs |
Low Voltage Directive |
EN 61558-2-2 EN 61558-2-4 |
Approval cURus - Recognized | UL 1561; CSA 22.2 |