Control transformer
BUST 2500/44/23 - Discontinued types - not for new designs
Characteristics
Benefits
› High power density due to a compact construction design
› Primary side ±5 % tappings for voltage adjustment
› Very good corrosion protection and low noise thanks to BLOCK IMPEX vacuum impregnation
› Contact protected screw connection terminals complying with UVV BGV A3
› Low height
Product | Control transformer |
Order number | BUST 2500/44/23 |
Power | 2,500 VA |
Input | 394 V / 415 V / 440 V / 461 V |
Output | 2 x 115 V • 10.9 Aac |
Phases | 1 |
Frequency range | 50 Hz to 60 Hz |
Short-Circuit Losses | 98 W |
No-Load Losses | 33 W |
Short-Term Power / instantaneous output | 6,900 VA |
Short circuit voltage uk | 3.8 % |
EN insulation class | B (130°C) |
UL Insulation class | class 130 |
Duty Cycle | 100 % |
Wire material | Copper |
Efficiency | 95 % |
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 | 1 |
Electrical Connections
Terminal Pri | Screw terminal |
Terminal Sec | Screw terminal |
Terminal PE | Screw terminal |
Size and Weight
Weight | 24.8 kg / 54.67 lbs |
Low Voltage Directive |
EN 61558-2-2 EN 61558-2-4 |
Approval cURus - Recognized | UL 5085-1/-2; CSA 22.2 |