Control- and isolating transformer
STSU 630/23
Characteristics
Benefits
› Control and isolating transformer according to EN (IEC) 61558-2-2 and EN (IEC) 61558-2-4
› Dual input voltage 230 and 400 Vac
› Very good switch-on behavior thanks to reduced inrush currents
› Primary side ±15 V taps for voltage adjustment
› Touch-protected terminal blocks according to UVV BGV A3
Product | Control- and isolating transformer |
Order number | STSU 630/23 |
Series | STSU |
Power | 630 VA |
Input | 230 V / 400 V ± 15 V |
Output | 2 x 115 V • 2.74 Aac |
Phases | 1 |
Frequency range | 50 Hz to 60 Hz |
Short-Circuit Losses | 33 W |
No-Load Losses | 18 W |
Short-Term Power / instantaneous output | 2,350 VA |
Short circuit voltage uk | 5 % |
EN Insulation class | B (130°C) |
UL Insulation class | class 130 |
Duty Cycle | 100 % |
Wire material | Copper |
Efficiency | 92.5 % |
General
Short circuit proof | not short-circuit proof |
Switching group | Iii0 |
Shield winding | Yes |
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
Input terminal | Screw terminal |
Output terminal | Screw terminal |
Terminal PE | Screw terminal |
Size and Weight
Width | 150 mm / 5.91 in |
Height | 150 mm / 5.91 in |
Depth | 112 mm / 4.41 in |
Weight | 8 kg / 17.637 lbs |
Low Voltage Directive |
EN 61558-2-2 EN 61558-2-4 |
Approval cURus - Recognized | UL 5085-1/-2; CSA 22.2 |