Toroidal transformers, isolating transformer
RKD 250/2x30
Characteristics
Benefits
› Minimum size at high power
› Low weight
› Dual input and dual output voltage for series or parallel connection
› Minimal no-load losses
› Outstanding temperature behaviour thanks to low magnetic leakage field
› Very low noise field
| Product | Toroidal transformers, isolating transformer |
| Order number | RKD 250/2x30 |
| Series | RKD |
| Power | 250 VA |
| Input | 2 x 115 V |
| Output | 2 x 30 V • 4.17 Aac |
| Phases | 1 |
| Frequency range | 50 Hz to 60 Hz |
| Short-Circuit Losses | 16.6 W |
| No-Load Losses | 1.61 W |
| EN insulation class | B (130°C) |
| UL Insulation class | class 105 |
| Duty Cycle | 100 % |
| Wire material | Copper |
| Efficiency | 93.2 % |
General
| Short circuit proof | not short-circuit proof |
| Switching group | IIii0 |
| 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) | II |
| Overvoltage category | III |
| Degree of contamination | 2 |
Electrical Connections
| Input terminal | Stranded wire |
| Output terminal | Wire connection |
Size and Weight
| Width | 117 mm / 4.61 in |
| Height | 54 mm / 2.13 in |
| Depth | 117 mm / 4.61 in |
| Weight | 2.52 kg / 5.56 lbs |
| Low Voltage Directive | EN 61558-2-4 |
| Approval cURus - Recognized | UL 5085-1/-2; CSA 22.2 |
