Short circuit proof PCB transformer, safety isolating transformer
PT 4,5/1/18
Characteristics
Benefits
› Minimum size at high output
› Integrated overload protection using PTC in the input
› Also with dual output voltage for series or parallel connection
› Permanent corrosion protection, high insulation value and maximum electrical reliability thanks to XtraDenseFill resin encapsulation
› Self-extinguishing potting material
› Space saving installation thanks to additional screw mounting in the base plate
| Product | Short circuit proof PCB transformer, safety isolating transformer |
| Order number | PT 4,5/1/18 |
| Power | 4.5 VA |
| Input | 230 V |
| Output | 18 V • 0.25 Aac |
| Phases | 1 |
| Frequency range | 50 Hz to 60 Hz |
| No-Load Losses | 1.5 W |
| EN insulation class | E (120°C) |
| UL Insulation class | class 105 |
| Duty Cycle | 100 % |
| Wire material | Copper |
| Efficiency | 65 % |
General
| Short circuit proof | conditionally short-circuit proof |
| Switching group | Ii0 |
| 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 | 1 |
Electrical Connections
| Input terminal | Pin |
| Output terminal | Pin |
Size and Weight
| Width | 44 mm / 1.73 in |
| Height | 33 mm / 1.3 in |
| Depth | 37 mm / 1.46 in |
| Weight | 0.2 kg / 0.44 lbs |
| Low Voltage Directive | EN 61558-2-6 |
| Approval cURus - Recognized | UL 5085-1/-2; CSA 22.2 |
| VDE Approval |
VDE 0570-2-x (DIN EN 61558-2-x) |
