PCB transformer, safety isolating transformer
EP 28/12
Characteristics
Benefits
› Minimum size at high output
› Double output voltage for series or parallel connection
› Very good moisture protection and low noise thanks to vacuum impregnation
› Contact protected on the circuit board thanks to covered solder pin strips
› Stable connection technology with injected round wire soldering pins
› Additional mounting option with holes in the core
| Product | PCB transformer, safety isolating transformer |
| Order number | EP 28/12 |
| Series | EP |
| Power | 28 VA |
| Input | 230 V |
| Output | 2 x 12 V • 1.17 Aac |
| Phases | 1 |
| Frequency range | 50 Hz to 60 Hz |
| Short-Circuit Losses | 6.1 W |
| No-Load Losses | 1.9 W |
| Short circuit voltage uk | 17.4 % |
| EN insulation class | B (130°C) |
| Duty Cycle | 100 % |
| Wire material | Copper |
| Efficiency | 77.8 % |
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) | II |
| Overvoltage category | III |
| Degree of contamination | 2 |
Electrical Connections
| Input terminal | Pin |
| Output terminal | Pin |
Size and Weight
| Width | 60 mm / 2.36 in |
| Height | 53 mm / 2.09 in |
| Depth | 50 mm / 1.97 in |
| Weight | 0.65 kg / 1.43 lbs |
| Low Voltage Directive | EN 61558-2-6 |
