2220
Switchmode power supply
- Mains voltage input
- Isolation 3.75 kVAC
- Short-circuit protection
- Thermal overload protection
- Standard 11-pole relay socket
Advanced features
- The power supply is based on secondary switchmode technology to achieve a high efficiency.
- The output is adjustable from front potentiometer in the range 5...24 VDC.
Application
- General power supply for smaller measurement systems requiring fixed stabilized 24 VDC, or supply for any other sensors, transmitters or as a general variable power supply 5 to 24 VDC.
- Two units may be connected in series for plus / minus or higher output voltage.
- Suitable for PELV/SELV applications.
Technical characteristics
- A green LED indicates active output.
- Double-isolated safety transformer.
- Isolation test voltage between input and output is 3.75 kVAC.
- The input circuit is protected with a thermal fuse.
- Output short circuit protection with current limiter.
Environmental Conditions
| Operating temperature | -20°C to +60°C |
| Relative humidity | < 95% RH (non-cond.) |
| Protection degree | IP50 |
Mechanical specifications
| Dimensions (HxWxD) | 80.5 x 35.5 x 84.5 mm (D is without pins) |
| Weight approx. | 425 g |
Common specifications
Supply |
|
| Internal power dissipation | 4 W |
Isolation voltage |
|
| Isolation voltage, test / working | 3.75 kVAC / 250 VAC |
| PELV/SELV | IEC 61140 |
| Transformer | EN 60742 |
| Effect of supply voltage change | < ±30 mV (±10%) |
| Transient stability (10%-max. load) | < 250 mV |
| Temperature coefficient | 0.05% / °C |
| EMC immunity influence | < ±0.5% |
Input specifications
| Input voltage (AC) |
21.6...26.4 VAC
99...121 VAC 108...132 VAC 207...253 VAC |
| Frequency | 50...60 Hz |
Output specifications
Current output |
|
| Current limit | Typ. 2.2 A (short circuit) |
| Output voltage | 4.75...25.2 VDC |
| Output power | Max. 7 W |
| Output current |
1 A / 5 VDC
0.55 A / 12 VDC 0.45 A / 15 VDC 0.3 A / 24 VDC |
| Load effect (10%-max. load) | < 1.5% / A |
| Output ripple | < 20 mVRMS |
Observed authority requirements
| EMC | 2014/30/EU |
| LVD | 2014/35/EU |
| EAC | TR-CU 020/2011 |
| EAC LVD | TR-CU 004/2011 |
