DatasheetThe switched-mode DC-DC converters type 2239.3, 2239.30 and 2239.33 are compact DC voltage converters for industrial applications, mobile electrical systems and technical installations with 12 VDC supply. The units are designed as step-up converters and convert an input voltage of 11 to 14.5 VDC into an output voltage of 24 VDC.
The converters are designed for wall mounting and housed in a robust aluminium die-cast enclosure. Depending on the version, output power up to 288 W is available. Types 2239.3 and 2239.30 provide an output current of 6 A, while type 2239.33 provides an output current of 12 A.
The output voltage follows the input voltage proportionally. Type 2239.30 additionally provides output voltage limitation at 26 V. The units are splash-water protected and are therefore suitable for environments where increased protection against moisture is required.
For safe operation, the converters are equipped with a fuse and provide fast regulation for load changes from 10 to 100 %. The operating temperature range is -10 °C to +45 °C. The maximum relative humidity is 85 % at 35 °C.
The common negative pole is not connected to the housing. Electrical input and output connections are made via cables; the required cable length must be specified when ordering and is charged separately. EMC compliance is specified according to EN 61000-6-1 and EN 61000-6-3.
| Product | Switched-mode DC-DC converter |
| Device type | Step-up converter |
| Mounting | Wall mounting |
| Rated output power | Up to 288 W |
| Versions | Type 2239.3 / Type 2239.30 / Type 2239.33 |
| Input voltage | 11 to 14.5 VDC |
| Output voltage | 24 VDC |
| Output current type 2239.3 | 6 A |
| Output current type 2239.30 | 6 A |
| Output current type 2239.33 | 12 A |
| Stability with change in input voltage | Proportional to input voltage; type 2239.30 with output voltage limitation at 26 V |
| CV ripple RMS | 25 mV |
| No-load current consumption | < 30 mA for type 2239.3 and 2239.30 / < 60 mA for type 2239.33 |
| Current consumption at full load | 22 A for type 2239.3 and 2239.30 / 25 A for type 2239.33 |
| Fuse | 25 A for type 2239.3 and 2239.30 / 2 x 25 A for type 2239.33 |
| Settling time, load 10-100 % | 1.5 ms |
| Operating temperature | -10 °C to +45 °C |
| Max. relative humidity | 85 % at 35 °C |
| Dimensions type 2239.3 / 2239.30 | 165 x 100 x 80 mm |
| Dimensions type 2239.33 | 275 x 70 x 185 mm |
| Mounting dimensions type 2239.3 / 2239.30 | 125 x 120 mm, 4 mm hole |
| Mounting dimensions type 2239.33 | 203 x 161 mm |
| Weight | 1.0 kg for type 2239.3 and 2239.30 / 3 kg for type 2239.33 |
| Special features | Common negative pole, not connected to the housing, parallel connection possible |
| Colour | RAL 7035 |
| Protection rating | IP65 for type 2239.3 and 2239.30 / IP54 for type 2239.33 |
| Electrical connections | Cable length must be specified when ordering and is charged separately |
| EMC | EN 61000-6-1; EN 61000-6-3 |
