The DDi series of converters offer a wide range of 12V-12V and 24V-24V products that provide a stable and reliable voltage that can power important equipment, even when the electrical system is under load, such as when starting the engine. Converters are available in the range of 36-240W. There are also 48V-12V units available for telecoms and forklift truck applications.
Technical specifications for DD/DDi Voltage Converter:
| Operating voltage | 12V DC, 24V DC ±30%; 48V DC -30% +25% |
| Output voltage | 13.6V DC ili 27.2V DC +15% -20% at extremes of temperature, load, input tolerance, etc. |
| Transient voltage protection | Meets ISO7637-2 International standard for 12/24V vehicles |
| Electrostatic voltage protection | Meets ISO10605, ISO14982, >8kV contact, 15kV discharge |
| Current (standby) | <15mA (<25mA, 168W and 240W versions) |
| Power conversion efficiency | 85% for isolated units, 90% for non-isolated units |
| Operating temperature | -25ºC to +30ºC +30ºC to +80ºC linear capacity reduction |
| Storage temperature | -25ºC to +100ºC |
| Housing | Anodised aluminium, glass filled polycarbonate, dust water and impact resistance to IP533 |
| Connections | Four 6.3mm push-on flat blade connectors |
| Output indicator | Green LED adjacent |
| Mounting | Click ‘n’ fit mounting clip, fitted separately using three hole fixing |
| Sensors | Over heat Overvoltage and undervoltage Reverse polarity Over current |
| Certificate | 2014/30/EU, ECE 10,93/68/EEC, EN50498, ISO 7637-2 |
| Markings | CE and E |
Choose a product for your needs:
| Product | Power | Nominal voltage | Dimensions (mm) | Weight |
| DDi12-12 036 | 36W (3A) isolated | 12Vdc input, 12Vdc output | 89 x 87 x 50 | 280g |
| DDi12-12 072 | 72W (6A) isolated | 12Vdc input, 12Vdc output | 127 x 87 x 50 | 440g |
| DDi12-12 108 | 108W (9A) isolated | 12Vdc input, 12Vdc output | 167 x 87 x 50 | 540g |
| DDi12-12 168 | 168W (14A) isolated | 12Vdc input, 12Vdc output | 217 x 87 x 50 | 780g |
| DDi24-24 072 | 72W (3A) isolated | 24Vdc input, 24Vdc output | 127 x 87 x 50 | 440g |
| DDi24-24 108 | 108W (4.5A) isolated | 24Vdc input, 24Vdc output | 167 x 87 x 50 | 540g |
| DDi24-24 168 | 168W (7A) isolated | 24Vdc input, 24Vdc output | 217 x 87 x 50 | 780g |
| DDi24-24 240 | 240W (10A) isolated | 24Vdc input, 24Vdc output | 217 x 87 x 62 | 870g |
| DD48-12 072 | 72W (6A) non-isolated | 48Vdc input, 12Vdc output | 89 x 87 x50 | 270g |
| DD48-12 108 | 108W (9A) non-isolated | 48Vdc input, 12Vdc output | 127 x 87 x 50 | 370g |
| DD48-12 240 | 240W (20A) non-isolated | 48Vdc input, 12Vdc output | 217 x 87 x 50 | 770g |
| DDi48-12 036 | 36W (3A) isolated | 48Vdc input, 12Vdc output | 89 x 87 x 50 | 290g |
| DDi48-12 072 | 72W (6A) isolated | 48Vdc input, 12Vdc output | 127 x 87 x 50 | 405g |
| DDi48-12 108 | 108W (9A) isolated | 48Vdc input, 12Vdc output | 167 x 87 x 50 | 560g |
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