The sensitivities of modern electronic equipment to variable input voltages, susceptibility to EMC interference and in some cases, the need to isolate the supply has made voltage stabilization an important section of our product range. This Series offers a wide range of isolated products that ensure a stable and reliable voltage can be delivered to important equipment, even when the electrical system is under duress, such as during engine cranking. Units are available from 36-240W.
| Input voltage range | 12 VDC, 24 VDC +/- 30% |
| Output voltage | 13,6 VDC or 27,2 VDC +15% -20% at extremes of temperature, load, input tolerance, etc. |
| Intermittent output power | Continuous rating +25%, taken for a maximum of 2 minutes followed by 8 minutes rest. |
| Transient voltage protection | Meets ISO7637-2 International standard for 24 VDC commercial vehicles |
| Electrostatic voltage protection | Meets ISO10605, ISO14892, >8 kV contact, 15 kV discharge |
| Output noise | <50 mV pk-pk (100 mV on 24 V units) at continuous load. Meets CISPR25 |
| Off load current (quiescent current) | <15 mA |
| Power conversion efficiency | Typically: 90% for non-isolated units, 85% for isolated units |
| Isolation | >400Vrms between input, output and case, on isolated products only |
| Operating temperature | -25 ºC to +30 ºC to meet this specification table +30 ºC to +80 ºC de rate linearly to 0 A |
| Storage temperature | -25 ºC to +100 ºC |
| Operating humidity | 95% max., non-condensing |
| Casework | Anodised aluminium, glass filled polycarbonate, dust water and impact resistance to IP533 (excludes DDi 24-24 240 which is ventilated and fitted with a cooling fan to IP20) |
| Connections | Four 6,3 mm push-on flat blade connectors |
| Output indicator | Green LED adjacent to output terminals |
| Mounting method | Click ‘n’ fit mounting clip, fitted separately using three hole fixture |
| Safe area protection: Over current | Limited by current sensing circuit |
| Over heat | Limited by temperature sensing circuit |
| Transients | Protected by filters and rugged component selection |
| Catastrophic failure | Protected by internal input and output fuses |
| Approvals | 2004/108/EC The general EMC directive 2009/19/EC The automotive directive 93/68/EEC The CE marking directive |
| Designed to | EN50498, ISO 7637-2 |
| Markings | CE and E (e) marked |
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