| Input voltage range | 17-32Vdc | 
| Output voltage | 13.6Vdc +15% -20% at extremes of temperature, load, input tolerance, etc. | 
| Intermittent output power | As stated, taken for a maximum of 2 minutes followed by 8 minutes rest. | 
| Transient voltage protection | Meets ISO7637-2 International standard for 24Vdc commercial vehicles | 
| Electrostatic voltage protection | Meets ISO10605, ISO14892, >8kV contact, 15kV discharge | 
| Output noise | <50mV pk-pk (100mV on 24V units) at continuous load. Meets CISPR25 and VDE0879-3 | 
| Off load current (quiescent current) | <15mA | 
| Power conversion efficiency | Typically: 90% for non-isolated units, 85% for isolated units | 
| Isolation | >400Vrms between input, output and case, on isolated products only | 
| Mean time between failures | >162 years (HRD4) | 
| Operating temperature | -25�C to +30�C to meet this specification table +30�C to +80�C de rate linearly to 0A | 
| Storage temperature | -25�C to +100�C | 
| Operating humidity | 95% max., non-condensing | 
| Casework | 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 to output terminals | 
| Mounting method | �Click �n� fit mounting clip, fitted separately using three hole fixing | 
| 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 2006/96/EC The automotive directive 93/68/EEC The CE marking directive | 
| Markings | CE and e marked |