Datasheet

choose your DD series proDuct
technical Data
Part Number Power Nominal Voltage Dimensions Weight
DD12-24 072 72W (3A) Non-Isolated 12Vdc input, 24Vdc output 89 x 87 x 50mm 300g
DD12-24 168 168W (7A) Non-Isolated 12Vdc input, 24Vdc output 167 x 87 x 50mm 640g
DD12-24 240 240W (10A) Non-Isolated 12Vdc input, 24Vdc output 217 x 87 x 50mm 800g
DD12-24 400 400W (16A) Non-Isolated 12Vdc input, 24Vdc output 233 x 125 x 74mm 1510g
DD12-24 600 600W (25A) Non-Isolated 12Vdc input, 24Vdc output 283 x 125 x 74mm 1800g
Other output voltage configurations are available as special orders, please ask our sales team
Input voltage range 12Vdc +/- 30%
Output voltage 27.2Vdc +/-5% at extremes of temperature, load, input tolerance etc
Continuous current rating 3A – 25A depending on model
Intermittent rating Continuous rating +20%, taken for a maximum of 2 minutes followed by 8 minutes rest
Transient voltage protection Meets ISO7637-2 International standard for 12V and 24Vdc commercial vehicles
Electrostatic voltage protection Meets ISO10605
Output noise <100mV pk-pk at continuous load
Off load current (quiescent current) <20mA (400W and 600W enable off), less than 100mA (72 – 240W units)
Power conversion efficiency Typically 93%
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 +70°C
Operating humidity 95% max., non-condensing
Casework Anodised aluminium, glass-filled polycarbonate, dust, water and impact resistance to IP53.
Ruggedised versions also available to IP65.
Connections Four 6.3mm push on flat blade connectors (72W – 240W)
Five terminal connector with screw tightening with mating half supplied (400W and 600W units)
Output indicator Green LED adjacent to output terminals
Mounting method “Click ‘n’ fit” mounting clip, fitted separately using 3 hole fixing (4 hole on 400W and 600W)
Safe area protection:
Over current
Over heat
Transients
Input/Output over voltage protection
Catastrophic failure
Limited by current sensing circuit
Limited by temperature sensing circuit
Protected by filters and rugged component selection
Controlled by internal circuitry
Protected by internal input and output fuses
Approvals 2014/30/EU The general EMC directive
Regulation 10 The automotive directive
93/68/EEC The CE marking directive
Designed to EN50498, ISO 7637-2
Markings CE and E (automotive) marked
Our policy is one of continuous improvement and we reserve the right to change specifications without prior notice.
Version: 1709