Alfatronix DD 12Vdc - 24Vdc 168W Voltage Converter

ALF-016-999
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• Input voltage range: 12Vdc (8-18Vdc)
• Output voltage: 27.2Vdc (+15% / -20%)
• Maximum current: 7/9A (continuous/peak)
• LED indication
• Switchmode design
• Power conversion efficiency: typically 90%
• Life time warranty

Gross price (including 27% VAT): 117.20€ (Net price: 92.28€)
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More details:

• If you need to fit 24V equipment onto a 12V vehicle, then an up converter from the DD Series offers a fast and easy way to configure your system.  Or, if you need to stabilise your voltage or isolate your supply, then the DDi Series of 12V-12V and 24V-24V Isolators will suffice.  There are also 48V-12V units available for telecoms and forklift truck applications.
• These 12V units are ideal for small vehicle applications such as cars, minibuses, small marine craft, caravans and motorhomes and a variety of industrial uses.
• 12V-12V and 24V-24V units provide a stable output voltage as well as providing galvanic isolation for a variety of application.
• There are three 12V-24V products in the range running at currents from 3A (DD 12-24 072) to 10A (DD 12-24 240), while there are 5 more products from 3A – 10A in the 12V-12V and 24V-24V isolator range. All products use modern switchmode designs and are built using the same manufacturing concepts and technologies as the successful PowerVerter range which will of course meet your 24V-12V requirements.
• All products use modern switchmode designs and are built using the same manufacturing concepts and technologies as the successful PowerVerter range which will of course meet your 24V-12V requirements.
• All the units consume an off load current of less than 100mA, which is probably less than the self discharge current of the vehicle’s battery. In most cases this can be ignored, speeding the installation by removing the need to fit a remote switch.
• All products fit onto a ‘Click ‘n’ Fit mounting clip which is fixed in three points allowing it to be mounted on uneven surfaces. It is easy to fit the clip into awkward places and then simply click the unit into position.
• A red LED indicates when there is output from the converter. This gives reassurance to the installation enginer and speeds fault finding.
• The 12V-24V converters have been used for a variety of applications including bus ticketing systems on mini buses and for 24V bow thrusters on leisure craft.

Technical Data:

• Input voltage range: 12Vdc, 24Vdc and 48Vdc +/- 30%
• Output voltage options: 13.6Vdc or 27.2Vdc +15% -20% at extremes of temperature, load, input tolerance, etc.
• Intermittent output power: Continuous rating +25%, taken for a maximum f 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): <100mA
• 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: -25ºC to +30ºC to meet this specification table -30ºC to +80ºC 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 (excludes DDi 24-24 240 which is ventilated and fitted with a cooling fan)
• Connections: Four 6.3mm push-on flat blade connectors
• Output indicator: Red 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 components
- Catastrophic failure: Protected by 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

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