Alfatronix DDi 24Vdc - 24Vdc 108W Isolated Voltage Stabilizer

Alfatronix DDi 24Vdc - 24Vdc 108W Isolated Voltage Stabilizer

Key features of Alfatronix DDi 24Vdc - 24Vdc 108W Isolated Voltage Stabilizer

• Input voltage range: 24Vdc (+/- 30%)
• Output voltage: 27,2Vdc (+15% / -20%)
• Maximum current: 4,5A (continuous)
• Galvanic isolation
• LED indication
• Switchmode design
• Power conversion efficiency: typically 85%
• Life time warranty

Gross price (including 27% VAT): 102.79€ (Net price: 80.94€)
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Further details of Alfatronix DDi 24Vdc - 24Vdc 108W Isolated Voltage Stabilizer

• 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 stabilisation an important section of our product range. Start/Stop technology on motor vehicles has added to this problem. The DDi Series offers a wide range of 12V-12V and 24V-24V isolated products that ensure a stable and reliable voltage can be delivered to important equipment. Units are available from 36-240W. The range now also offers 48V-12V units, suitable for the telecoms and forklift truck markets. For 12V-24V converters, see DD Series 'Up' Voltage Converters
• There are four products in the 12V-12V isolator range from 36W to 168W and a further five products in the 24V-24V range from 36W to 240W. There are also three 48V-12V products from 36W to 108W. All products use modern switchmode designs and are built using the same 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 15mA, which is probably less than the self discharge current of the vehicle’s battery.
• All the products fit onto a “Click ‘n’ fit” mounting clip which is fixed in three points allowing it to be mounted onto uneven surfaces. It is easy to fit the clip into awkward places, then simply click the unit into position.
• The green LED indicates when there is output from the converter. This gives reassurance to the installation engineer and speeds fault finding.

Technical Data:
• Input voltage range: 12Vdc, 24Vdc +/- 30%, 48Vdc -30% +25%
• 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 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
• Off load current (quiescent current): <15mA (<25mA, 168W + 240W versions)
• 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: -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
• 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 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 input and output fuses
• Approvals: 2004/30/EC The general EMC directive, Regulation 10 The automotive directiv, 93/68/EEC The CE marking directive
• Designed to: EN50498, ISO 7637-2
• Markings: CE

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