Alfatronix PV18s 24>12V impuls pingemuundur 18A
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PV 18s 24>12V voltage converter 18A Alfatronix
These products offer a convenient way to operate mass produced 12Vdc equipment such as cell phones, in car entertainment, professional communication and telematics equipment, refrigerators, televisions etc. from the 24Vdc mobile electrical systems found on diesel engined vehicles and vessels.
A Comprehensive Range
There are 10 products in the range from 3A to 24A in isolated or common earth configurations. They have been optimised for high volume 24Vdc to 12Vdc applications such as on heavy goods vehicles, coaches, buses, construction, forestry and agricultural vehicles, commercial and leisure marine vessels.
Tamper Proof
There are no ventilation holes to permit stray objects, dust or water droplets to enter the case. There are no external fuses to be tampered with. Fuses will only blow if there is a fault so there is no need to make them accessible.
All PowerVerters are enclosed in a rugged aluminium extrusion. The low mass Surface Mount Technology components are also less prone to damage from vibration and shock, further increasing the reliability of the units.
3Amp units are excellent for charging mobile phones, while 6A units suit a variety of mobile radio applications.
Galvanically isolated units are suitаble for marine applications and come complete with the green tamperproof label for petrochemical applications.
Fast Installation
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. 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.
Easy 6 step Installation Method
1. Find a convenient location away from sun and rain.
2. Using the mounting clip as a template, mark fixing positions.
3. Drill screw holes.
4. Fix bracket using screws provided.
5. Clip PowerVerter to mounting bracket.
6.Correctly connect to load.
Typical applications
Installations of mobile and cellular radio communications equipment, telemetry systems, refrigeration, televisions etc on trucks, buses, forestry and off road vehicles as well as boats and yachts and a variety of industrial applications. For a wider range of input and output voltages, see the DD Series.
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 Ouput 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 -25ºC to +30ºC to meet this specification tаble +30ºC to +80ºC de rate linearly to 0A Storage temperature -25ºC to +100ºC 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 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 component ѕelection 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