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February, 2018
MULTIFUNCTION TFT 5“ / 10“ UNITFT
• resistive or PCAP (Multitouch)
• object based screen Design
• vector graphics: ASCII and Unicode
• extremely fast rendering
• Alpha Blending, moving objects
• USB, 2xI²C, 2xSPI, 2xRS-232
Powerbox: Marine Power Supplies for Immersed Computers
Bedford, NH — Powerbox has launched the second generation of its series of power supplies designed for marine applications. The company has responded to demand from marine equipment manufacturers to simplify logistics and to reduce energy con- sumption. The new PT578 power sup- ply integrates programmed digital protection, built-in redundancy and paralleling circuitry. The new supply has a typical
efficiency of 94 percent and operates in temperatures of –13 to +158°F (–25 to +70°C). It includes an active PFC, three output protection modes that are firmware-reconfigurable, and is designed for convection cool- ing. It is protected against humidity and corrosion by conformal coating and can withstand high levels of shock and vibration. The technology developed for
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the PT578 is suitable for immersed computing systems that require the power unit to operate safely within neutral fluid containers. It is part of the company’s PRBX custom power library. To simplify installation, the
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PT578 has built-in circuitry that makes it possible for the user to select “single mode” or “parallel mode with droop current sharing.” This reduces the number of products to keep in inventory as well the space used in the power rack. The PT578 operates with wide
AC input voltages of 90 to 265 VAC and with a DC bus voltage of 125 to 375 VDC. The input AC frequency is
47 to 63 Hz, and for naval airborne, 440 Hz with reduced PFC. Covering a large range of marine applications, from sea to air, the PT578 is specified to operate up to 10,000 ft (3 km) and up to 30,000 ft (9.1 km) non-operating. Two versions with adjustable
PT578 500W marine power supply.
output voltages are available as stan- dard, 24 VDC (23 to 29 VDC) and 48 VDC (47 to 56 VDC). They provide output power of 500W with peak power up to 750W. The power supply complies with
vibration regulations specified by DNV-GL Table 7 High Vibration Strain, class B. Protected by a confor- mal coating, the PT578 works in a humid environment of up to 100 per- cent. The supply has an isolation of 3,000 VAC input to output and 2,000
VAC input to chassis. Contact: Powerbox USA, Inc., 15
Constitution Drive, Suite 1A, Bedford, NH 03110 % 603-310-5200 fax: 603-310-5001 E-mail:
info.us@
prbx.com Web:
www.prbx.com
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