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6U VME64x 475-x Mini Chassis

The VME475-x mini crate series offers hot-swappable, redundant power supplies in a 7 slot, compact but modular designed VME64x chassis. A front-side-plug high performance DC fan is used for cooling with front to rear and side to side air flow.

One or two redundant operating plug-in 250W cPCI power supplies provide sufficient power for all applications. The VME card sized CML shelf manager allows full remote monitoring and control of power supply, fan and chassis.

The mini crate can be used on the desk either as a desktop or up-right unit or be installed in a 19” rack.


  • VME-MINI-Bin mechanics for 6Ux160mm, VME64x modules, suitable either for 19″ rack, as a tower- or a desktop box
  • IEEE 1101.10 compliant mechanics with enhanced EMC / ESD
  • 7 slot monolithic VME64x backplane, optional P0 connectors
  • Free rear access for 6U transition modules, standard transition cage for 6U 80mm modules, provisions for 160 and 120mm foreseen. Special depth on request
  • Alphanumeric high-visibility LED display for voltages, currents, fan speed, temperatures and settings / programming, 4 status LED’s
  • WIENER CML Shelf Manager for local and remote monitoring and control, monitors and controls power supply, fan, remote on/off, SYSRES, thermal monitoring, user I/O programming, with Ethernet and USB interfaces, rear side plugged in
  • Front side mounted, removable High-RPM DC blower, adjustable speed (1200 … 3200 RPM), temperature controlled, with integrated air filter
  • Flexible cooling air flow direction: front-to-rear or side to side possibe
  • Programmable under / over voltage and over current trip points, active DC output discharge
  • Outfitted with one or two 250W cPCI power supplies, plugged in from rear, hot swappable, redundant operation, CE-conformity, 300W power supplies on request
  • 100V – 240V world-wide auto-range AC input, with power factor correction, CE-conformity
  • Dimensions: 19” (482mm) x 5U (215mm) x 300mm [whd], weight: ca. 10 kg

Ordering Information

Standard configurations (others possible by request).

Crate VersionBackplane+5V+3.3V+12V-12v
VME 475x_1J1/J2 VME64x33A33A6A1A
VME 475x_2J1/J2 VME64x66A66A12A2A
VME 475x_1_P0J1/J0/J2 VME64x33A33A6A1A
VME 475x_2_P0J1/J0/J2 VME64x66A66A12A2A

Technical Information

VME / VME64x Mini crate 475

Module cage formats 6U´160mm, VME standard, Transition  6U ´ up to 160mm
Crate Size          7 Slot , 19“ or 435mm ´ 5U (221mm), 300mm depth
Mains input wide range: 90...265VAC, 47-63Hz, 10A fuse,
Inrush current less than 30A at 230Vac.
Isolation Inp.-outp. CE EN 60950, ISO 380, VDE 0805, UL 1950, C22.2.950
Regulation Typ. ±1-±4%. (Various with output voltage.)
Noise and ripple: <50mVpp,  typical <30mVpp (0-20MHz ),  <3mVrms (0-2MHz)
Operation: 0...40°C without derating, rel. humidity 30...80%, non condensing atmospheric pressure 70...110kPa, for 600W continuous power >85kPa
Storage:     -30°C up to 85°C
Stability:    10mV or 0,1% within 24 hours    25mV or 0,5% within  6 months
Overvoltage protection: trip off, protection against broken sense lines
Internal temperature limits: Cut off: 110°C heat sink, 70°C ambient,
>45°C module exhaust accelerates fan speed to 100%
Cooling air flow (max. fan speed): removable fan, 340m3h, blower MTBF >60 000h (40°C)
Efficiency: max. ca. 80%, depends on installed output voltages


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