QTD20.241
QTD20.241

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QTD20.241



Product Description
Modern machines typically use maintenance-free AC-motors which are controlled by frequency converters or servo amplifiers. Such devices have an intermediate DC-bus where all individual drives are connected. The QTD20 DC/DC converter can be connected directly to the intermediate DC-bus. In case of a mains failure, the QTD20 utilizes the power from the DC-bus capacitors which are charged from the kinetic energy of the motor until the motor has come to a complete stop. The intermediate DC-bus is usually unfiltered and have high EMI noise so the QTD20 has a very robust input stage and an appropriate input filter included. Additionally, the QTD20 is UL 508 approved and is equipped with input fuses which are rated and tested for 600Vdc applications.


DC/DC Converters
  • DC 600V Input
  • Optimized for Intermediate DC-bus of Drive Systems
  • Two Input Fuses for DC 600V included
  • 95% Full Load and Excellent Partial Load Efficiencies
  • Width only 65mm, Weight only 890g
  • 25% BonusPower, 600W for up to 4s
  • Active Filtering of Input Transients
  • Full Power Between -25°C and +60°C
  • Extremely Low Input Inrush Current Surge
  • Reverse Input Polarity Protection
  • DC-OK Relay Contact
  • Quick-connect Spring-clamp Terminals
  • 3 Year Warranty

Order Number
DC/DC converter QTD20.241

Accessory
ZM1.WALL Wall mount bracket
ZM14.SIDE Side mount bracket
UF20.241 Buffer unit
YR40.241 Redundancy module
 

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