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Home > Schneider Electric > Variable Speed Drives > Low Voltage AC Process Drives > Altivar Process 930 Variable Frequency Drives VFD > VW3A7744 – braking resistor, Altivar, 10Ohms, 2.9kW, IP20
VW3A7744 – braking resistor, Altivar, 10Ohms, 2.9kW, IP20
VW3A7744
braking resistor, Altivar, 10Ohms, 2.9kW, IP20

This braking resistor is an option for variable speed drives of Altivar range. It has an Ohmic value of 10Ohms at 20°C. This braking resistor allows your variable speed drive to operate while braking to a standstill, by dissipating the braking energy and enables maximum transient braking torque. Its protection index is IP20. It weighs 11.5kg. This resistor is designed to be mounted on the outside of the enclosure, but should not inhibit natural cooling, air inlets and outlets must not be obstructed in any way.

Brand: Schneider Electric

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Specifications
Ambient Air Temperature For Operation 0-50 °C
Ambient Air Temperature For Storage -25-70 °C
Ip Degree Of Protection IP20
Height 640 mm
Protection Type thermal protection via drive or temperature control switch 120 °C
Net Weight 9 kg
Electrical Connection
  • terminal <= 35 mm² / AWG 3 drive
  • terminal <= 4 mm² / AWG 10 temperature control switch
Product Compatibility
  • variable speed drive ATV930 wall mount 37 kW 380...480 V medium cycle
  • variable speed drive ATV930 wall mount 45 kW 380...480 V medium cycle
  • variable speed drive ATV950 wall mount 37 kW 380...480 V medium cycle
  • variable speed drive ATV950 wall mount 45 kW 380...480 V medium cycle
  • variable speed drive ATV930 wall mount 11 kW 200...240 V severe cycle
  • variable speed drive ATV340 30 kW 380...480 V medium cycle
  • variable speed drive ATV340 37 kW 380...480 V medium cycle
Duty Cycle
  • severe cycle (heavy duty) <54 s braking with 100 % braking torque for a 120 s cycle
  • medium cycle (normal duty) <4 s braking with 135 % braking torque for a 40 s cycle
  • medium cycle (heavy duty) <4 s braking with 165 % braking torque for a 40 s cycle
  • severe cycle (heavy duty) <6 s braking with 165 % braking torque for a 120 s cycle
Width 390 mm
Depth 180 mm
Average Power Available 2.9 kW 50 °C
Country of Origin Germany
Width 390 mm
Height 640 mm
Weight 9 kg
Ohmic Value 10 Ohm
[Ue] Rated Operational Voltage
  • 24 V DC
  • 250 V AC
Product Or Component Type braking resistor
Range Compatibility
  • Altivar Machine ATV340
  • Altivar Process ATV900
Rohs Exemption Information Yes
Mercury Free Yes
Toxic Heavy Metal Free Yes
California Proposition 65 WARNING: This product can expose you to chemicals including: Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
Reach Free Of Svhc Yes
China Rohs Regulation X
Eu Rohs Directive Pro-active compliance (Product out of EU RoHS legal scope)
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