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Home > Schneider Electric > Automation & Control > Motors, Drives & Control > VW3A7742 – braking resistor, Altivar, 28Ohms, 0.96kW, IP20
VW3A7742 – braking resistor, Altivar, 28Ohms, 0.96kW, IP20
VW3A7742
braking resistor, Altivar, 28Ohms, 0.96kW, IP20

This braking resistor is an option for variable speed drives of Altivar range. It has an Ohmic value of 28Ohms 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 4kg. 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
Ohmic Value 28 Ohm
[Ue] Rated Operational Voltage
  • 24 V DC
  • 250 V AC
Product Or Component Type braking resistor
Range Compatibility
  • Altivar Process ATV900
  • Altivar Machine ATV340
Height 570 mm
Protection Type thermal protection via drive or temperature control switch 120 °C
Net Weight 4.2 kg
Electrical Connection
  • terminal <= 10 mm² / AWG 8 drive
  • terminal <= 2.5 mm² / AWG 12 temperature control switch
Product Compatibility
  • variable speed drive ATV930 wall mount 11 kW 380...480 V medium cycle
  • variable speed drive ATV930 wall mount 15 kW 380...480 V medium cycle
  • variable speed drive ATV950 wall mount 11 kW 380...480 V medium cycle
  • variable speed drive ATV950 wall mount 15 kW 380...480 V medium cycle
  • variable speed drive ATV930 wall mount 3 kW 200...240 V severe cycle
  • variable speed drive ATV340 7.5 kW 380...480 V medium cycle
  • variable speed drive ATV340 11 kW 380...480 V medium cycle
  • variable speed drive ATV930 15 kW 500...690 V medium cycle
  • variable speed drive ATV930 18.5 kW 500...690 V medium cycle
  • variable speed drive ATV930 20 hp 600 V medium cycle
  • variable speed drive ATV930 25 hp 600 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 190 mm
Depth 180 mm
Average Power Available 0.96 kW 50 °C
Rohs Exemption Information Yes
Mercury Free Yes
Toxic Heavy Metal Free Yes
Reach Regulation Free of Substances of Very High Concern above the threshold
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)
Ambient Air Temperature For Operation 0-50 °C
Ambient Air Temperature For Storage -25-70 °C
Ip Degree Of Protection IP20
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