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Picture of braking resistor, Altivar, 8Ohms, 3.8kW, IP23
SKU:

VW3A7745

braking resistor, Altivar, 8Ohms, 3.8kW, IP23

$3,178.45
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braking resistor, Altivar, 8Ohms, 3.8kW, IP23
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Manufacturer: Schneider Electric
Estimated Delivery Date: 18-Oct-2024
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Product Data Sheet
This braking resistor is an option for variable speed drives of the Altivar range. It has an Ohmic value of 8Ohms at 20°C. This braking resistor allows your variable speed drive to operate while braking to a standstill by dissipating the braking energy and enabling maximum transient braking torque. Its protection index is IP23. It weighs 25.5kg. 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.

Products specifications

Attribute nameAttribute value
Main
Range compatibilityAltivar Process ATV900, Altivar Machine ATV340
Product or component typebraking resistor
[Ue] rated operational voltage250 V AC, 24 V DC
Ohmic value8 Ohm
Complementary
Average power available3.8 kW at 50 °C
Depth650 mm
Width540 mm
Duty cyclemedium cycle (heavy duty) <4 s braking with 165 % braking torque for a 40 s cycle , medium cycle (normal duty) <4 s braking with 135 % braking torque for a 40 s cycle
Product compatibilityvariable speed drive ATV930 75 hp 600 V medium cycle, variable speed drive ATV930 60 hp 600 V medium cycle, variable speed drive ATV930 55 kW 500...690 V medium cycle, variable speed drive ATV930 45 kW 500...690 V medium cycle, variable speed drive ATV340 45 kW 380...480 V medium cycle, variable speed drive ATV950 wall mount 55 kW 380...480 V medium cycle, variable speed drive ATV930 wall mount 55 kW 380...480 V medium cycle
Electrical connectionM8 bar wire for drive,  terminal, connection capacity: <= 2.5 mm² / AWG 12 for temperature control switch
Net weight25.5 kg
Protection typethermal protection via drive or temperature control switch at 120 °C
Height485 mm
Environment
IP degree of protectionIP23
Ambient air temperature for storage-25-70 °C
Ambient air temperature for operation0-50 °C
Packing Units
Unit Type of Package 11
Number of Units in Package 11
Package 1 Height58.000 cm
Package 1 Width58.000 cm
Package 1 Length69.500 cm
Package 1 Weight24.500 kg

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