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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
Available for Shipping : 05-Nov-2024
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braking resistor, Altivar, 8Ohms, 3.8kW, IP23
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Manufacturer: Schneider Electric
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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 name Attribute value
Main
Range compatibility Altivar Process ATV900, Altivar Machine ATV340
Product or component type braking resistor
[Ue] rated operational voltage 250 V AC, 24 V DC
Ohmic value 8 Ohm
Complementary
Average power available 3.8 kW at 50 °C
Depth 650 mm
Width 540 mm
Duty cycle medium 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 compatibility variable 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 connection M8 bar wire for drive,  terminal, connection capacity: <= 2.5 mm² / AWG 12 for temperature control switch
Net weight 25.5 kg
Protection type thermal protection via drive or temperature control switch at 120 °C
Height 485 mm
Environment
IP degree of protection IP23
Ambient air temperature for storage -25-70 °C
Ambient air temperature for operation 0-50 °C
Packing Units
Unit Type of Package 1 1
Number of Units in Package 1 1
Package 1 Height 58.000 cm
Package 1 Width 58.000 cm
Package 1 Length 69.500 cm
Package 1 Weight 24.500 kg

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