VW3A7101 Schneider

This braking unit is an option for variable speed drives of Altivar range. The minimum resistor value to associate is 1Ohm. This braking unit allows Altivar 71 drives to operate while braking to a standstill or during “generator” operation, by dissipating the energy in the braking resistor. Its protection index is IP20. Thermal protection is provided by an integrated temperature probe. It weighs 30kg.

Main

Characteristic Value(s)
Range Compatibility Altivar 61Q
Altivar 71Q
Altivar 71
Altivar 61
Altivar Process ATV900
Product compatibility ATV61HC25N4
ATV61HC31N4
ATV61QC20N4
ATV61QC25N4
ATV61QC31N4
ATV71HC20N4
ATV71HC25N4
ATV71HC28N4
ATV71QC16N4
ATV71QC20N4
ATV71QC25N4
Variable speed drive ATV930 without braking chopper 250 kW 380...480 V
Variable speed drive ATV930 without braking chopper 315 kW 380...480 V
Thermal losses 550 W
Minimum resistor value to associate 1.05 Ohm
Protection type Integrated thermal protection thermal probe

Complementary

Characteristic Value(s)
Maximum braking power 420 kW
Permanent braking power 200 kW 400 V at constant power and at engage threshold)
Load factor 0.05 420 kW at constant power and at engage threshold
0.15 320 kW at constant power and at engage threshold
0.5 250 kW at constant power and at engage threshold
Activation threshold 785 V DC +/- 1 %
Maximum DC bus voltage 850 V
Product Weight 66.1 lb(US) (30 kg)
Volume of cooling air 26417.7 Gal/hr(US) (100 m3/h)
Operating position Vertical
Price on request
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This braking unit is an option for variable speed drives of Altivar range. The minimum resistor value to associate is 1Ohm. This braking unit allows Altivar 71 drives to operate while braking to a standstill or during “generator” operation, by dissipating the energy in the braking resistor. Its protection index is IP20. Thermal protection is provided by an integrated temperature probe. It weighs 30kg.

Main

Characteristic Value(s)
Range Compatibility Altivar 61Q
Altivar 71Q
Altivar 71
Altivar 61
Altivar Process ATV900
Product compatibility ATV61HC25N4
ATV61HC31N4
ATV61QC20N4
ATV61QC25N4
ATV61QC31N4
ATV71HC20N4
ATV71HC25N4
ATV71HC28N4
ATV71QC16N4
ATV71QC20N4
ATV71QC25N4
Variable speed drive ATV930 without braking chopper 250 kW 380...480 V
Variable speed drive ATV930 without braking chopper 315 kW 380...480 V
Thermal losses 550 W
Minimum resistor value to associate 1.05 Ohm
Protection type Integrated thermal protection thermal probe

Complementary

Characteristic Value(s)
Maximum braking power 420 kW
Permanent braking power 200 kW 400 V at constant power and at engage threshold)
Load factor 0.05 420 kW at constant power and at engage threshold
0.15 320 kW at constant power and at engage threshold
0.5 250 kW at constant power and at engage threshold
Activation threshold 785 V DC +/- 1 %
Maximum DC bus voltage 850 V
Product Weight 66.1 lb(US) (30 kg)
Volume of cooling air 26417.7 Gal/hr(US) (100 m3/h)
Operating position Vertical
Characteristic Value(s)
Maximum braking power 420 kW
Permanent braking power 200 kW 400 V at constant power and at engage threshold)
Load factor 0.05 420 kW at constant power and at engage threshold
0.15 320 kW at constant power and at engage threshold
0.5 250 kW at constant power and at engage threshold
Activation threshold 785 V DC +/- 1 %
Maximum DC bus voltage 850 V
Product Weight 66.1 lb(US) (30 kg)
Volume of cooling air 26417.7 Gal/hr(US) (100 m3/h)
Operating position Vertical

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