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All Categories > Manufacturers > ABB Control > Variable Frequency Drives/Soft Starters > Eaton Variable Frequency Drives > SPX9000 Open Drives > 575V Brake Resistors > 575V Brake Resistors (50% Duty Cycle, 150% Torque) > View Items  
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575V Brake Resistors (50% Duty Cycle, 150% Torque)

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Brake Chopper Options

The brake chopper circuit option is used for applications that require dynamic braking. Dynamic braking resistors are not included with drive purchase. Consult the factory for additional dynamic braking resistor selections that are supplied separately. A list of common resistors are listed below and are complete indoor assemblies, include a pre-wired terminal block and a thermal switch, and are not UL Listed.

Duty Cycle

The duty cycle rating is based on a 60-second period. For example, the 20% duty cycle resistor can carry 100% current for 12 seconds out of every 60 seconds, while the 50% duty cycle resistor can carry 150% current for 30 seconds out of every 60 seconds.

Torque

If the braking torque required is less than 15%, dynamic braking is not required because the regenerated energy will be dissipated in the drive and motor losses.





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Item #

Drive hp (CT/IH)

Minimum Ohms

Dimensions (inches)

DBR-R100-W1200 2 100.0 12W x 10D x 5H
DBR-R100-W2000 3 100.0 12W x 16D x 5H
DBR-R100-W2400 4 100.0 19W x 10D x 5H
DBR-R100-W2800 5 100.0 19W x 13D x 5H
DBR-R100-W4800 7.5 100.0 26.5W x 13D x 5H
DBR-R063-W6000 10 30.0 26.5W x 16D x 5H
DBR-R042-W9000 15 30.0 28W x 10D x 10H
DBR-R030-W012K 20 30.0 28W x 13D x 10H
DBR-R030-W015K 25 30.0 28W x 16D x 10H
DBR-R020-W020K 30 18.0 30W x 18D x 16H
DBR-R184-W025K 40 18.0 30W x 18D x 16H
DBR-R012-W030K 50 9.0 30W x 18D x 24H
DBR-R010-W036K 60 9.0 30W x 18D x 24H
DBR-R009-W045K 75 9.0 30W x 18D x 24H
DBR-R8D4-W060K 100 7.0 30W x 18D x 40H
DBR-R007-W070K 125 7.0 30W x 18D x 40H
DBR-R006-W085K 150 7.0 30W x 18D x 56H
DBR-R007-W100K 175 7.0 30W x 18D x 72H
DBR-R2D6-W110K 200 2.5 30W x 18D x 64H
DBR-R003-W140K 250 2.5 30W x 18D x 72H
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