Name: Allen-Bradley PowerFlex
Brand: Allen-Bradley
Rating: 5 (1 reviews)

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Table of Contents

Section 1 What This Guide Contains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

How Dynamic Braking Works . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Dynamic Brake Components . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Section 2 How to Determine Dynamic Brake Requirements . . . . . . . . . . . 2-1

Determine Values of Equation Variables . . . . . . . . . . . . . . . . . . 2-4

Example Calculation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9

Section 3 Evaluating the Capability of the Internal Dynamic Brake Resistor . .

3-1

Section 4 How to Select an External Dynamic Brake Resistor . . . . . . . . . 4-1

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General

Category	DC Drives
Manufacturer	Allen-Bradley
Series	PowerFlex
Communication Options	EtherNet/IP, DeviceNet, ControlNet
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overtemperature, Short Circuit
Enclosure Type	NEMA 1, NEMA 12, NEMA 4/4X
Operating Temperature	0°C to 40°C (32°F to 104°F)
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Humidity	5% to 95% (non-condensing)
Altitude	Up to 1000m (3280 ft) without derating