20-750-DB1-D2

Overview of Allen-Bradley 20-750-DB1-D2 Internal Brake Resistor

The Allen-Bradley 20-750-DB1-D2 is an internal dynamic brake resistor designed for PowerFlex 750-Series AC drives, Frame 2. It supports motor ratings from 0.75 kW to 11 kW (1 to 15 Hp) and operates at 400/480V AC input voltage. The 62 Ohm resistor provides effective braking to prevent motor overspeed and increases drive braking capability in industrial motor control applications.

Key Features

• Internal brake resistor: Integrates inside PowerFlex 750 drives for space-saving installation.
• Compatible with Frame 2 PowerFlex 750 Drives: Supports motors from 1 to 15 Hp.
• 62 Ohm resistance: Delivers suitable braking torque for dynamic motor braking.
• Operating voltage: 400/480V AC for wide industrial power compatibility.
• Not repairable: Designed as a replaceable component to ensure consistent performance.
• Meets industry standards: Provides reliable and safe braking in industrial automation systems.

Technical Specs

Parameter	Specification
Model Number	20-750-DB1-D2
Drive Compatibility	PowerFlex 750 Frame 2
Motor Rating	0.75–11 kW (1–15 Hp)
Brake Resistance	62 Ohms
Input Voltage	400/480V AC
Dimensions (cm)	12.065 (H) x 23.876 (W) x 27.813 (L)
Weight	0.374 kg
Repairable	No

Applications / Use Case

Used in motor control systems, this brake resistor ensures effective dynamic braking to manage motor speed during deceleration in manufacturing, conveyor systems, and other industrial environments.

Allen-Bradley, a Rockwell Automation brand, guarantees compliance with industry standards and supports dependable operation in automation systems.