SCR drive, round frame motor

ABB Baldor-Reliance round-frame DC shunt motors deliver smooth, predictable speed control with fast response and long service life—ideal for demanding SCR-driven applications.

Built for Fast Response & Precise SCR Speed Control

When applications require precise speed control, quick response and dependable operation, ABB Baldor-Reliance DC shunt wound motors deliver. Designed to work seamlessly with SCR drives, these motors handle changing loads with ease while helping reduce maintenance through durable brushes, accessible bearings and built-in protection features. The result is reliable performance, easier upkeep and confidence in continuous operation.

 

Choose ABB Baldor-Reliance DC shunt wound round-frame motors when you need tunable speed regulation and strong constant-torque performance with an SCR drive—especially in applications where fast response, serviceability and long duty cycles matter.

Technical data

3–500HP DC shunt wound motors for SCR drives, Class F insulation, 20:1 constant-torque speed range, 40°C ambient, blower-ventilated with filters, thermostat included, tach adaptable and bearing grease fittings/reliefs.

Up to 500Hp

Power range 3-500Hp (2.2-372kW).

Protection Class F

Insulation system for maximum reliability.

Up to 5010

Frame size 186AT - 5010AT.

Enclosures DPFG, DPBV, TEFC

Motor can be matched to the environment—whether open, ventilated, or totally enclosed.

Control Tachometer

Tachometer adaptable for applications needing speed feedback and tighter control.

Explore the key features and benefits

Available from 3–500HP, these DC shunt motors are designed for SCR drives, offer a wide constant-torque speed range and are built to operate reliably in industrial environments up to 40°C ambient.

Responsive Speed Control

Fast motor response and optional speed feedback help maintain accurate, consistent speed as loads change.

Rugged Electrical Design

Designed to handle electrical stress from demanding power conditions, helping extend motor life.

Reduced maintenance

Durable brushes, accessible bearings and built-in temperature monitoring help reduce service events and protect the motor during heavy use.

Built-In Protection

Integrated temperature monitoring helps safeguard the motor during demanding duty cycles, supporting safe and reliable operation.

Flexible System Integration

Accessory mounting options and feedback adaptability make it easy to integrate into new or existing SCR-driven systems.

Enhanced cooling

Filtered blower cooling supports dependable operation in dirty or demanding environments while helping protect internal components.

Related Documents

Direct Current (DC) motors, tachometers and drives

Brochure

From compact 1/8 hp permanent-magnet DC motors to 500 hp square- and round-frame models, ABB Baldor-Reliance offers the industry’s widest DC motor portfolio.

ABB Baldor-Reliance Integral horsepower DC motors

Technical catalog for selecting integral hp shunt wound DC motors.

ABB Baldor-Reliance DC Drive: Matched drive promotion

Product Note

For a limited time, ABB is offering a matched DC drive with every fractional ABB Baldor-Reliance DC motor purchased (1/4-5Hp).

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