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Siemens SIMOREG 6RA8261-3B DC Drive - 4 Quadrant, 400A

Name: Siemens 6RA8261-3B
Brand: Siemens
SKU: 6RA8261-3B
Availability: InStock

Siemens SIMOREG 6RA8261-3B 4-Quadrant DC Drive, 400A.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

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ManufacturerSiemens

Part number6RA8261-3B

Series SIMOREG

Model 6RA8261-3B

Type 4-Quadrant DC Drive

Rated Armature Voltage 230V DC

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4-Quadrant Operation 400A Rated Current 230V DC Armature Voltage Bidirectional Torque Control Regenerative Braking Robust Design

Product description

The Siemens SIMOREG 6RA8261-3B is a high-performance, 4-quadrant DC drive designed for demanding applications requiring precise speed and torque control. It offers a rated armature voltage of 230V DC and a rated armature current of 400A, capable of both motoring and generating power.

This drive is ideal for applications such as winders, rewinders, extruders, and lifting equipment where bidirectional torque control and regenerative braking are essential. Its robust design ensures reliable operation in challenging industrial environments.

As a veteran-owned surplus distributor, Stanlo Automation provides the Siemens 6RA8261-3B SIMOREG drive. We are dedicated to offering reliable automation components and expert support, ensuring your industrial operations remain efficient and productive.

Technical specifications

Series	SIMOREG
Model	6RA8261-3B
Type	4-Quadrant DC Drive
Rated Armature Voltage	230V DC
Rated Armature Current	400A
Control	Speed and Torque

Common applications

Winders and Rewinders

Extruders

Lifting Equipment

Rolling Mills

Test Benches

Calender Machines

Compatible systems

Compatible with DC motors requiring up to 400A armature current at 230V DC.

Also known as

Siemens SIMOREG 400A DC Siemens 6RA8261 4-Quadrant DC Motor Drive

Replaces / compatible with

Can replace older SIMOREG DC drives with similar current and voltage ratings. Consult Siemens documentation for specific upgrade paths.

Technical note

Expert tip

Proper heat dissipation is critical for the 6RA8261-3B drive. Ensure adequate ventilation and follow installation guidelines to prevent overheating.

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Frequently asked questions

What is meant by '4-quadrant operation' for the Siemens 6RA8261-3B DC drive?

4-quadrant operation means the Siemens SIMOREG 6RA8261-3B drive can control the motor in both directions of rotation (forward/reverse) and in both motoring (consuming power) and generating (feeding power back) modes. This enables efficient speed and torque control, including regenerative braking.