Siemens
Siemens SIMOREG DC Master Converter 6RA7081-6DS22-0
Siemens SIMOREG DC Master Converter, 400V 3AC input, 485V DC 400A output.
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Veteran-owned
CAGE: 9NK75
Microprocessor Control
Single-Quadrant Drive
High Output Current (400A)
400V 3AC Input
Precise DC Control
SIMOREG DC Master Series
Product description
The Siemens SIMOREG DC Master Converter (part number 6RA7081-6DS22-0) is a microprocessor-controlled converter for single-quadrant DC drives. It features a 400V 3 AC input with a 332A current rating. The output is 485 V DC, rated for 400 A, with controllable field rectifier D485/400 MRE-GEEF6S22.
This converter is ideal for applications requiring precise control of DC motor speed and torque in industries such as metal processing, printing, and material handling where single-quadrant operation is sufficient.
Stanlo Automation, a veteran-owned surplus industrial parts distributor, provides the Siemens 6RA7081-6DS22-0. Trust us for reliable DC drive components.
Technical specifications
| Converter Type | SIMOREG DC Master |
| Control | Microprocessor |
| Quadrant | Single-Quadrant |
| Input Voltage | 400 V 3 AC |
| Input Current | 332 A |
| Output Voltage | 485 V DC |
| Output Current | 400 A |
| Field Rectifier | D485/400 MRE-GEEF6S22 |
| Output US-Rating | 485 V DC, 276 A |
Common applications
Metal Processing
Printing Presses
Material Handling
Winding Machines
Extruders
Industrial Automation
Compatible systems
DC Motors
Industrial Control Systems requiring DC drives
Also known as
SIMOREG DC Drive
Siemens DC Converter
6RA7081 Converter
Replaces / compatible with
The SIMOREG DC Master series offers robust DC motor control solutions. This converter is designed to replace older DC drive systems or provide upgrades for existing installations.
Technical note
Expert tip
This single-quadrant converter is suitable for applications where reversing or regenerative braking is not required.What happens next?
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Frequently asked questions
What are the input and output ratings for the Siemens 6RA7081-6DS22-0?
The Siemens 6RA7081-6DS22-0 SIMOREG DC Master Converter has a 400V 3 AC input at 332A and provides a 485V DC output at 400A. Its US-rated output is 485V DC at 276A.