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Siemens SINAMICS DCM DC Converter 6RA8091-6FS22-0AA0

Name: Siemens 6RA8091-6FS22-0AA0
Brand: Siemens
SKU: 6RA8091-6FS22-0AA0
Availability: InStock

Siemens SINAMICS DCM DC converter for two-quadrant drives.

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ManufacturerSiemens

Part number6RA8091-6FS22-0AA0

Type SINAMICS DCM DC Converter

Application Two-quadrant drives

Input 480V 3AC, 996 A

Controllable Rectifier Field rectifier D575/1200 MRE-GEEF6S22

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Two-Quadrant Operation 1200A Output Current 480V 3AC Input 575V DC Output Controllable Field Rectifier SINAMICS DCM Series

Product description

The Siemens 6RA8091-6FS22-0AA0 is a high-capacity SINAMICS DCM (Digital Compact Module) DC converter, engineered for demanding two-quadrant drive applications. This unit provides precise control for DC motors, supporting both motoring and regenerative braking operations, which is crucial for applications requiring dynamic load handling and energy efficiency.

Featuring a B6C connection, this converter is designed for a 480V 3-phase AC input and delivers a substantial 575V DC output at 1200A. It incorporates a controllable field rectifier (D575/1200 MRE-GEEF6S22) for advanced motor field control, ensuring optimal performance across a broad speed range. This makes it ideal for heavy-duty industrial machinery.

Stanlo Automation, a veteran-owned surplus parts distributor, specializes in providing essential industrial automation components. We offer the Siemens SINAMICS DCM DC converter 6RA8091-6FS22-0AA0, ensuring you have access to reliable and cost-effective surplus solutions to keep your critical operations running smoothly.

Technical specifications

Type	SINAMICS DCM DC Converter
Application	Two-quadrant drives
Input	480V 3AC, 996 A
Controllable Rectifier	Field rectifier D575/1200 MRE-GEEF6S22
Output	575 V DC, 1200A
Connection	B6C

Common applications

Heavy Industry Drives

Metal Processing

Cranes and Hoists

Extruders

Large Conveyor Systems

Winders and Unwinders

Compatible systems

Siemens DC Motors High-Power Industrial Machinery Automation Control Systems

Also known as

Siemens 6RA8091-6FS22-0AA0 SINAMICS DCM 1200A Siemens DC Drive 575V

Replaces / compatible with

This high-capacity DC converter is suitable for replacing older large-scale DC drive systems or for upgrading applications requiring robust two-quadrant performance.

Technical note

Expert tip

Proper integration with the main control system and adherence to the recommended DC busbar and fusing requirements are critical for safe and reliable operation.

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Frequently asked questions

What are the input and output voltage and current ratings for the Siemens 6RA8091-6FS22-0AA0 SINAMICS DCM converter?

The Siemens 6RA8091-6FS22-0AA0 SINAMICS DCM converter has a 480V 3-phase AC input and a controllable field rectifier. It outputs 575V DC at a high current of 1200A.