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Siemens SIMOREG DC Master 6RA7081-6GV62-0 Rectifier

Siemens 6RA7081-6GV62-0 SIMOREG DC Master rectifier for four-quadrant drives.

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ManufacturerSiemens

Part number6RA7081-6GV62-0

Manufacturer Siemens

Part Number 6RA7081-6GV62-0

Series SIMOREG DC Master

Type Microprocessor Controlled Rectifier

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Microprocessor control Four-quadrant operation 600V DC, 400A armature output 375V, 25A field output Regenerative capability High-performance DC drive control

Product description

The Siemens 6RA7081-6GV62-0 is a SIMOREG DC Master rectifier equipped with a microprocessor for sophisticated control of four-quadrant DC drives. It features a B6 (six-pulse) circuit for both armature and field rectifiers. The unit supports a 3-phase AC input of 575V with a nominal current of 332A. Its controllable output provides up to 600V DC at 400A for the armature circuit, and the field rectifier outputs 375V at 25A from a 460V input.

This rectifier is ideal for applications requiring precise and dynamic control of DC motor speed and torque, such as in metal processing, mining, printing presses, and large material handling systems. Its four-quadrant capability allows for regenerative braking, improving energy efficiency.

Stanlo Automation, a veteran-owned distributor of surplus industrial parts, offers the Siemens 6RA7081-6GV62-0. We provide reliable and cost-effective solutions for your DC drive system needs, ensuring access to essential components.

Technical specifications

Manufacturer	Siemens
Part Number	6RA7081-6GV62-0
Series	SIMOREG DC Master
Type	Microprocessor Controlled Rectifier
Circuit	4-Quadrant (B6)
Input	575V 3 AC, 332A
Output (Armature)	600V DC, 400A (US Rating: 286A)
Output (Field)	460V Input, 375V 25A Output

Common applications

Metal Processing

Mining Equipment

Printing Presses

Material Handling

Crane Systems

Test Benches

Industrial DC Drives

Compatible systems

Siemens SIMOREG DC Master Systems Four-Quadrant DC Motor Control Industrial DC Drive Applications 575V 3-Phase Power Systems

Also known as

Siemens SIMOREG 6RA7081 6RA70816GV620 Siemens DC drive rectifier

Replaces / compatible with

The 6RA7081-6GV62-0 replaces older SIMOREG DC Master rectifier modules or other DC drive control systems requiring similar voltage and current ratings and four-quadrant capabilities.

Technical note

Expert tip

For optimal performance and longevity of the 6RA7081-6GV62-0, ensure adequate cooling and maintain the specified input voltage and frequency within the operating parameters.

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Frequently asked questions

What is the maximum output current for the armature circuit of the Siemens 6RA7081-6GV62-0 rectifier?

The Siemens 6RA7081-6GV62-0 SIMOREG DC Master rectifier has a controllable armature output of 600V DC at 400A. The US rating for the armature output is 600V DC at 286A.