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R911201256 (RD51.1-4B-075-L-L1-FW)

RD 500 Drive Controllers

Rated 4.6 stars (10 total reviews)

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[email protected]

The Rexroth Indramat MPN R911201256 (RD51.1-4B-075-L-L1-FW) is an industrial drive controller engineered for closed-loop motor control applications across sectors such as food processing, textile, and paper conversion. It features IP20 grade housing, offering protection against solid objects larger than 12mm, and is operated via a detailed interface. The unit incorporates forced air cooling with an internal fan and supports SERCOS interface communication. Rated at 75 kW, the converter operates at 3 x AC 380 to 480 V (±10%), with an optimum rated current of 135 A and the capacity to handle up to 230 A. Additional capabilities include feedback of cable damping (C3, D3), a built-in brake chopper, and U/f curve control. Firmware modules must be selected based on application requirements.

Technical Specifications

Product Type
Industrial Drive Controller

Protection Category
IP20

Usage Industries
Textile, Food processing, Paper converting

Cooling System
Internal Fan

Communication Interface
SERCOS

Operational Efficiency
95 percent

Life Expectancy
7 Years

Rated Current Requirement
135 Amperes

Peak Current Capability
230 Amperes

Output Power Range
75 kilowatts

Firmware Module
Not Included

Global Shipping
Available

Common Misspellings

1620 Old Apex Road
Cary, NC 27513, USA

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Fax: 1-919-867-6204

[email protected]

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Warranty

Indramat USA 1 Year Warranty

Repair

We offer a repair service for the RD51.1-4B-075-L-L1-FW.

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

Phone

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.