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R911200526 (RD51.1-4N-037-L-D1-FW)

RD 500 Drive Controllers

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The Bosch Rexroth drive control unit R911200526 (RD51.1-4N-037-L-D1-FW), part of the RD series, is a converter designed for U/f curve control. It supports a nominal connection voltage of 3 x 380–480 VAC with ±10% tolerance and is compatible with motors rated up to 37 kW. The operational frequency range is 0 Hz to 250 Hz. This device features an IP20 protection degree in accordance with EN 60529, excluding connection terminals, and must be disconnected for at least five minutes before servicing to allow capacitors to discharge fully. The unit includes a four-line graphical display and supports connections for the RZC01.1-XT module with a NAMUR terminal strip and 24 V standby power. It is not equipped with a built-in brake chopper and is not suitable for use in hoisting equipment, cranes, or elevators.

Technical Specifications

Product Group
RD

Function
Converter

Nominal Voltage
3 x 380VAC to 480VAC

Voltage Tolerance
+/-10%

Rated Power Output
37kW

Design Code
1

Output Frequency
0Hz to 250Hz

Protection Degree
IP 20

Size Class
C

Display
Four-line graphical display

Shipping
Worldwide

High Voltage Warning
Can cause severe electric shock if mishandled

Turn Off Time
5 minutes for complete capacitor discharge

Unsuitable Applications
Hoisting equipment, cranes, elevators

Part of
RD 500 drive system

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1620 Old Apex Road
Cary, NC 27513, USA

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International: 1-919-443-0207

Fax: 1-919-867-6204

[email protected]

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Indramat USA 1 Year Warranty

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We offer a repair service for the RD51.1-4N-037-L-D1-FW.

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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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.