1-888-551-3082 | 1-919-443-0207 | [email protected]

R911200970 (RD51.1-4B-045-L-L1-FW)

RD 500 Drive Controllers

Rated 4.8 stars (14 total reviews)

Call For Quote

Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping

Phone

Part Number

+Add a message

Message

Request a Replacement

Request a Repair

Quote Both

Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping

Current response time:

3 Minutes 35 Seconds

Phone:
1-888-551-3082

Email:
[email protected]

The Bosch Rexroth R911200970 (RD51.1-4B-045-L-L1-FW) drive control unit is engineered for integration in the RD 500 system, supporting regulation and monitoring of synchronous and induction motors. This unit, within design category 1, utilizes U/f characteristic curve control and operates with input voltages from 380 to 480 V AC (±10%). It features integrated feedback for cable damping (C3, D3), built-in brake chopper, forced air cooling (for ≥110 kW), and 45 kW rated power. The device has an IP20 protection rating, 3K3 environmental class, and supports PWM frequencies of 4, 8, and 12 kHz. Configuration is achieved via operator panel or RDwin PC software, with firmware setup required prior to operation. EMC compliance is maintained for noise emission control.

Technical Specifications

Function
Regulates and monitors electric motors

Control
U/f characteristic curve control

Design category
1

Compatible with
Various synchronous and induction motors

Weight
36 kg

Protection Rating
IP 20

Cable Damping Feedback
C3, D3

Size Class
C

Environmental Class
3K3

Additional Features
Integrated brake chopper

Operating Voltage
380 to 480 V AC

PWM Frequency Bands
4 kHz, 8 kHz, 12 kHz

EMC Directives Compliance
Yes

Firmware
Available as add-on item

Shipping
Global

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]

Shipping & Payment Options

Warranty

Indramat USA 1 Year Warranty

Repair

We offer a repair service for the RD51.1-4B-045-L-L1-FW.

Exchange

Want to sell your RD51.1-4B-045-L-L1-FW?

Indramat Is Trusted By

Quick Links

Terms and Policies

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.