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R911200687 (RD51.1-4B-037-L-D1-FW)

RD 500 Drive Controllers

Rated 4.2 stars (12 total reviews)

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The R911200687 (RD51.1-4B-037-L-D1-FW) is a universal drive controller from the Bosch Rexroth REFUDrive RD50 series, designed for operation on 3-phase AC input of 380–480 V (±10%). It delivers a nominal output of 37 kW at a 4 kHz pulse frequency, with output power derating when operating on 200–230 V AC. At 8 kHz, the unit provides up to 30 kW output. Features include 24 V standby power, a built-in brake chopper, U/f curve control, forced air cooling, and connection capability for RZC01.1-XT with NAMUR terminal strip. The controller weighs 36 kg, and functions within an ambient temperature range of 0–40°C and up to 90% non-condensing relative humidity.

Technical Specifications

Product Line
REFUDrive RD50 Family

Rated Converter Input
380 to 480 Volts AC

Optional Converter Input
200 to 230 Volts AC with output derating

Nominal Output with Rated Input and 4kHz
37 kW

Output Current at 4kHz
82 Amps

Rated Apparent Power Output at 4kHz
54 kVA

Output Power at 8kHz
30 kW

Output Current at 8kHz
56 Amps

Rated Apparent Power Output at 8kHz
37 kVA

Brake Chopper Continuous Power Rating
23 kW

Brake Chopper Peak Power Rating
93 kW

Cooling Method
Forced air cooling

Cooling Requirement
0.2 m3/s air flow

Weight
36 kilograms

Housing Rating
IP20 (cabinet mount)

Qualified Operators
Properly trained and qualified technical personnel

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-037-L-D1-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.