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R911262004 (RAC 2.3-250-460-L00-W1)

RAC Spindle Drive Controllers

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1 Year Warranty Included
Free Ground Shipping
The Bosch Rexroth R911262004 (RAC 2.3-250-460-L00-W1) is an AC main spindle drive controller engineered for CNC machinery, supporting high-speed and high-precision continuous power applications. This device operates optimally between +5 °C to +45 °C, with tolerances up to +55 °C and functional performance at altitudes up to 1000 m. It utilizes a SERCOS interface for real-time speed command, supports a rated connection voltage of 3 x AC 400 V (50 Hz, ±15%) or 3 x AC 460 V, and is rated for 250 A. The controller delivers a continuous output of 65 kW, with regeneration outputs of 43 kW (continuous) and 78 kW (peak). It incorporates an internal blower for cooling, connects via interface terminal X4 (optical waveguides), and weighs approximately 125 kg including accessories.

Technical Specifications

Operating Temp Range
+5 to +45 ͦC

Max Operating Temp
+55 ͦC (with rated data reduced)

Use Case
CNC machines control

Interface
SERCOS

Rated Current
400 A

Operating Frequency
50 to 60 Hz

Tolerance
±15%

Additional Bleeder
None

Regenerated Output
43 kW

Peak Regeneration Output
78 kW

Continuous Output
65 kW

Peak Controller Output
78 kW

Max Altitude Operation
1000 m (without drive data reduction)

Ambient Temp Range
+5 to +45 ͦC

Storage and Transport Temp
-30 to +85 ͦC

Weight
125 kg (including mounting and accessories)

Cooling
Built-in fan

Common Misspellings

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
product repair We offer a repair service for the RAC 2.3-250-460-L00-W1.
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