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R911256156 (RAC 2.3-250-460-D0D-W1)

RAC Spindle Drive Controllers

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Expedited Lead Times on Select Parts
1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The Bosch Rexroth R911256156 (RAC 2.3-250-460-D0D-W1) drive controller facilitates the operation of 2AD asynchronous main spindle motors and 1MB frameless spindle motors, producing a continuous output of 65 kW at the motor output shaft. With a rated connection voltage of AC 460V, the controller operates off an AC 3 × 400-460V power source at 50/60 Hz frequency, tolerating up to ±15% inconsistency. The controller has a notable speed range and desirable stiffness; ideal for numerical machine tools. It generates a continuous output of 43 kW, with peak output of 78 kW possible for up to 5 seconds. Weighing approximately 121 kg, the controller uses control cabinet exterior air for cooling, thanks to a built-in fan, while operating comfortably between +5 to +45 ͦ C. Protected by IP10 class, which guards against large solid particles, it works best up to 1000 m above sea level. This controller can be shipped worldwide and includes a one-year warranty from Indramat USA.

Technical Specifications

Control Type
Drive Controller

Continuous Output
65 kW

Rated Connection Voltage
AC 460V

Power Source
AC 3 × 400-460V

Operating Frequency
50/60 Hz

Tolerance
±15%

Key Features
Broad Speed Range, Stiffness, Continuous Power

Continuous Regenerated Output
43 kW

Peak Regenerated Output
78 kW

Maximum Peak Duration
5 seconds

Weight
121 kg

Cooling System
Built-in Fan

Speed Set-Point
16-bit Parallel Digital

Additional Bleeder Resistor
No

Protection Class
IP10

Operating Temperature
5 to 45 ºC

Maximum Temperature
55 ºC

Maximum Installation Height
1000 m

Common Misspellings

Shipping & Payment Options
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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-D0D-W1.
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