R911258028 (RAC 2.3-250-460-L00-Z1)

RAC Spindle Drive Controllers

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Phone:
1-888-551-3082

Email:
[email protected]

The Indramat MPN R911258028 (RAC 2.3-250-460-L00-Z1) is a main spindle AC drive controller engineered for industrial automation, particularly for precise C-axis position control in CNC applications. It supports a 3-phase AC supply at 400–460 V (±15%, 50 Hz), delivers 65 kW of continuous power at a rated current of 250 A, and features an additional bleeder resistor for regeneration up to 43 kW, peaking at 78 kW for 5 seconds. This model is equipped with an internal blower for cooling, operates from +5 to +45 °C at altitudes up to 1000 m, and has IP10 enclosure protection. Interfaces include SERCOS for real-time communication via optical waveguides (X4 terminal) and a 10V speed set-point. The unit weighs 125 kg.

Technical Specifications

Product Type
Main Spindle Drive Controller

Rated Current
400 A

Continuous Power
65 kW

Continuous Regenerated Power
43 kW

Peak Bleeder Output
78 kW

Max Operation Altitude
1000 meters

Permissible Temperature Range
+5 to +45 °C

Communication Interface
SERCOS

Encoder Input
None

Additional Interface
None

Weight
125 kg

Protection Class
IP 10

Cooling System
Built-in fan

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Available

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Internal Product Review

The RAC 2.3-250-460-L00-Z1 is an AC main spindle drive controller from Bosch Rexroth Indramat, featuring a robust internal blower for efficient cooling and a 250 A rated current for demanding spindle applications. This model supports SERCOS interface for precise speed command and offers flexible connectivity with X4 optical waveguide terminals. With the inclusion of an additional bleeder, the unit ensures reliable energy dissipation for continuous operation.

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 RAC 2.3-250-460-L00-Z1.

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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 unused surplus 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.