R911256104 (RAC 3.5-150-460-A0S-Z1-220)

RAC Spindle Drive Controllers

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1-888-551-3082

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The R911256104 (RAC 3.5-150-460-A0S-Z1-220) is a Rexroth Indramat RAC series AC main spindle drive controller designed for precise spindle motor operation. It operates at a rated connection voltage of 3 x AC 400 V, 50 Hz, ±15% or 3 x AC 460 V, supporting a rated current of 150 A. The controller provides a speed command via an analog ±10 V set point and utilizes a serial interface RS 232-C. Cooling is achieved through an internal blower and built-in fan. The device features an integrated heat sink, supports an interface terminal X4 with 9 poles, and operates without an additional encoder input. The unit weighs 120 kg, with approximately 4 kg for additional equipment.

Technical Specifications

Power Output Configuration
Configurable

Synchronization
High stiffness and broad speed range

Power Connector Type
Three-phase

Temperature Control
Built-in fan and heat sink

Resolution
1/4000000th of a revolution

Rated Current
150 Amperes

Speed Set Point
Analog 10 Volt

Additional Encoder
No

Built-in Serial Interface
RS 232 C

Contains Bleeder Resistor
Yes

Weight
120 kilograms

Installation Accessories Weight
Approximately 2 kilograms

Mounting Frame Weight
Approximately 1.7 kilograms

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Internal Product Review

The RAC 3.5-150-460-A0S-Z1-220 is an AC main spindle drive controller from Bosch Rexroth Indramat, offering robust operation with a 150 A rated current and support for 3 x AC 400 V or 460 V input. Featuring an internal blower for efficient cooling and a reliable RS 232-C serial interface, this unit is well-suited for demanding industrial spindle applications. The addition of a built-in bleeder enhances safety and performance in high-load environments.

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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Indramat USA 1 Year Warranty

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We offer a repair service for the RAC 3.5-150-460-A0S-Z1-220.

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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.