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R911275412 (KDA 3.3-150-3-D0I-W1)

KDA Spindle Drives

Rated 4.7 stars (7 total reviews)
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The R911275412 (KDA 3.3-150-3-D0I-W1) is a Bosch Rexroth main spindle drive designed for 1MB and 2AD series motors, delivering continuous output between 3 and 22 kW at the shaft. The unit features digital control, monitoring, and diagnostics, including a high-resolution rotor position sensor. It supports precise internal position control and is optimized for C-axis operation and spindle positioning in numerically controlled machinery. The device utilizes a built-in heat sink and is designed for installation at altitudes up to 1000 meters above sea level. The accessible control panel includes READY and FAULT indicators. The drive draws 1.6 A at a +24 V load voltage and operates with a continuous current of 90 A, a rated current of 150 A, a rated connection voltage for the attached blower (AC 50–60), and a rated voltage of 300 V. It is classified with IP 10 protection and should only be used in environments free of condensation, as it affords minimal resistance to water ingress or deliberate penetration.

Technical Specifications

Motor Compatibility
1MB and 2AD Range of Motors

Output
3 to 22kW

Operation Control
Digital Microcomputer

Installation Elevation
1000m above sea level

Cooling Method
Heatsink

Control Panel Features
READY and FAULT buttons, Keypad and Display

Current Consumption
1.6A at +24V load voltage

Weight
17.4kg

Transport and Storage Temperature
-30°C to 85°C

Protection Rating
IP 10 (DIN 40 050 Specifications)

Package
Custom Military-Grade Foam Wrapping.

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
We offer a repair service for the KDA 3.3-150-3-D0I-W1.
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