SF-A4.0230.060-00.050 Bosch Rexroth Indramat
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MPN: 1070076534
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The Bosch Rexroth Indramat SF-A4.0230.060-00.050 servo motor is part of the SF Servo Motors series and delivers a rated speed of 6000 min^-1 with a locked-rotor torque of 22 Nm. It features an absolute encoder system, IP67 protection, and uses permanent magnet excitation with electronic commutation. This motor has an aluminum housing with a 142 mm flange size and a DC link voltage of 670 V.
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Product Description:
The SF-A4.0230.060-00.050 is a servo motor produced by Bosch Rexroth Indramat for the SF Servo Motors series. This electronically commutated, permanent-magnet unit converts electrical energy into controlled mechanical rotation for positioning and velocity control in industrial automation. With a compact B5 flange mount and aluminum housing, it integrates directly into machinery where fast response and high accuracy are required. The part designation SF-A4.0230.060-00.050 identifies its frame size, winding configuration, and sensor equipment within the series.
Supplying the windings through a DC link of 670 V enables rapid current rise and quick torque production. The flange diameter of 142 mm provides a standardized mechanical interface for IM B5 mounting, allowing rigid coupling to gearboxes or load shafts. During start-up, the drive may command a locked-rotor current of 25 A, which develops a stall torque of 22 Nm for overcoming static friction or gravitational loads. Once released, the rotor can reach a rated speed of 6000 rpm, supported by a torque constant of 0.88 Nm/A. A sinusoidal EMF waveform works with electronic commutation to minimize ripple, while permanent-magnet excitation maintains steady flux without external field power.
The enclosure carries a protection rating of IP67, sealing the aluminum body against dust and temporary immersion so the motor can operate on washdown lines or exposed axes. The motor uses 2 NTCs to provide thermal status to the drive for real-time current limiting. Position information is delivered by an absolute encoder, eliminating homing sequences after power loss and supporting multi-turn monitoring. Electronic commutation, a sinusoidal back EMF, and the IM B5 construction allow smooth torque delivery while keeping installation compatible with standard flange faces.
