QSY090B-030-HP1-UN Bosch Rexroth Indramat
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The Bosch Rexroth Indramat QSY090B-030-HP1-UN is part of the QSY Synchronous Servo Motors series. This motor delivers a rated power output of 2.7 kW and a rated speed of 3000 rpm, with a rated torque of 8.5 Nm and a rated voltage of 330 V. It features a maximum torque of 43.5 Nm for up to 200 milliseconds and meets DIN 42948 and IEC 72 mounting flange standards.
Internal Product Review
The QSY090B-030-HP1-UN is a Bosch Rexroth Indramat QSY synchronous servo motor rated at 2.7 kW with a rated speed of 3000 rpm. A rated torque of 8.5 Nm and peak torque of 43.5 Nm give the motor a strong operating range for demanding motion applications. Grade S vibration severity and a 30000 h nominal bearing life highlight dependable long-term performance.
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Product Description:
The QSY090B-030-HP1-UN is a synchronous servo motor manufactured by Bosch Rexroth Indramat for the QSY Synchronous Servo Motors series. This frame-size 090 unit converts electrical energy into controlled mechanical rotation for positioning, contouring, and cyclic drive tasks in automated machinery. When used with Rexroth digital drives, the motor supplies closed-loop torque and speed so that transfer lines, packaging axes, or pick-and-place stages can follow programmed motion profiles with high repeatability. Its compact stator design, integrated feedback, and standardized mechanical interfaces simplify installation in multi-axis layouts while reducing the space required around each driven axis.
Under continuous duty with a 100 K winding temperature rise, the motor draws a rated phase current of 6.6 A and delivers 8.5 Nm of shaft torque at a base speed of 3000 rpm. At this operating point, the motor produces 2.7 kW of mechanical power. The motor operates from a 330 V DC link for compatibility with the associated drive module. Four pole pairs generate the rotating magnetic field, while DIN 42948 and IEC 72 flange dimensions allow the housing to mount directly on compatible machine interfaces. The ISO R775 shaft end supports connection to standardized gearboxes and ball screws without requiring a custom shaft adapter. Grade S vibration limits reduce the oscillations transmitted to sensitive machine frames during repeated acceleration and deceleration cycles.
For high-demand movements, the motor permits a pulse current of 42.0 A, allowing the electromagnetic system to generate up to 43.5 Nm of torque for rapid acceleration or short-duration load changes. When the axis stops under load, a stall torque of 13.0 Nm and a corresponding winding current of 10.1 A help maintain the commanded position at zero speed. Permanently lubricated bearings with a rated service life of 30,000 hours support the radial and axial loading associated with repeated motion cycles. The motor remains within Grade S vibration limits during rapid reversals in semiconductor, packaging, and assembly equipment. Its feedback system continuously reports rotor position to the connected digital drive, allowing the control loop to correct deviations caused by changing loads.
