SR-A3.0093.030-10.000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SR-A3.0093.030-10.000 is a synchronous servo motor from the SR Synchronous Servo Motors series with a flange size of 116 mm and a mass of 12 kilograms without brake. It offers a rated speed of 3000 min^-1, a locked-rotor torque of 8.1 Nm, and a protection rating of IP67 except at the output side. The motor features a resolver feedback type with a resolution of 8192 increments per revolution and includes two NTC temperature sensors.
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Product Description:
The SR-A3.0093.030-10.000 synchronous servo motor is produced by Bosch Rexroth Indramat within the SR Synchronous Servo Motors series. The device converts electrical energy from a matched drive into controlled rotary motion for industrial automation axes, supplying precise torque and speed so indexing tables, linear stages, and conveyor sections can reach commanded positions quickly and repeatably. Using permanent-magnet excitation and digital resolver feedback, the motor lets the drive monitor rotor position continuously, maintain tight velocity regulation, and execute rapid starts and stops in multi-axis assembly cells. This operating profile suits applications that require accurate motion response during frequent speed changes and short positioning cycles.
The motor uses IM B5 construction, which means flange mounting without feet, and the flange outer square measures 116 mm for standardized machine integration. Position feedback comes from a resolver with 8192 incr./rev., allowing fine position tracking across the speed range. At stall, the windings draw 6.0 A, and the torque constant is 1.35 Nm/A. A smooth shaft with dimensions of 19 × 40 mm supports direct coupling to gearboxes or timing pulleys, and two NTC temperature sensors report winding temperature to the drive for thermal protection. This feedback and thermal monitoring help the motor stay responsive while protecting the winding system during demanding duty cycles.
The motor reaches a rated speed of 3000 rpm, while rotor inertia of 16 × 10⁻⁴ kg·m² helps limit overshoot during acceleration and deceleration. With the shaft blocked, it can develop 8.1 Nm of torque. The unit weighs 12 kg, which helps provide stable mechanical behavior during operation. Ingress protection is IP67, although the output end is subject to the limits of the shaft seal opening. This level of protection helps guard internal components against dust and water exposure in harsh production areas. The overall length without an optional brake is 287 mm, which helps the motor fit into compact machine layouts.
