8LSA74.E0030D000-0 B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The B & R Automation 8LSA74.E0030D000-0 is a three-phase synchronous motor from the 8LS Synchronous Motors series. It features self-cooling with free air circulation, an angled connector, and a 190 mm flange dimension. The motor uses optical EnDat 2.1 encoder technology with a single-turn capability and a rated speed of 3000 rpm.
Internal Product Review
The 8LSA74.E0030D000-0 is a B & R Automation three-phase synchronous motor with self-cooling free circulation and an optical EnDat encoder. A 3000 rpm rated speed and angled swivel connector make this unit especially appealing for precise motion control and clean machine integration.
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Product Description:
The 8LSA74.E0030D000-0 motor is supplied by B & R Automation as part of the 8LS Synchronous Motors series. Designed for servo axes that demand accurate position and velocity regulation, it operates as an electromechanical actuator in conveyor sections, pick-and-place gantries, and packaging lines. The housing follows an IEC square-frame pattern, so the unit can bolt directly to gearboxes or machine plates without custom adapters. When connected to a compatible inverter, it delivers controlled rotary power without the slip associated with induction motors.
This model has a three-phase synchronous design, allowing balanced torque generation from a three-leg drive stage. Under nominal excitation, the rotor reaches 3000 rpm, a speed suitable for medium-inertia tooling. Heat is removed through self-cooling with free air circulation, eliminating the need for auxiliary fans. A square 190 mm flange interfaces with the mounting flange on the machine frame, and length code 4 indicates the active stack height. Power and feedback cables emerge from an angled swivel outlet fitted with a locking connector to simplify cable routing. The 8LSA designation indicates the standard build without reinforced bearings, while the smooth shaft simplifies coupling. No holding brake is fitted, an oil seal is absent, and connection hardware is supplied through the integral connector.
Position information is captured by an optical EnDat feedback system that supports protocol version 2.1. The encoder delivers an absolute resolution of 13/0 bits and reports the shaft angle once per mechanical revolution because it provides single-turn operation. This digital link allows the drive to verify encoder identity, monitor operating temperature, and program zero offsets without additional wiring, reducing setup time in multi-axis installations. Direct digital communication also helps protect feedback signals from electrical interference commonly found near motor power cables and switching equipment. The encoder’s absolute position data is available after startup, allowing the controller to determine the angular position without performing a separate homing movement within the supported revolution.
