8JSA42.R0015D700-0 B & R Automation
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The B & R Automation 8JSA42.R0015D700-0 is part of the 8JS Synchronous Motors series and uses self-cooling and a keyed shaft end. This flange mounted synchronous motor features an encoder accuracy of 10 angular minutes with a resolver system and a nominal speed of 1500 RPM.
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Product Description:
The 8JSA42.R0015D700-0 is a synchronous motor produced by B & R Automation within the 8JS Synchronous Motors series. It serves as an electromechanical actuator in automated lines, converting commanded current from a servo drive into controlled rotation for packaging stations, pick-and-place axes, or material-handling gantries. Integration is simplified by its standardized flange interface, allowing the motor to bolt directly to gearboxes or machine frames without additional adapters. This arrangement provides a rigid connection between the motor housing and the driven equipment while supporting accurate shaft alignment.
The drive delivers a nominal shaft speed of 1500 rpm, which is suitable for moderate-torque applications that need constant motion without overspeeding mechanical transmissions. Heat is removed through self-cooling; the stator housing dissipates losses to the ambient air and avoids the additional components required for forced ventilation. Positioning accuracy is within 10 angular minutes, making the motor suitable for indexing duties that tolerate minute-level error bands. The Motor Size 4 designation indicates the motor’s physical envelope and associated stator diameter. Installation relies on flange mounting, allowing the face bolts to secure the motor firmly while maintaining alignment between the motor and the driven load.
The power and feedback conductors exit through an angled swivel connector, allowing cable runs to clear guide rails or guarding without sharp bends. Rotor position is detected with a resolver, an analog transducer that tolerates electrical noise and high operating temperatures. An internal oil seal helps prevent lubricant from entering the bearing cavity, which supports longer service intervals in grease-filled assemblies. Torque is transmitted through a keyed shaft, providing positive engagement with compatible couplings and reducing the risk of rotational slippage under load. The motor is supplied without a holding brake, so an external brake or drive-generated torque is required when a stationary load must be retained. Length code 2 indicates a shorter motor stack that reduces mass for dynamic axes and supports responsive acceleration during repetitive motion cycles.
