8MSA3X.R0-42
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The 8MSA3X.R0-42 is a high-performance three-phase synchronous motor with a steel construction and a module rating of 3. Manufactured by B & R Automation, this motor is part of their 8MS Three Phase Synchronous Motors Series and features a length of 1000 mm. It boasts a DIN 6 quality grade and ground surface treatment.
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Product Description:
The 8MSA3X.R0-42 is a 3-phase synchronous motor, which is made for high-performance motion with a strong emphasis on electrical, thermal, and mechanical efficiency. The B & R Automation has made this motor, and it is rated at 1.82 A, which is used to produce stable torque under normal operating conditions.
This 8MSA3X.R0-42 3-phase motor can sustain dynamic changes in load with a maximum current of 9 A and provide short, high-torque bursts necessary for rapid accelerations or load changes. At full-load locked condition, this motor consumes 2.08 A stalled current, which determines its electrical characteristics at maximum torque resistance. This motor offers a rated torque of 2.5 Nm, which is for continuous operation in automation applications. For start-stop or high-hold operations, this synchronous motor features a stall torque of 3 Nm with reliable mechanical holding capability. The torque constant of 1.44 Nm/A provides this motor with a linear increase of torque output with input current, making it suitable for applications where fine torque control is demanded. The voltage constant of 87 V/1000 min⁻¹ demonstrates proper speed control and synchronism by this motor, which are critical features in drive systems needing finer motor positioning.
The 2.3 ms electrical time constant enables this motor’s fast response to current, thus improving closed-loop control responsiveness. The thermal time constant of 33 minutes for the 8MSA3X.R0-42 3-phase motor provides stable temperature increase and gradual heat saturation during prolonged duty cycles. The self-cooling technique keeps this synchronous motor running efficiently without any external fan or surface cooling, hence reducing the complexity of thermal management. Mechanically, this motor’s shaft length is 30 mm, appropriate for accurate shaft-coupling arrangements in space-constrained machines. The 8MSA3X.R0-42 motor is designed for being installed at altitudes up to a maximum of 2000 meters with complete functional capability without derating of performance.
Frequently Asked Questions about 8MSA3X.R0-42:
Q: How does the voltage constant of 87 V/1000 min⁻¹ affect performance?
A: It ensures accurate speed control and improves synchronization in servo systems. This is crucial for applications requiring tight velocity regulation.
Q: Why is the self-cooling feature significant in 8MSA3X.R0-42?
A: It removes the need for external cooling units, simplifying installation. It also enhances reliability by reducing moving parts like fans.
Q: What role does the 2.3 ms electrical time constant play?
A: It allows quick current response in closed-loop systems. This improves dynamic performance during speed or load changes.
Q: How does the 33-minute thermal time constant benefit this motor?
A: It indicates slower heat buildup under continuous operation. This enhances thermal stability in long-duration tasks.
Q: What kind of control systems benefit from the 1.44 Nm/A torque constant of 8MSA3X.R0-42?
A: It supports systems that require linear torque response. Precision applications like CNC machines benefit from this predictability.
