8MSA3L.R0-B4
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The 8MSA3L.R0-B4 is a lightweight synchronous motor constructed from durable polyurethane, weighing just 0.08 Kg. Developed by B & R Automation, it belongs to the 8MS Three Phase Synchronous Motors series, delivering a maximum torque of 47 Nm. With a maximum speed of 7500 rpm, it operates within a temperature range of -40°C to +80°C.
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Product Description:
The 8MSA3L.R0-B4 Motor is engineered by B & R Automation to provide robust and reliable motion control in industrial automation settings. It is featured with advanced features and it belongs to the series of 8MS Three Phase Synchronous Motors.
The 8MSA3L.R0-B4 motor has a moment of inertia for the brake is 0.18 kgcm² which implies the brake has minimal impact on system dynamics (useful for precise control and rapid stopping). The module has a grade R vibration severity which is typically a robust industrial standard that is suitable for most general purpose industrial environments. For its wiring the type of electric connector used is circular from interconnect which are high quality and quick connect interfaces commonly used in automation for ease of installation and reliability. For short bursts of peak load the maximum current it can draw is 7.7 Amperes which suggests a moderate power range. The voltage range the motor's drive should accept is 3 x 400 VAC ... 3 x 480 VAC ± 10 % which is typical in industrial environments and supports slight voltage fluctuations. It is a six pole motor due to which it has a lower speed but offers higher torque at lower speeds.
The 8MSA3L.R0-B4 motor operates safely at relatively high temperatures as it can withstand temperatures up to 155°C due to its class D insulation. It comes with a resolver which is a type of rotary position sensor used for feedback in servo motors. It can reach speeds up to 12,000 RPM, which is very high and indicates that it is designed for fast moving or high precision applications. It has a cable with size of 1.5 mm² which suggests a moderate current-carrying requirement.
Frequently Asked Questions about 8MSA3L.R0-B4:
Q: Why is a resolver used in the 8MSA3L.R0-B4 motor instead of an optical encoder?
A: Resolvers are highly durable and function reliably in harsh environments with vibration and temperature fluctuations. This makes them ideal for the rugged demands of industrial automation.
Q: How does the six-pole configuration of the 8MSA3L.R0-B4 motor affect torque delivery?
A: A six-pole design provides higher torque at lower speeds compared to two- or four-pole motors. This supports heavy-load applications with smoother low-speed operation.
Q: Why is DIN ISO 281 bearing compliance important in the 8MSA3L.R0-B4 motor?
A: It ensures predictable bearing lifespan and consistent performance under dynamic loads. This reduces maintenance frequency in continuous-duty applications.
Q: What advantages does self-cooling offer in this synchronous motor design?
A: Self-cooling eliminates the need for external fans or liquid cooling systems. It simplifies installation and reduces maintenance requirements in enclosed environments.
Q: How does the C-UR-US listing benefit the 8MSA3L.R0-B4 motor in North American markets?
A: It confirms that the motor meets both Canadian and U.S. safety standards. This certification is essential for regulatory compliance in industrial installations.
