8MSA5M.E0-B7
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The 8MSA5M.E0-B7 from B & R Automation belongs to the 8MS Three Phase Synchronous Motors series and is crafted from stainless steel. It features a 5mm shaft diameter, ISO h7 tolerance, and supports a maximum rotational speed of 7000 rpm. With a hardness rating of 58 HRC, it weighs just 35 grams.
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Product Description:
The B & R Automation's product code 8MSA5M.E0-B7 is a three-phase synchronous motor, which produces a nominal torque of 8.5 Nm for applications needing steady mechanical power output. This motor has a maximum torque support of 10.5 Nm to handle intermittent overload requirements in dynamic motion systems without influencing performance reliability.
For stationary applications, this synchronous motor delivers a holding torque of 15.0 Nm that guarantees mechanical locking during positioning, lifting, or clamping operations. The 8MSA5M.E0-B7 motor is designed to run on a nominal voltage of 360 V, which is best suited for industrial-grade 3-phase power systems for efficient electromagnetic performance within stator windings. This synchronous motor consumes a nominal current of 5.20 A, suitable for long-term operation at rated load without thermal overload. It supports a maximum current of 6.00 A to give an effective response to sudden acceleration, start-up requirements, or abrupt load changes without endangering insulation failure or component stress. This motor’s rotational output is specified by a nominal 3000 min⁻¹ speed to deliver steady speed for equipment that needs uniform motion, e.g., conveyors, feeders, or automated assembly. Furthermore, this motor is installable up to altitudes of 1000 meters above sea level, where all its performance is retained.
A built-in 24 VDC braking system of this motor guarantees clean stops in applications where sudden stopping or power-off is present, thus ensuring process safety and reliability. The position feedback of this motor is provided by an EnDat single-turn encoder (ECN1313) with 512 lines to give a high-resolution signal output for motion control synchronization. This synchronous motor has protection against the environment in the form of an IP64 rating, which allows for mounting in manufacturing areas with airborne particles or periodic fluid exposure. The 8MSA5M.E0-B7 motor is insulated with a class F rating for continuous operation with higher winding temperatures and improved overall thermal resistance.
Frequently Asked Questions about 8MSA5M.E0-B7:
Q: How does the 24 VDC brake improve operational control in 8MSA5M.E0-B7?
A: It ensures secure stopping and holding during unpowered states or emergency halts. This is critical in vertical axis systems and high-inertia loads.
Q: Why is the EnDat ECN1313 encoder with 512 lines beneficial?
A: It provides accurate single-turn positioning and reliable feedback to motion controllers. This helps achieve precise control in servo-driven applications.
Q: How does the IP64 protection rating enhance motor durability?
A: It prevents dust ingress and resists water spray from any direction. This makes the motor reliable in semi-exposed industrial environments.
Q: What is the function of insulation class F in this motor?
A: It allows the motor to withstand winding temperatures up to 155°C. This extends operational life under demanding thermal conditions.
Q: Why is a peak current of 6.00 A useful in 8MSA5M.E0-B7?
A: It allows the motor to absorb momentary overloads without triggering faults. This is especially useful during acceleration or dynamic load shifts.
