8LSA75.EB022C104-0
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The B & R Automation 8LSA75.EB022C104-0 is part of the 8LS Synchronous Motors series and features a motor size of 75 with a 225mm flange. This naturally cooled servo motor includes an IP65 protection class and a single-turn absolute encoder. It operates nominally at 3000 rpm with a rated voltage of 400V.
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Product Description:
B & R Automation manufacture the 8LSA75.EB022C104-0 Synchronous Motor that should be used in industrial automation. This motor delivers 6336 W of operating power and achieves a maximum torque of 150 Nm. The nominal torque is rated at 27.5 Nm while the stall torque reaches up to 33 Nm.
The 8LSA75.EB022C104-0 Synchronous Motor maintains a maximum speed of 6000 rpm and functions well at a baseline pace of 200 min?. The motor confirms smooth operation under varying loads due to its stable performance characteristics. The operating current is measured at 12.39 A with a stall current of 14.86 A. The peak demand reaches a maximum current of 99 A under full load conditions. The electrical time constant is 16.67 ms with a stator inductance of 9 mH. This motor features motor size 7 and is designed with an exceptionally large motor length. It uses a self-cooling mode which eliminates the need for external cooling systems. The reinforced A-side bearing ensures improved mechanical stability and durability under high loads. This 8LS synchronous motor has five poles and a moment of inertia of 60 kgxcm^2. It conforms to insulation class F as per IEC 60034. The shaft end is keyed which allows secure mechanical integration. The motor cable supports a cross-section of 1.5 mm^2.
The 8LSA75.EB022C104-0 Synchronous Motor complies with IEC 60034-14's vibration severity class R. For flexible deployment, a maximum installation altitude of 2000 meters is permitted. The operating temperature range accommodates tough situations and is between -15 degrees C and +40 degrees C. According to IEC 60034-11, the thermal motor protection allows a winding temperature of up to 145 degrees C. At every 10 degrees C increase beyond 40 degrees C results in a 10% decrease in the rated and stall current.
Frequently Asked Questions about 8LSA75.EB022C104-0:
Q: How does the 9 mH stator inductance benefit the 8LSA75.EB022C104-0 motor's performance?
A: The 9 mH inductance helps smooth current transitions, minimizing torque ripple during sudden load changes. This enhances operational consistency in automation systems.
Q: Why is the electrical time constant of 16.67 ms important in the 8LSA75.EB022C104-0?
A: The 16.67 ms time constant ensures fast current build-up, making the motor highly responsive to control inputs. This is crucial for applications with frequent start-stop cycles.
Q: How does the keyed shaft end of the 8LSA75.EB022C104-0 improve mechanical integration?
A: The keyed shaft end provides a secure mechanical interface, preventing slippage during torque transmission. This is essential for high-torque industrial tasks.
Q: What role does the large motor length play in the 8LSA75.EB022C104-0?
A: The increased motor length allows for better thermal dissipation and higher torque capacity. It enhances the motor's mechanical strength for industrial use.
Q: How does the motor cable cross-section size of 1.5 mm^2 affect current handling in the 8LSA75.EB022C104-0?
A: The 1.5 mm^2 cable cross-section supports safe current flow with minimal voltage drop. It ensures reliable motor performance under rated conditions.
