8MSC5M.R0-D250-2
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The 8MSC5M.R0-D250-2 is a double-flanged synchronous motor component with an aluminum build and a 25 mm finished bore. Designed by B & R Automation as part of the 8MS Three Phase Synchronous Motors series, it features a pitch of 5 mm. Additional specifications include 50 teeth, a keyway, and a belt width of 15 mm.
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Product Description:
8MSC5M.R0-D250-2 is an 8MS series servo motor. Its manufacturer is B&R Automation, an Austrian provider of solutions for industrial automation. The motor uses resolver-based feedback. If required, operators can also order encoder based feedback for 8MS motors. This is a surface cooled motor with an integrated cooling fan with sintec sleeve bearings. Power supply voltage for the fan is 24 Volts DC. This is a C-UL-UL listed fan. It has an electronically commutated external motor rotor. Protection class of the fan is IP20. Integrated protection features on the fan include blocking and overload protection. The fan’s operating noise is 44 dB(A). The specified temperature range is from -10 to 75 ⁰C. Operating lifespan for the fan depends on operating temperature: at 40 ⁰C it is 85,000 hours and at the maximum temperature it is 37,500 hours. Power consumption of fan is 3.5 Watts.
Rated speed of the 8MSC5M.R0-D250-2 motor is 3000 RPM. The stall current is 8.26 Amps and the stall torque is 13.65 Nm. The rated and peak torque values are 11.44 Nm and 31.5 Nm. The rated and peak current values are 7.15 Amps and 31.6 Amps. 8MSC5M.R0-D250-2 is a motor that can operate at maximum speeds of the 9000 RPM. Inductance and resistance of the motor stator are 20 millihenry and 2.25 Ohms. Thermal time constant of the motor is 50 minutes. Its rotor moment of inertia is 6.2 kg cm2. Weight of the AC motor is 10 kilograms. For safe and smooth operation, B&R recommends motor cables with minimum 1.5 mm2 cross-sectional area. This AC motor has a smooth shaft. As the shaft lacks an oil seal, the motor’s protection class is IP64.
Frequently Asked Questions about 8MSC5M.R0-D250-2:
Q: What is the voltage rating of the integrated fan?
A: Voltage rating of the fan is 24 Volts DC.
Q: What is the maximum motor speed?
A: The maximum motor speed is 9000 RPM.
Q: What is the recommended power cable size?
A: The recommended motor power cable size is 1.5 mm2.
Q: What is the thermal time constant?
A: Thermal time constant of the motor is 50 minutes.
Q: What is the motor stall torque?
A: The stall torque is 13.65 Nm.
