8LSA25.S9045S300-3
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The 8LSA25.S9045S300-3 is a flange-mounted servo motor with a rated speed of 3000 rpm and peak torque of 28.7 Nm. Manufactured by B & R Automation as part of the 8LS Synchronous Motors series, it operates at 400V with a rated output power of 3.0 kW. This motor features an IP65 rating and natural convection cooling.
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Product Description:
The B & R Automation's 8LSA25.S9045S300-3 is a synchronous motor. It is built with IP65 protection to ensure long-term functioning. Its lightweight and compact design allow for easy installation.
The 8LSA25.S9045S300-3 motor has a rated power of 0.67 kW and torque of 2.1 Nm. With a peak current of 7.8 A the motor handles overload circumstances well. Its 5-pole design ensures stable and smooth action. The encoder is a single-turn absolute type with 12 bits of precision and 4096 locations per revolution. Its interface supports both the EnDat 2.1 and Hiperface protocols. The motor has a winding resistance of 2.8 Ohm and an inductance of 13.3 mH. It has a maximum torque of 7.5 Nm and a rated speed of 3000 rpm. It operates at a 325 V line-to-line voltage and has a rated current of 2.3 A. The encoder connector is M23 12-pin and can accommodate wire lengths of up to 100 meters. The shaft has a feather key and measures 14 mm in diameter and 30 mm in length. It comes with a key width of 5 mm and a key length of 20 mm. The motor weighs roughly 2.9 kg and uses natural convection cooling. Designed for 0°C to 40°C operating and 0°C to 70°C storage. It is effective up to 1000 meters altitude.
The 8LSA25.S9045S300-3 motor is built to last. The flange diameter is 84 mm whereas the hole circle diameter is 65 mm. The mounting is flange style IM B5, with a centering collar diameter of 60 mm. The short housing is around 110 mm long. Its housing has a thermal time constant of around 15 minutes. An incorporated PTC thermistor helps to prevent overheating. It can tolerate 2 g vibration and 15 g shock. With IP65 shaft-sealed protection it can operate for over 20,000 hours. The motor's balance employs a half-key approach for accurate motion control.
Frequently Asked Questions about 8LSA25.S9045S300-3:
Q: How does the 12-bit encoder in the 8LSA25.S9045S300-3 improve motion control?
A: The 12-bit resolution offers 4096 positions per revolution for accurate positioning. This ensures smoother and more precise motor feedback in automation systems.
Q: Why is the 8LSA25.S9045S300-3 motor designed with 5 pole pairs?
A: The 5 pole pairs enhance torque smoothness and improve motor responsiveness. This design supports better synchronization in high-precision motion applications.
Q: How does the integrated PTC thermistor help in motor protection?
A: The PTC thermistor detects rising motor temperature in real time. It prevents thermal overload by triggering protective responses in the drive system.
Q: Why does the 8LSA25.S9045S300-3 use a feather key shaft type?
A: The feather key ensures secure torque transmission to connected mechanical systems. It supports reliable shaft coupling under dynamic loads.
Q: How does natural convection cooling benefit the 8LSA25.S9045S300-3?
A: Natural convection avoids the need for external fans or forced cooling systems. This simplifies installation and reduces maintenance requirements in compact spaces.
