8LSA25.D4045D000-0
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The 8LSA25.D4045D000-0 is a synchronous servomotor with a rated speed of 3000 rpm and rated power of 4.5 kW. Manufactured by B & R Automation, and part of their 8LS Synchronous Motors series, it features an absolute multiturn encoder. This motor offers an IP65 protection class, natural cooling, and a plug connector design.
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Product Description:
The 254 W synchronous motor 8LSA25.D4045D000-0 is a part of 8LS family of three phase motors, manufactured by B & R Automation. Its housing is IP65 protected that safeguards the internal components from outer intrudes, greater than 1 mm. This motor comes with speedtec circular connector of size 1 for electrical connectivity.
The 8LSA25.D4045D000-0 motor cools down by itself through natural radiation/convection with a thermal value of 20 minutes, however for non-stop system operations an optional external blower fan can be installed. It features an EnDat 2.2 optical multiturn encoder that provides a system accuracy of 20” and possess data safety protocols. The 8LSA25 motor has a rated rotational speed of 4500 r/minute and it produces a nominal torque of 0.54 Nm. Its stall torque is up to 0.6 Nm while the maximum turn effect for dynamic load conditions is 2.4 Nm. This motor pulls a normal current of 0.56 A and in peak load scenarios the current utilization goes up to 2.77 A for a brief time. Its recorded torque constant is 0.97 Nm/A and possess a winding inductance of 87.8 mH. The 8LSA25 motor’s voltage constant is rated as 58.64V/1000 rotations and it has a line-to-line winding resistance of 63.4 Ohms.
The 8LSA25.D4045D000-0 motor incorporates a plain shaft and it can tolerate flange temperature up to 60 °C. It’s an angular moment of inertia stands at 0.16 kg·cm², for motion control and it possess an electrical time constant of 1.4 ms. This motor is accompanied by a heavy-duty holding brake with a holding torque of 2.2 Nm and 0.12 kg·cm² moment of inertia. The 8LSA25 motor weighs 1.3 kg and offers minimal vibrations due to the severity class A.
Frequently Asked Questions about 8LSA25.D4045D000-0:
Q: Why is the EnDat 2.2 encoder used in the 8LSA25 motor?
A: The EnDat 2.2 encoder provides precise multiturn feedback and data safety protocols, improving positioning accuracy and reliability in dynamic applications.
Q: How does natural radiation/convection cooling impact motor performance?
A: Natural cooling maintains temperature without extra power consumption, suitable for intermittent use. For continuous operation, the optional fan prevents overheating and extends motor life.
Q: How does the 58.64 V/1000 rotations voltage constant affect motor output?
A: This constant helps determine the back EMF and voltage requirements for desired speeds, essential for accurate motor control.
Q: Why does the 8LSA25 motor use a plain shaft design?
A: A plain shaft simplifies coupling with various mechanical components and allows easier integration into diverse systems.
Q: How does the 1.4 ms electrical time constant improve 8LSA25.D4045D000-0 motor response?
A: A short electrical time constant enables rapid current changes, supporting quick torque adjustments and enhancing dynamic control.
