8LSA46.EA030D000-3
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The 8LSA46.EA030D000-3 synchronous servo motor has a rated power of 3.0 kW, a rated speed of 3000 rpm, a flange size of 100 mm, and features an IP65 protection class. Part of the 8LS Synchronous Motors series by B & R Automation, it includes natural self-cooling and a single-turn EnDat 2.2 encoder for optimal performance.
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Product Description:
B & R Automation manufactures the 8LS series synchronous motor 8LSA46.EA030D000-3. It has an inductive 2.2 EnDat encoder for feedback system that is designed with a period of 19-bits single turn revolution to provide precision of 120". This motor maintains ambient temperature through its self-cooling mechanism and it provides flange mounting configuration.
The 8LSA46.EA030D000-3 synchronous motor features a nominal speed is 3000 r/min and its angular inertia is 4.39 kgxm^2. The motor requires a 400 VAC power supply to operate and provides 7.7 Nm of normal torques while its maximum turn effect is 38 Nm when it rotates at 12000 r/min and consumes 36.5 A of current. Its magnetic configuration inside the stator is composed of 5 poles to deliver a uniform torque at all times. The stator is designed with an impedance value of 1.92 ohms and inductance of 17.44 mH. The 8LSA46 synchronous motor possess an electrical time constant of 9.1 ms and a thermal constant of 40 minutes to get self-cooled by 50% during continuous operations. Its voltage constant is 98.44 V/1000 RPM and produces a stable torque of 1.63 Nm against the utilization of every ampere of current. The 8LSA46 synchronous motor weighs 7.3 kg and offers a top mounted connection box for power lines.
The 8LSA46.EA030D000-3 synchronous motor's holding brake has a moment of inertia value 0.69 kgxm^2 and it produces a holding torque of 8 Nm while weighs 1 kg. The motor has a 40 mm long mechanically fitment key shaft with an optional sealing ring to make the assembly an overall IP65 protected from dust and water ingress. The 8LSA46 synchronous motor has a standard operating temperature range between 5 degrees F to 104 degrees F.
Frequently Asked Questions about 8LSA46.EA030D000-3:
Q: Why does the 8LSA46.EA030D000-3 use a 5 magnetic pole configuration?
A: The 5-pole configuration enables smoother torque delivery and reduces torque ripple during continuous operation, especially at high rotational speeds.
Q: How does the inductive 2.2 EnDat encoder improve motor performance in the 8LSA46.EA030D000-3?
A: It offers 19-bit resolution for single-turn feedback, enabling high-precision positioning in automation systems with minimal signal noise.
Q: What is the significance of a 9.1 ms electrical time constant in the 8LSA46 series?
A: A shorter electrical time constant allows quicker current changes in the motor windings, supporting fast dynamic responses in servo control systems.
Q: Why is the motor shaft of 8LSA46.EA030D000-3 mechanically balanced?
A: A mechanically balanced shaft minimizes vibration and wear during high-speed operation, increasing the motor's lifespan and application stability.
Q: How does the IP65 sealing option in 8LSA46.EA030D000-3 enhance durability?
A: It protects the motor from dust and water ingress, making it suitable for industrial environments with exposure to contaminants.
