8LSA46.DA030S200-3
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The 8LSA46.DA030S200-3 is a synchronous motor featuring a flange size of 100 mm and a rated power of 3.0 kW. Manufactured by B & R Automation as part of their 8LS Synchronous Motors series, this motor exhibits a rated torque of 14.3 Nm and self-cooled operation. It also includes rotatable connectors and an IP65 protection rating.
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Product Description:
The B & R Automation’s manufactured 8LSA46.DA030S200-3 motor is specifically designed with a nominal speed of 3000 rpm to provide fast positioning as well as constant speed under changing load conditions. This synchronous motor features 5 pole pairs to enable better synchronism between its windings and drive electronics, ensuring phase balance and minimizing torque ripple when operating.
This 8LSA46.DA030S200-3 motor can also withstand torque bursts for sudden torque demands with its maximum torque rating at 38 Nm, which is also usable for high-load spikes without risking thermal limits. This motor supports a stall current of 6.1 A to ensure effective holding power during startup or shaft blockage situations. The single-cable connection of this motor combines power and signal into a single interface, maximizing space, lowering installation time, and lessening connector wear. The integrated braking system of this synchronous motor offers holding stability with 8 Nm of brake torque, holding the shaft during stopping conditions. The weight of this motor’s brake is 1 kg, and its moment of inertia of 0.69 kg·cm² facilitates low-resonance braking and reduces mechanical backlash during start-stop cycles.
The feedback of this 8LSA46.DA030S200-3 motor is managed by a DA 2.2 inductive encoder, with single-turn resolution of 32 lines, to give consistent position tracking for closed-loop control. This motor delivers a nominal torque of 7.7Nm, efficient enough to be used in continuous-duty tasks. This motor is capable of drawing a max current up to 36.5 A to support fast response to load and high torque without performance loss, even at high acceleration needs. The electrical parameters of this synchronous motor include the resistance of the stator equal to 1.92 Ohms, which directly influences the voltage loss and thermal efficiency.
Frequently Asked Questions about 8LSA46.DA030S200-3:
Q: How does the electrical time constant improve performance in 8LSA46.DA030S200-3?
A: The 9.1 ms time constant ensures faster current regulation. This allows tighter torque control in high-speed applications.
Q: Why is an inductive encoder used in this motor?
A: Inductive encoders are resistant to contamination and vibration. They offer reliable signal output in industrial environments.
Q: What role does stator resistance play in motor efficiency?
A: With 1.92 Ω resistance, it limits heat buildup during prolonged use. This improves motor longevity and energy efficiency.
Q: How does the 32-line encoder affect control resolution?
A: It enables accurate rotor position detection per revolution. This precision is essential for synchronized multi-axis systems.
Q: Why is the brake mass of 1 kg significant in 8LSA46.DA030S200-3?
A: It balances the system without adding excessive inertia. This ensures effective stopping with minimal overshoot.
