KA850TXX
by Sanyo Denki
The Sanyo Denki KA850TXX is a precision servo motor from the K SANMOTION Servo Motors series, designed for demanding industrial automation applications. This compact unit features a flange size of 88 mm, a rated output of 0.5 kW, and a continuous stall torque of 2.16 Nm, making it ideal for high-precision positioning and motion control tasks. Its primary function is to deliver smooth, accurate rotational movement in machinery requiring reliable torque at both low and medium speeds, such as assembly robots, conveyor systems, and CNC equipment.
This servo motor is configured as a field-controlled device with a separately excited winding, offering a rated speed of 2500 min⁻¹ and a maximum speed of 3000 min⁻¹. The rated armature voltage is 80 V, and it achieves a peak stall torque of 16.7 Nm for short bursts of high load. The output shaft is supplied with key, ensuring positive torque transmission, while the rotor inertia of 6.0 ×10⁻⁴ kg·m² contributes to stable acceleration and deceleration profiles. A built-in tachometer generator (inertia 0.12 ×10⁻⁴ kg·m²) provides real-time speed feedback despite the absence of an encoder, supporting closed-loop control. Connection is via a lead wire assembly with a length of 1000 mm, facilitating flexible installation in constrained spaces.
Built to withstand industrial environments, the KA850TXX carries a protection rating of IP43, guarding against sprayed water and particulate ingress. Its robust design features low cogging torque and reduced heat generation, enhancing both durability and operational efficiency during continuous use. The unit is cUL Recognized, confirming compliance with North American safety standards. Without an integrated holding brake, this motor relies on external braking solutions if required. End users benefit from its high response rate and consistent performance at low speeds, which translate into tighter process control, reduced cycle times, and improved overall productivity in manufacturing applications.
