Technical Specifications Supply voltage: 24 V DC ±10%; control input: 4–20 mA analog; output torque: 80 lb-ft nominal; rotational stroke: 90°; full stroke time: 300 ms; position feedback: integrated LVDT; operating temperature: -40 °C to +85 °C; enclosure: IP66; duty cycle: continuous S1.
Functional Features Brushless DC motor drive; closed-loop position control; integral LVDT position feedback; overload and over-temperature protection; zero and span calibration; vibration-resistant design.
Application Scenarios Large industrial engine fuel control, gas engine throttle actuation, diesel engine fuel rack positioning, generator set governor actuation, heavy-duty engine control.
Performance Parameters Position accuracy: ±0.25% full stroke; repeatability: ±0.1%; step response: < 300 ms for 90°; stall torque: 120 lb-ft maximum.
Material Composition Cast iron housing, heavy-duty brushless DC motor, epicyclic gear train, precision LVDT sensor, alloy steel output shaft, high-temperature shaft seals.
Structural Characteristics Rotary output shaft with double keyway; four-bolt mounting flange; integrated control electronics compartment; sealed cable gland entry; heavy-duty bearing system.
Working Principle The actuator receives a 4–20 mA position command, drives a brushless DC motor through a heavy-duty gear train to rotate the output shaft, and an internal LVDT sensor provides precise position feedback for closed-loop control.
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