Product Description:

The M-403-B-B1-S is an AC servo motor produced by Kollmorgen for the M Goldline Servo Motors series. In automated machinery, this motor converts drive current into precise rotary motion so that positioning tables, pick-and-place axes, and coordinated gantries can maintain repeatable velocity and angle under closed-loop control. It is suited for motion systems that need accurate response during indexing, transfer, and synchronized axis movement. The motor is intended for equipment that must start, stop, and reverse with controlled motion rather than simple fixed-speed rotation.

Mechanical output begins with a continuous stall torque of 6.78 N-m, which is the steady load the shaft can hold without movement, and rises to a rated running torque of 8.4 N-m during normal operation. Short-duration overloads are handled by a peak stall torque of 19.8 N-m. These torque levels correspond to a torque constant of 1.11 N-m/Arms, meaning each ampere of phase current produces about one newton-meter of torque. When the rotor turns, it generates back electromotive force in proportion to speed; the constant for this motor is 67.2 Vrms/kRPM, which the drive can use to estimate voltage demand at higher speeds. The 2.6 ohm phase resistance and 50 mH inductance influence current rise and copper losses, while the rotor inertia of 0.00259 kg·m² affects acceleration behavior. Those electrical values also affect how quickly the current loop responds to changing load conditions.

Current delivery is continuous at 6.4 Arms and can surge to 18.8 Arms for rapid starts before thermal limits intervene. With a shaft output of 2200 W, the motor fits mid-range power applications. Heat flows from the windings to the frame through a thermal resistance of 0.48 °C/W, and the thermal time constant is 22 minutes. Standard sealing is rated at IP65, guarding the 318.8 mm-long, 10.5 kg housing against dust ingress and water jets. This protection helps keep contaminants away from internal components in areas where splash or airborne dust is present.