MT302A1-R2C1 Kollmorgen
Wake Industrial LLC is not an authorized distributor of this product.
The Kollmorgen MT302A1-R2C1 servo motor is part of the MTC Servo Motors series and provides a rated power of 0.59 kW with a rated speed of 4500 rpm. This motor features a peak torque of 3.23 Nm and a back EMF of 32.6 VRMS per krpm. It has a weight of 2.5 kg without a brake and operates with a maximum line voltage of 250 VRMS.
Internal Product Review
The MT302A1-R2C1 is a Kollmorgen MTC servo motor with 0.59 kW rated power and 4500 rpm rated speed. Continuous torque performance is strong for the frame, with 1.29 N·m stall torque at 40 C and 3.23 N·m peak torque supporting dynamic motion control. Electrical behavior remains well balanced through 35 mH inductance and 32.6 VRMS/krpm back EMF, making this unit an excellent choice for precise servo axes.
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Product Description:
The MT302A1-R2C1 is a servo motor produced by Kollmorgen within the MTC Servo Motors series. As a permanent-magnet brushless actuator, it converts drive current into precisely regulated rotary motion for positioning tasks in automated machinery. Typical uses include packaging lines, pick-and-place gantries, and indexing tables where controlled velocity and acceleration profiles are required. It is intended for closed-loop operation with Kollmorgen or third-party drives that support sinusoidal commutation and digital feedback, providing high control-loop stiffness.
During continuous duty, the windings accept 2.44 ARMS per phase at up to 250 VRMS, generating 1.29 N·m of stall torque at a housing temperature of 40 °C. With a rated electrical input of 0.59 kW, the shaft can maintain 4500 rpm under nominal load, a speed-torque point suited to high-throughput servo axes. The back electromotive force is 32.6 VRMS/krpm, so the drive must raise output voltage proportionally as speed rises to avoid field weakening. Copper loss is governed by a DC resistance of 7.77 Ω, while the inductance of 35 mH filters current ripple for smoother torque. An eight-pole rotor improves resolution for incremental encoders, and the stall-torque sensitivity of 0.540 N·m/ARMS helps size the current loop for tight regulation.
Transient loads can be handled with 9.0 ARMS of line current, momentarily producing 3.23 N·m of torque for quick accelerations. The rotor’s low inertia of 0.0000465 kg·m² lets the servo follow fast command changes without overshoot. Thermal resistance at stall is 0.955 °C/W, and the 22-minute thermal time constant indicates that the winding temperature rises gradually, giving the drive time to respond through its thermal model before derating. Combined with a 2.5 kg frame, these properties simplify gantry mounting and limit moving mass. Because the motor has no integral brake, it can be paired with an external holding device when a vertical axis requires power-off retention.
