MTC304A1-R1C1 Kollmorgen
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The Kollmorgen MTC304A1-R1C1 is a servo motor from the MTC Servo Motors series. It features a rated speed of 3000 rpm, a continuous stall torque of 2.52 Newton-meters, and a rated power of 0.70 kilowatts. The motor provides a peak torque of 7.40 Newton-meters and weighs 4.3 kilograms with the brake.
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Product Description:
The MTC304A1-R1C1 is an AC brushless servo motor manufactured by Kollmorgen within the MTC Servo Motors series. It is sized for mid-frame positioning axes in automated packaging lines, pick-and-place systems, and small machine tools, where repeatable speed and torque are mandatory. The motor uses a rear-mounted brake to hold the shaft when power is removed and interfaces with standard digital drives for closed-loop motion. This arrangement suits applications that require frequent starts, stops, and accurate short-distance positioning without unstable speed response.
Under continuous load conditions, the motor delivers a 2.52 N-m stall torque while drawing 2.59 ARMS from the drive. Its torque-to-current relationship is 0.985 N-m/ARMS, which lets the drive estimate output torque from commanded current with little complexity. When the shaft reaches the rated speed of 3000 rpm, mechanical output rises to 0.70 kW, making the motor suitable for moderate inertia loads. A back EMF of 59.6 VRMS/krpm and a phase resistance of 7.93 ohms influence voltage demand and heat generation during steady operation. Coulomb friction is limited to 0.035 N-m, which helps reduce dead band around zero speed and supports smoother low-speed reversals. For rapid indexing moves, the drive may supply 10.0 ARMS, enabling a peak torque of 7.40 N-m without saturation.
The integrated fail-safe brake engages at 24 VDC, holding the shaft during power loss. The motor has a winding inductance of 58 mH, which smooths current transients and works with the drive's PWM frequency. A rotor inertia of 0.0000808 kg-m² supports quick acceleration while helping limit overshoot during fine positioning. Heat moves from the stator through a path characterized by 0.828 °C/W thermal resistance, and the motor reaches thermal equilibrium after 25 min, which affects duty-cycle planning during repeated motion. Fully equipped with the brake, the assembly weighs 4.3 kg, which fits mid-size mounting frames and keeps the motor practical for compact machine axes.
Frequently Asked Questions about MTC304A1-R1C1:
Q: What is the rated power output of the MTC304A1-R1C1 servo motor?
A: This servo motor provides a rated power output of 0.70 kW during continuous operation.
Q: What is the brake voltage specification for the MTC304A1-R1C1?
A: The brake on this model operates with a voltage of 24 VDC.
Q: What is the rated speed of the MTC304A1-R1C1 servo motor?
A: The motor is capable of reaching a rated speed of 3000 rpm.
Q: What is the maximum peak torque for the MTC304A1-R1C1 model?
A: The MTC304A1-R1C1 can deliver a peak torque of 7.40 N-m.
Q: What is the continuous stall torque rating of the MTC304A1-R1C1?
A: This motor has a continuous stall torque of 2.52 N-m for continuous load applications.
