M.1300.3504 Kollmorgen
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The Kollmorgen M.1300.3504 is a brushless servo motor from the YSM Brushless Servo Motors series. It features a continuous stall torque of 0.69 Nm, a peak torque of 1.92 Nm, and supports a maximum operating speed of 4500 rpm. The servo motor has a brake holding torque of 0.637 Nm at 24 VDC and an encoder line count of 2000 pulses per revolution.
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Product Description:
The M.1300.3504 is a compact brushless servo motor produced by Kollmorgen for the YSM Brushless Servo Motors series. Designed for closed-loop positioning and velocity control, the unit converts electrical drive commands into precise rotary motion for pick-and-place modules, indexing tables, and light conveyor axes used throughout industrial automation. The integrated brake can secure a stopped axis, while the feedback system supports accurate closed-loop operation. Its stator windings interface with standard low-power servo amplifiers, allowing the motor to operate as part of a compact motion-control system.
During continuous operation, the motor can sustain a shaft torque of 0.69 N·m without exceeding its thermal limit, providing constant torque for holding or slow movements. A torque constant of 0.107 N·m/A means that each ampere delivered by the drive produces a predictable amount of torque for accurate loop tuning. Electrical losses are influenced by a phase resistance of 0.79 Ω, while the winding inductance of 2.7 mH affects current rise time and control response. The motor can reach a maximum mechanical speed of 4500 rpm, subject to rotor balance and bearing limits. Its back-EMF constant is 13 V per 1,000 rpm, which suits compact drives with a 115 V bus. The 115 V winding insulation system supports this operating voltage, and the bearings tolerate up to 20 kg of radial load from belt tension or pinion forces.
For brief acceleration demands, the rotor can produce a peak torque of 1.92 N·m. Its rotating inertia is only 0.000020 kg·m², supporting rapid acceleration and helping reduce overshoot during short motion cycles. Position feedback is supplied by an optical encoder that generates 2000 pulses per revolution, giving the controller fine position and speed resolution. The complete assembly has a mass of 1.8 kg and an overall length of 133.5 mm, including the integral brake, which helps it fit within confined equipment spaces. The brake circuit operates on 24 VDC and draws 0.31 A. When power is removed from the brake, it secures the shaft with 0.637 N·m of static holding torque.
