MSM165-93-204-M-2KA Kollmorgen
Wake Industrial LLC is not an authorized distributor of this product.
MPN: M.1302.1361
The Kollmorgen MSM165-93-204-M-2KA is part of the MSM Brushless Servo Motors series and has a continuous torque of 10.5 Nm and a peak torque of 34 Nm. This servo motor features a multiturn high resolution feedback type and operates with a rated speed of 2000 RPM at 460 V. It weighs 13.9 kg, has a rotor inertia of 0.003 kg-m^2, and uses a 24 VDC brake voltage.
Internal Product Review
The MSM165-93-204-M-2KA is a Kollmorgen brushless servo motor rated for 460 V and 2000 RPM. Continuous torque of 10.5 Nm and peak torque of 34 Nm support strong servo response and stable load handling. Multiturn high-resolution feedback adds precise positioning, making the motor a strong choice for demanding motion axes.
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Product Description:
Kollmorgen manufactures the MSM165-93-204-M-2KA for the MSM Brushless Servo Motors series. This brushless servo motor converts electrical power from a matched drive into precisely controlled shaft rotation for indexing tables, gantry axes, and other industrial automation tasks that require accurate dynamic control. Its permanent-magnet rotor and sinusoidal commutation support smooth torque production across the operating range. Closed-loop control allows the connected drive to correct changes in shaft position, speed, and load during repetitive machine cycles.
The motor supplies a continuous shaft torque of 10.5 Nm, while its 13.9 kg mass and frame surfaces help dissipate heat during operation. For short acceleration and deceleration cycles, the mechanical output can reach 34 Nm. The servo drive must deliver up to 24.0 A of phase current to produce this peak output without losing regulation. The motor operates at a nominal speed of 2000 rpm and uses a six-pole rotor. Its stator is wound for 460 V operation, allowing connection to a compatible high-voltage servo amplifier. Stall current is limited to 6.2 A to control copper heating during zero-speed operation. A spring-applied brake operates from a 24 VDC supply and holds the shaft when motor power is removed. The multi-turn, high-resolution encoder retains absolute position data through 4,096 turns, eliminating the need for a homing cycle after shutdown. A metric M8 × 1.25 mm shaft thread accommodates compatible couplings and locking hardware.
A rotor inertia of 0.003 kg-m² balances torque capacity with responsive acceleration on medium-mass loads. The torque constant is 1.86 Nm/A, so motor torque increases proportionally with commanded drive current. Back EMF has a voltage constant of 225 V/krpm, providing the drive with an electrical reference for field-oriented control and overspeed protection. The coil inductance is 60.0 mH, helping limit current ripple from the amplifier’s switching stage. A winding resistance of 5.7 Ω contributes to the motor’s electrical time constant and affects current-loop response. These electrical values allow the drive to regulate current predictably while responding to rapid command changes and varying mechanical loads.
