Product Description:

The MSM215-505-304-E2-2KA servo motor is produced by Kollmorgen for the MSM Brushless Servo Motors series. It is a three-phase brushless unit intended for positioning tasks that require rapid response and precise velocity control. An integral 2,000-line incremental encoder supplies feedback for drive regulation, while the built-in 24 VDC brake engages during a loss of power to hold the load. The housing measures 511 mm in length and contains a six-pole rotor, allowing the motor to be directly coupled to ball screws, index tables, and other servo axes in automated assembly cells.

During continuous operation, the motor delivers 57 Nm of torque at its shaft. This output corresponds to a rated speed of 3000 rpm when the stator is energized from a 460 V supply. The drive calculates current demand using the torque constant of 1.39 Nm/A, and the amplifier applies a stall current limit of 45.5 A(pk) to protect the motor from excessive thermal loading. The winding has a resistance of 0.24 Ω, which affects copper losses during operation. Its inductance is 6.5 mH and influences the rate at which winding current rises. The back electromotive force follows a voltage constant of 168 V/krpm, providing the drive with an electrical value for matching motor speed to the applied voltage.

Transient loads are supported by a peak torque capacity of 160 Nm when the drive supplies up to 147.1 A(pk) for short intervals. The rotor has a mass moment of inertia of 0.0205 kg·m², which moderates acceleration and helps maintain stable tuning during rapid torque changes. With the holding brake installed, the assembly weighs 52 kg, so the machine structure and mounting hardware must support the motor during acceleration, deceleration, and load reversals. The available peak torque supports demanding motion profiles in press feeders and injection-molding clamp drives. Its inertia is also suitable for applications that require controlled reversals without external gearing.