XSM115-55-352-M-2AA Kollmorgen
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MPN: M.1301.6638
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The Kollmorgen XSM115-55-352-M-2AA is part of the XSM Centurion Servo Motors series and features a frame size of 115. This servo motor delivers a continuous torque of 6.2 Nm and a peak torque of 19.8 Nm, with a motor speed of 3500 RPM. It includes a 24 volt brake, multiturn feedback, and weighs 5.5 kg.
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Product Description:
The XSM115-55-352-M-2AA is an AC servo motor produced by Kollmorgen for the XSM Centurion Servo Motors series. It drives mid-range axes that require precise position and velocity control in automated machinery. The 115 mm frame provides a compact mounting profile, while the motor’s weight of 5.5 kg reduces the load placed on supporting structures. Its shaft has no keyway, which helps minimize coupling imbalance in applications that use clamping connections. An M6 × 1.0 mm center thread with a depth of 16 mm provides a puller point for removing an attached pulley. The winding is designed for use with 230 V drives.
At rated load, the motor supplies a continuous torque of 6.2 Nm (55 in-lb) while drawing a continuous stall current of 12.2 A. The motor reaches a maximum speed of 3500 rpm, supporting applications that require a broad operating range. A phase inductance of 7.5 mH helps limit current ripple during drive switching. The phase resistance is 1.3 Ω at 25 °C, which contributes to winding losses during operation. Its torque constant is 0.60 Nm/A, providing a direct relationship between commanded current and available shaft torque. A multi-turn feedback device reports absolute position across multiple shaft revolutions, allowing the drive to retain position information beyond a single turn. The drive can use a peak corner speed of 2000 rpm when transitioning from constant-torque operation to the constant-power range.
For short acceleration periods, the motor can produce a peak torque of 19.8 Nm. Its rotor inertia of 0.00038 kg-m² supports rapid speed changes and responsive axis movement. A back electromotive-force constant of 76 V/kRPM matches the winding to 230 V inverters while preserving voltage margin for dynamic operation. An optional 24 V brake locks the shaft when electrical power is removed, which can prevent a stationary load from drifting. Adding the brake increases the motor’s overall length by 1.91 in, so the additional space must be considered when the motor is installed near guards, couplings, or machine frames.
