R911340428 is part of the MSK Synchronous Motors Series by Indramat Motors.
Specs
Product Type: Synchronous Motor Installation Space Requirement: Minimal Protection Level: IP 65 Functionality: Rotary main and Servo platform Thermal Protection Standards: Class 155 Maximum Velocity: 440 rpm Thermal Time Constant: 48 Nm Noise Output: less than 75 db(A) Maximum Current: 41.4 A Torque Constant: 1.89 Nm/A Suitable Temperature: 0 C to 40 C Weight: 23 kg Rotor Inertia Level: Low Stability: High (with wider air gaps)