R911257759 is part of the MDD Synchronous Motors Series by Indramat Motors.
Specs
Product Type: Synchronous Motor Use: Motion Control Applications Design: Universal Technology: Permanent Magnets for High Torque Output Commutation: Electronic Commutation (brushless) Stability: Stable across speed range (due to wider air-gaps) Protection: Special Design Sealing Kit for Moist Environments Feature: Rotor's Low Inertia for fast start-stop operation.