R911344257 (MSM031B-R300-NN-M5-MH1)

MSM IndraDyn S Synchronous Motors

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The Bosch Rexroth R911344257 (MSM031B-R300-NN-M5-MH1) MSM series motor is an IndraDyn S synchronous motor known for its no-maintenance operation and high power density. It features a small flange size and short frame length. Designed for use with IndraDrive C range of controllers with a 230VAC three-phase power connection, the motor offers an IP54-rated protection overall and IP40 protection for the shaft according to IEC 60529 standards. The motor's maximum torque is 1.91Nm and has a winding code of R300. It includes a 1.27Nm electrically released brake with specified connection and disconnection times. The unit utilizes natural convection for cooling and operates within a thermal class of 130 as per EN 60034-1. It's suitable for use in environments ranging from 0°C to 40°C and absolute air humidity between 1 and 29g/m3. It also meets the contamination level 2 set by EN 50178 standards.