R911281186
The R911281186 (MDD112D-N-040-N2M-130PB2), designed by Bosch Rexroth Indramat, is a digital servo motor featuring a blocking brake that delivers a 40 Nm torque. Operating at 24 Volts DC, it consumes a nominal current of 1.35 Amps. The brake's release and clamping delays are 150 ms and 30 ms respectively. Weighing 3.5 kilograms, the motor functions best at an ambient temperature of 0 to 45 degrees Celsius and an elevation range of 0 to 3300 feet. For storage and transportation, the temperature range is -20 to 80 degrees Celsius. It boasts of a protection category of IP65, insulation classification of F, and convection or surface cooling-enabled housing design. The jet black (RAL 9005) coated motor can reach a nominal speed of 4000 RPM.
Along with a standard balance class and a standard side B shaft end, the motor also offers an integrated multiturn encoder for servo feedback. Compliant with DIN 6885-1, the motor shaft features a keyway and is paired with a drive for diverse industrial applications. The motor's peak current and torque are rated at 329.1 Amps and 132.2 Nm respectively. With a torque constant of 0.43 Nm/A and winding resistance of 0.05 Ohms at 20 degrees Celsius, the motor also presents a winding inductance of 0.05 millihenry. Lastly, its thermal time constant logs 120 minutes for natural convection and 90 minutes for surface cooling. It weighs 59 kilograms for shipping purposes.
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