R911315830 (MKD025B-058-KP1-KN)

MKD Synchronous Motors

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The R911315830 (MKD025B-058-KP1-KN) is a synchronous servo motor from Rexroth Indramat designed for precision automation applications. It features a shaft with keyway and shaft seal, a holding brake rated at 1 Nm, and resolver-based absolute position detection (over 4096 revolutions). Key specifications include a continuous standstill torque of 0.9 Nm, rated power of 0.8 kW, nominal voltage of 230 V, rated speed of 3000 RPM, rated torque of 2.5 Nm, and peak torque of 7.5 Nm. Additional parameters are a torque constant of 0.2 Nm/A, voltage constant of 18.2 V/1000 min-1, winding resistance of 2.7 Ω, peak current of 23.0 A, characteristic speed of 9000 min-1, and rotor inertia of 0.3 x 10⁻⁴ kg·m² at 20°C. The motor supports operation at ambient temperatures from 0°C to +40°C, storage from -20°C to +80°C, and installation at altitudes up to 1000 meters. Integration should be restricted to specified drives, firmware, and software, and all installation must be performed by qualified personnel.