G12C.DM80GC4.IE2TW KEB
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The KEB G12C.DM80GC4.IE2TW is part of the SM Synchronous Servo Motors series and delivers a nominal power of 0.75 kW with an efficiency of 80 percent. This servo motor features IP54 protection, operates at a rated speed of 1410 rpm, and has a rated current of 1.88 Amps at 400 V. It includes a PTC thermistor thermal sensor and uses a shaft with a featherkey design.
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Product Description:
The G12C.DM80GC4.IE2TW synchronous servo motor is manufactured by KEB for the SM Synchronous Servo Motors series. It connects to a 400 V-class inverter and supplies controlled rotary motion for conveyors, pick-and-place stations, and other automated equipment. A permanent-magnet rotor and three-phase stator allow the unit to deliver repeatable torque within a compact frame. The motor is suitable for continuous production applications in typical industrial machine environments.
At its rated operating point, the motor produces 0.75 kW while turning at 1410 rpm. It draws 1.88 A from the inverter and reaches an electrical efficiency of 80.0 %. A power factor of 0.72 keeps reactive current moderate during operation. Starting characteristics include a starting torque ratio of 2.5 and a starting current ratio of 4.7, providing brisk acceleration without requiring an oversized drive. A breakdown torque ratio of 2.6 allows the motor to tolerate brief overloads. The unit carries the IE2 efficiency classification for general-purpose service.
The motor has a shaft with a feather key for positive coupling to pulleys or gearboxes. Its rotor inertia of 16.5 kg cm² balances quick speed changes with smooth operation. Radial loads up to 880 N can be applied at 1500 rpm without exceeding the bearing limits, supporting the use of belt drives or pinions. The enclosure has an IP54 protection rating, which limits dust ingress and protects the motor against splashing liquids in typical machine installations. The winding set is designed for a DC-link voltage of 330 V when connected to a 400 V-class converter, while the intermediate circuit operates at approximately 560 V. A PTC thermistor embedded in the stator allows the drive to monitor the winding temperature. The motor is supplied without a holding brake, so stationary load retention must be provided through drive torque or external equipment when required.
