6SM 77K-3.000-J-09-HA-IN Kollmorgen
Wake Industrial LLC is not an authorized distributor of this product.
The Kollmorgen 6SM 77K-3.000-J-09-HA-IN is part of the 6SM Synchronous Servo Motors series and features a rated power of 2.7 kW with a rated speed of 3000 rpm. It delivers a rated torque of 8.5 Nm and has IP65 shaft bushing protection. The motor operates with a rated current of 5 A and a peak current of 24 A.
Internal Product Review
The 6SM 77K-3.000-J-09-HA-IN is a Kollmorgen synchronous servo motor with 2.7 kW rated power and 8.5 Nm rated torque. Rated speed of 3000 rpm and IP65 shaft bushing protection make this unit a strong choice for precise, demanding servo applications.
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Product Description:
The 6SM 77K-3.000-J-09-HA-IN is a brushless synchronous servo motor manufactured by Kollmorgen for the 6SM Synchronous Servo Motors series. The unit converts regulated three-phase drive current into precise rotary motion, making it suitable for indexing tables, pick-and-place arms, and other closed-loop automation axes. By pairing feedback from an internal resolver with its magnetic design, the motor delivers repeatable positioning and speed control for applications where cycle times and accuracy must remain consistent. Its brushless design reduces mechanical wear associated with commutators and supports frequent starts, stops, and direction changes in automated machinery.
Six stator poles establish the electromagnetic field, while the resolver contains two poles for commutation feedback. Under rated load, the motor produces 2.7 kW at 3000 rpm, delivering 8.5 Nm of torque to the shaft while drawing 5 A per phase. During rapid indexing, the amplifier can supply up to 24 A, enabling short bursts of higher acceleration without demagnetization. Back EMF rises in proportion to speed at 112 V for every 1000 rpm, allowing the drive to regulate motor operation through field-oriented control. Current regulation is supported by the 18 mH phase inductance, while a phase resistance of 2.2 Ω helps keep thermal rise predictable under sustained operation.
When the rotor is locked, the standstill current reaches 6 A and generates 11 Nm of holding torque for static loads. Torque production scales linearly because each ampere produces 1.85 Nm/A, simplifying motion-controller gain settings. The output shaft has an IP65 bushing seal that prevents dust and water spray from reaching the bearings. A built-in thermal switch opens at 145 °C to protect the windings from excessive heat. The switch sends its status to the drive so current can be removed before the motor insulation reaches its temperature limit. This protection is especially useful during prolonged holding periods or repetitive acceleration cycles that increase winding temperature.
