SRF5570-4986-84-5-82BC-CUFGS2755 Kollmorgen
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The Kollmorgen SRF5570-4986-84-5-82BC-CUFGS2755 is part of the SR and SRF Permanent Magnet Motors series and features a NEMA C Face mounting along with a removable base. This motor has a rated output of 3.0 HP, a continuous torque of 108.0 lb-in, and weighs 87 pounds. It operates at a rated speed of 1750 RPM with a continuous current of 14.0 A and is enclosed in a TEFC housing for protection.
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Product Description:
The SRF5570-4986-84-5-82BC-CUFGS2755 is a permanent-magnet AC motor produced by Kollmorgen for the SR and SRF Permanent Magnet Motors series. As a torque source for conveyors, mixers, and indexing machinery, the unit converts electrical power into controllable rotary motion within industrial automation cells. A totally enclosed fan-cooled housing shields the windings from airborne debris and uses external airflow to remove heat without exposing internal components. The removable base allows the motor to use either foot mounting or its NEMA C face, providing flexibility when attaching it to a machine frame or driven assembly.
The motor delivers a continuous shaft torque of 108.0 lb-in while drawing 14.0 A, providing steady output for constant-duty drives. At its rated speed of 1750 rpm, it produces a mechanical output of 3.0 HP, making it suitable for common gearbox ratios used with industrial machinery. Transient overloads can raise the stator current to 78.0 A, allowing the motor to overcome startup inertia and short process surges without stalling. Electrical energy reaches the windings through 0.6 Ω of phase resistance and 7.2 mH of inductance. These electrical characteristics affect current rise time, drive response, and harmonic heating during operation. The rated voltage is 180 VDC when the motor is powered by a compatible thyristor or four-quadrant amplifier.
The motor has a torque constant of 9.3 lb-in/A, supporting fine velocity control without excessive current demand. Its copper volume and laminated steel length contribute to the electrical time constants while keeping the stack compact enough for a 19.75-inch overall length. The housing fits the 145TC/182 frame envelope, which supports installation with compatible mounting surfaces and couplings. The motor has an assembled weight of 87 lb, and its thermal mass helps absorb heat generated during load changes. External fan airflow carries heat away from the enclosed housing while the internal windings remain protected from dust and airborne debris. The removable base also provides access for alignment when the motor is installed with its NEMA C face or secured by its feet.
