E22SSLT-LNN-NS-04 Kollmorgen
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The Kollmorgen E22SSLT-LNN-NS-04 is part of the E Hybrid Stepper Motors series and features a NEMA 23 frame size with a weight of 2.1 pounds. It offers a holding torque of 223 oz-in and a step angle of 1.8 degrees with 200 steps per revolution. The motor supports an axial shaft load of 65 pounds and uses SIGMAX construction with a Class B insulation rating.
Internal Product Review
The E22SSLT-LNN-NS-04 is a Kollmorgen E Hybrid Stepper Motor with a NEMA 23 frame and 223 oz-in holding torque. SIGMAX construction and a 1.8-degree step angle give the motor smooth indexing and dependable low-speed performance. A +/-1.5% step accuracy and 200 steps per revolution make the unit an excellent choice for precise, repeatable positioning.
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Product Description:
The E22SSLT-LNN-NS-04 is a hybrid stepper motor produced by Kollmorgen within the E Hybrid Stepper Motors series. This two-stack unit combines permanent-magnet holding capability with variable-reluctance stator geometry, so it provides discrete angular positioning without an encoder. In automated pick-and-place stations, small conveyors, or laboratory analyzers, the motor advances a load by fixed increments commanded by a pulse generator, delivering repeatable motion through open-loop control.
The motor’s square frame follows the NEMA 23 mounting standard, giving it a 56 mm face size that matches common gearboxes and linear stages. A holding torque of 223 oz-in (1.57 N·m) resists back-driving whenever the phase windings are energized, allowing vertical or offset loads to remain in place between moves. Each full step covers 1.8 degrees, producing 200 discrete positions per revolution for direct conversion to linear travel through belts or lead screws. The windings draw 2.5 A DC per phase, so most microstepping drives rated for 40 to 75 VDC can power the motor without being oversized. The copper coils have a resistance of 1.2 ohms, which affects voltage requirements and contributes to thermal rise during continuous operation. An inductance of 4.5 mH limits the current slew rate, smoothing electromagnetic transitions at higher stepping frequencies.
The smooth, non-keyed shaft tolerates an axial load of 65 lb (289 N) and a radial load of 19 lb, enabling connection to pinions or timing pulleys through suitable clamping hardware. A laminated rotor inertia of 0.0031 oz-in-s² supports rapid acceleration while minimizing settling time during point-to-point indexing. Class B insulation withstands the motor’s rated winding temperature when ambient air remains within -20 °C to +40 °C, and a thermal resistance of 4.4 °C/W helps users estimate housing temperature during sustained duty cycles.
