H21NRFC-LNN-NS-00 Kollmorgen
Wake Industrial LLC is not an authorized distributor of this product.
Wake Industrial LLC is not an authorized distributor of this product.
The Kollmorgen H21NRFC-LNN-NS-00 is part of the H Hybrid Motors series and features a NEMA 23 mounting style with a 2.25 inch frame diameter. This motor offers a step angle of 1.8 degrees, 8 lead connections, and an insulation class rated for 130°C. It has a smooth shaft, standard construction, and operates in temperatures from -20°C to 40°C.
Internal Product Review
The H21NRFC-LNN-NS-00 is a Kollmorgen hybrid motor in a NEMA 23 frame with a regular leadwire connection style. Standard construction and a laminated rotor give this unit clean mechanical behavior in stepper applications. A 1.8-degree step angle and 200 steps per revolution make this motor an excellent choice for consistent indexing.
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Product Description:
The H21NRFC-LNN-NS-00 is a hybrid stepper motor produced by Kollmorgen and positioned within the H Hybrid Motors series. This two-phase device combines permanent-magnet and variable-reluctance design principles to deliver discrete rotational increments for indexing tables, labelers, and light pick-and-place axes in industrial automation. Mounting follows the NEMA pattern, which eases installation on common motor brackets.
The motor advances in 1.8 degrees per step, giving exactly 200 discrete positions during one revolution; this resolution is suitable for open-loop positioning when combined with a microstepping drive. Positional repeatability is maintained within ±1.5% of each commanded step, helping keep cumulative error low over multiple moves. A frame size of NEMA 23 and a corresponding body diameter of 2.25 in allow direct substitution for standard drive packages that share this footprint. A single laminated rotor stack, a smooth shaft with no keyway, and standard construction simplify coupling to belts or couplings while minimizing detent torque. Regular leadwire connections, arranged as eight individual conductors, provide phase access for bipolar or unipolar drive schemes, and the absence of built-in feedback suits applications that use external encoders or open-loop control.
The eight conductors are organized in a single 8-lead bundle, enabling flexible series or parallel wiring without internal rework. This arrangement lets the motor be connected for different drive current and voltage requirements without internal changes. Electrically, class B insulation supports winding temperatures to 130 °C, with dielectric strength verified up to 340 Vdc and insulation resistance rated at 100 megohms. Continuous service is rated from -20 °C to +40 °C, so the unit can operate inside most factory enclosures without forced cooling. There is no shaft seal, so installation should avoid direct liquid splash.
