Product Description:

The H33NRFC-LDN-NS-00 is a hybrid stepper motor produced by Kollmorgen within the H Hybrid Motors series. By combining permanent-magnet and variable-reluctance technology, this motor delivers incremental motion for positioning tables, packaging equipment, and similar automated axes that need repeatable open-loop control. It is intended for applications that require dependable step-by-step movement without relying on closed-loop feedback for basic positioning.

The housing length is 5.06 in, and the frame uses a NEMA 34 mounting interface for compatibility with standard brackets that share this bolt pattern. The windings use Class B insulation with a 130 °C rating, and the coils withstand up to 340 Vdc between conductors and frame. A laminated rotor, three-stack construction, and a smooth shaft help produce uniform detent torque without a mechanical keyway. The motor uses a regular lead-wire configuration with eight leads, which allows either series or parallel phase wiring. Minimum lead length is 12 in, and the conductors use #22 AWG copper for a balance of flexibility and current capacity. Each electrical step advances the shaft by 1.8 degrees, and cumulative positioning error remains within ±1.5% of commanded travel.

The step sequence totals 200 increments per revolution, which allows use with micro-stepping drives when finer resolution is needed. Coil insulation maintains a minimum resistance of 100 Megohms at room temperature to limit leakage current in high-impedance control circuits. Continuous service is supported from -20 °C to +40 °C, which matches typical factory enclosure conditions. A laminated rotor keeps inertia moderate for responsive starts, while the eight-lead interface simplifies polarity changes during setup. The regular lead-wire exit and smooth shaft also help when the motor is connected to gearheads, couplings, or timing-belt pulleys.