E22NRFT-JDN-NS-02 Kollmorgen
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The Kollmorgen E22NRFT-JDN-NS-02 is a hybrid stepper motor from the E Hybrid Stepper Motors series and features a 2.25 inch body diameter with NEMA 23 frame size. It has a step angle of 1.8 degrees, yielding 200 steps per revolution, and offers bipolar series or parallel wiring modes with an 8 lead connection. Designed with SIGMAX construction, this motor has a smooth shaft, insulation class B rated to 130°C, and operates within a temperature range of -20°C to +40°C.
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Product Description:
The E22NRFT-JDN-NS-02 is a hybrid stepper motor produced by Kollmorgen within the E Hybrid Stepper Motors series. Designed for incremental positioning in industrial automation, the unit converts discrete control pulses into accurate shaft rotation without requiring embedded feedback hardware. Its design allows a compact motor to be paired with economical open-loop drives when conveyor indexes, pick-and-place heads, or metering pumps require repeatable motion. The motor can maintain predictable positioning when the connected load remains within the available torque range.
The motor fits a NEMA 23 frame and has a body diameter of 2.25 inches, allowing it to fit standard mounting flanges while keeping enclosure depth modest. Each command pulse turns the rotor 1.8 degrees, producing 200 discrete steps per revolution with a step accuracy of ±1.5%, which supports precise microstepping control. SIGMAX construction concentrates magnetic flux to increase torque at low speeds, and the winding set is optimized for maximum torque near stall. A NEMA-style mounting face simplifies attachment to compatible machinery. Class B insulation rated at 130 °C supports operation within the motor’s thermal limits. The insulation system provides 100 MΩ of resistance and withstands a dielectric test voltage of up to 340 VDC, protecting the coils from leakage current when they are powered by modern bipolar amplifiers.
The motor operates in ambient temperatures from -20 °C to +40 °C, allowing installation in most shop-floor environments without supplemental heating or cooling. Its eight-lead configuration allows the coils to be wired in series or parallel current paths, and the rotor accelerates quickly during indexing duty. The smooth shaft accepts clamp-style or set-screw couplings, while the absence of feedback components reduces the required installation length. When connected through standard lead wires, the low-inertia configuration supports rapid speed changes during repetitive positioning cycles. The motor supports bipolar series or parallel operation to accommodate the drive’s available voltage and current. Two magnetic stacks increase holding torque for applications that must maintain shaft position while the motor is energized.
