E22NRFB-LDN-NS-00 Kollmorgen
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The Kollmorgen E22NRFB-LDN-NS-00 is a stepper motor from the E Hybrid Stepper Motors series featuring a NEMA 23 frame size and a body diameter of 2.25 inches. It has a step angle of 1.8 degrees, with 200 steps per revolution, and uses SIGMAX motor construction with an 8-lead connection. The motor operates within a temperature range of -20°C to +40°C and comes with Class B insulation rated at 130°C.
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Product Description:
The E22NRFB-LDN-NS-00 is a hybrid stepper motor produced by Kollmorgen within the E Hybrid Stepper Motors series. As a two-phase positioning device, it converts discrete pulse commands from an indexer or drive into incremental shaft movement. This operating method supports open-loop motion control without requiring feedback hardware. The motor is suitable for feeders, small gantries, metering pumps, and other machinery that relies on repeatable incremental movement.
The motor body measures 2.25 in. in diameter, and the mounting face matches the NEMA 23 frame pattern, allowing direct attachment to standardized brackets. Its internal electromagnetic design uses SIGMAX construction, which concentrates magnetic flux at the rotor teeth to increase torque per ampere. Coil connections exit through an eight-lead bundle with a conventional lead-wire arrangement. This configuration permits series or parallel connections to accommodate high-torque, low-speed operation or high-speed, low-current operation. The laminated rotor and dual-stack assembly complete one full revolution after exactly 200 command pulses. This fixed pulse count provides predictable indexing for machinery that counts commanded steps rather than measuring the shaft position.
Positional tolerance remains within ± 1.5% of the target angle, while each electrical transition advances the shaft by 1.8 degrees. The motor operates within an ambient temperature range of −20 °C to +40 °C, making it suitable for many factory environments without supplemental heating or cooling. Its windings are insulated to 340 VDC, and the Class B insulation system withstands a winding temperature of 130 °C during stalled or high-duty operation. A double smooth shaft provides connection points for encoders, pinions, tensioners, or other mechanical components. The motor does not have a shaft seal, which minimizes rotational drag in applications where the host machine supplies the required enclosure protection. The laminated rotor supports stable incremental movement, while the flexible lead arrangement allows the winding connection to be matched to the intended torque and speed range.
