E32NCHP-LEN-PD-01 Kollmorgen
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The Kollmorgen E32NCHP-LEN-PD-01 is a stepper motor from the E Hybrid Stepper Motors series with a NEMA 34 frame size and a holding torque of 4.75 N-m. The motor weighs 2.40 kg, features SIGMAX construction, and has an operating temperature range of -20°C to +40°C. It includes an optical incremental encoder with a resolution of 500 LPR and quadrature with index output at 100 kHz.
Internal Product Review
The E32NCHP-LEN-PD-01 is a Kollmorgen hybrid stepper motor built in a NEMA 34 frame with 4.75 N-m holding torque. Optical incremental feedback with 500 LPR resolution gives motion systems clean position tracking and dependable integration. High-speed torque winding and 8.1 A per phase make the motor a strong choice for demanding indexing and positioning duty.
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Product Description:
The E32NCHP-LEN-PD-01 is a hybrid stepper motor built by Kollmorgen for the E Hybrid Stepper Motors series. This two-phase device combines a NEMA mounting interface with an integral optical incremental encoder, allowing closed-loop position and velocity control in pick-and-place modules, indexing tables, and light conveyor axes. In industrial automation, it converts digital step commands into accurate shaft rotation without requiring a full servo system. The encoder provides position feedback that can help the controller detect motion errors and maintain consistent operation under changing loads.
Continuous holding torque reaches 4.75 N-m from a NEMA 34 frame containing SIGMAX laminations and windings optimized for high-speed torque. Each of the two stacks is energized through a four-lead parallel circuit that accepts 8.1 A per phase. The winding has a resistance of 0.19 Ω and an inductance of 2.2 mH. The optical incremental encoder supplies 500 LPR quadrature signals and an index pulse through a differential line output operating at 100 kHz. Encoder signals leave the housing through a System MS connector for connection to the motion controller. Rotor inertia is 0.120 × 10⁻³ kg-m², while the shaft tolerates an axial load of 801 N and a radial load of 156 N. Positional accuracy remains within ±1.5%, supporting repeatable motion during full-step and microstepping operation.
The motor operates within an ambient temperature range of -20 °C to +40 °C. Its thermal resistance is 2.7 °C/W, and the unit weighs 2.40 kg. Class B insulation supports a hot-spot temperature of 130 °C, withstands a 340 VDC test potential, and maintains an insulation resistance of 100 MΩ to ground. A NEMA flange provides a conventional mounting surface for installation on compatible machine frames and brackets. The motor completes 200 full steps per revolution, providing uniform angular increments for controlled positioning. Its parallel winding arrangement supports applications that require responsive current changes and useful torque across the operating speed range.
