E31NRLP-LSN-NS-02 Kollmorgen
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The Kollmorgen E31NRLP-LSN-NS-02 is a stepper motor from the E Hybrid Stepper Motors series, featuring a NEMA 34 frame size and SIGMAX construction. It provides a step angle of 1.8 degrees with an accuracy of plus or minus 1.5 percent, and has a smooth shaft with a regular leadwire connection style. The motor is rated for Class B insulation up to 130°C and an insulation voltage of 340 VDC, and operates in temperatures from -20°C to 40°C.
Internal Product Review
The E31NRLP-LSN-NS-02 is a Kollmorgen E Hybrid stepper motor with a 1.8-degree step angle and 200 steps per revolution. NEMA 34 packaging and a smooth shaft make integration straightforward in motion systems. Max-torque-at-high-speed winding gives the motor excellent dynamic performance for demanding indexing applications.
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Product Description:
The E31NRLP-LSN-NS-02 is a hybrid stepper motor produced by Kollmorgen within the E Hybrid Stepper Motors series. Designed for motion axes in packaging machinery, labelers, and semiconductor tooling, the motor converts digital pulse trains from indexers or microstepping drives into incremental rotation without requiring feedback. Closed-loop control can be added when the application requires position verification or correction. The motor mounts directly to NEMA equipment brackets, and its smooth shaft transfers torque to couplings or pulleys for precise load positioning.
With a frame size of NEMA 34, the motor has a 3.4-inch square face that mates with standard flange patterns. Each command pulse moves the rotor by 1.8 degrees, resulting in 200 steps per revolution and providing predictable angular resolution for indexing tables or lead screw drives. The windings use Class B insulation rated for 130 °C, allowing the insulation system to withstand prolonged stall or high-current operating conditions. Coil conductors are further protected by an insulation system tested to 340 VDC, accommodating common unregulated bus supplies in stepper amplifiers. A four-lead series wiring arrangement is accessed through standard lead wires, allowing the phase current to be configured for the required balance of torque and speed. The single-stack rotor helps minimize detent torque and inertia during acceleration and deceleration.
Positional repeatability is supported by a step accuracy of ±1.5%, which keeps error low across multi-turn movements. The permitted ambient temperature range is -20 °C to +40 °C, allowing operation in unheated warehouses or ventilated control cabinets. The dielectric system maintains an insulation resistance of at least 100 megohms between the windings and frame, reducing leakage current that could interfere with drive electronics. Kollmorgen’s patented SIGMAX construction aligns rare-earth magnets and laminations to concentrate magnetic flux. This arrangement supports a winding optimized for maximum torque at high speed without increasing the length of the motor body. The concentrated flux also supports responsive acceleration under changing loads while preserving the predictable step movement required for positioning applications.
