T22NRLC-LDN-M4-00 Pacific Scientific
Wake Industrial LLC is not an authorized distributor of this product.
The Pacific Scientific T22NRLC-LDN-M4-00 is part of the T High Torque Motors series and weighs 1 kilogram with a motor length of 77.7 mm and a width of 56.9 mm. This motor offers a nominal holding torque of 1.98 N-m and a step angle of 1.8 degrees. It features a rated current per phase of 0.46 A and has an axial shaft load of 111 N.
Internal Product Review
The T22NRLC-LDN-M4-00 is a Pacific Scientific high torque stepper motor with a 1.8° step angle and 2-phase design. Nominal holding torque of 1.98 N-m and rated current of 0.46 A support efficient positioning with strong torque performance. Low detent torque of 0.042 N-m adds smooth indexing, making the motor a strong choice for controlled motion applications.
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Product Description:
The T22NRLC-LDN-M4-00 is a two-phase hybrid stepper motor manufactured by Pacific Scientific for the T High Torque Motors series. It translates pulse trains from PLCs or dedicated indexers into discrete angular motion, providing open-loop positioning for packaging heads, light pick-and-place axes, and small conveyor diverters. By combining high static torque with a compact NEMA-23 footprint, the motor delivers motion control in industrial automation where full servo feedback is unnecessary.
At its rated operating point, the motor produces a holding torque of 1.98 N-m, allowing supported loads to remain stationary whenever the windings are energized. Each control pulse advances the shaft by 1.8°, yielding 200 full-step positions per revolution for straightforward index calculations. The stator is wound for two electrical phases that draw 0.46 A per phase, and the coils have a DC resistance of 41.4 Ω; together, these values determine the required drive voltage and resulting thermal load. An inductance of 209 mH shapes the current rise time, balancing torque linearity with moderate acceleration capability. Detent torque is limited to 0.042 N-m, so unpowered cogging does not hinder microstepping accuracy.
The motor supports an axial load of 111 N and a radial load of 67 N, permitting direct attachment of belt pulleys or lead-screw nuts without auxiliary bearings. The body has an overall length of 77.7 mm, while the square frame measures 56.9 mm across and the assembly weighs 1 kg, making installation practical in confined machinery. Rotor inertia remains low at 3.95 × 10⁻⁵ kg·m², supporting rapid start-stop operation with minimal resonance. A shaft with a diameter of 6.35 mm extends 20.6 mm beyond the front face, providing a compact mechanical interface for couplings, pulleys, or lead-screw assemblies.
