M21NRXD-LSS-M1-02
Product Description
M21NRXD-LSS-M1-02 is a Pacific Scientific motor in the POWERMAX II M Motors series. It uses enhanced construction with a standard rotor and one stack. The NEMA 23 frame and NEMA mounting style support installation in compatible NEMA mounting patterns. The motor weighs 0.68 kg, and its standard rotor has an inertia of 0.0017 oz-in-s².
This two-phase motor has a 1.8-degree step angle, producing 200 steps per revolution for incremental positioning. Step accuracy is ±1.5%. Parallel holding torque is 0.95 Nm, which indicates the available stationary shaft torque, while detent torque is 0.066 Nm when the windings are not energized. The type D winding has a parallel phase resistance of 2.61 ohms and a parallel inductance of 8.7 mH. Its rated parallel current is 1.51 A.
The electrical connection uses a regular leadwire style with a receptacle connection arrangement. An encoder mounting provision allows a compatible encoder to be attached for position feedback. The insulation is Class B and rated for 130ºC. Insulation resistance is 100 megohms, and the insulation voltage rating is 340 VDC. Thermal resistance is 5.5ºC/W, indicating the temperature rise associated with heat dissipation. The permitted operating temperature range is -20ºC to +40ºC.
Technical Specifications
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Worldwide shipping via FedEx, UPS, DHL, and freight. Military-grade foam packaging on every order.