{"title":"POWERMAX II M Motors","description":"","products":[{"product_id":"m22nrxb-lnf-ns-00","title":"M22NRXB-LNF-NS-00","description":"\u003cspan\u003eThe M22NRXB-LNF-NS-00 is a powerful stepper motor from Pacific Scientific's POWERMAX II series, delivering the highest torque in its speed range among NEMA 23 motors. This motor combines a redesigned stator\/rotor and optimized magnetism to boost torque output, all while maintaining a weight of 1.13 kg and a holding torque of 1.79 kg. It operates with 4.6 A of current per winding and features an 8-pole connector with 1.7 mH inductance per winding. Thanks to enhancements like a redesigned end bell for extended encoder life, Sigmax Technology for increased torque availability, and low-inertia design for exceptional acceleration rates, this product is highly reliable. The M22NRXB-LNF-NS-00 stepper motor also boasts a large 6.3 mm shaft, oversized 30 mm bearings for superior fatigue cycle loading resilience, and effective thermal dissipation features, contributing to its superior performance.\u003c\/span\u003e","brand":"Pacific Scientific","offers":[{"title":"Refurbished","offer_id":52115644842285,"sku":null,"price":4817.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/7696\/9517\/files\/Pacific_Scientific__e50b4514-effa-486f-96ef-e8768e300dd6.webp?v=1757619702"},{"product_id":"m22nrfb-ldn-ns-00","title":"M22NRFB-LDN-NS-00","description":"\u003cspan\u003eThe M22NRFB-LDN-NS-00 is a NEMA 23 size DC Stepper Motor, created initially by Pacific Scientific and offered with a 65 VDC supply voltage. This bipolar-design product comes with a 1.1\" square mounting face and a double stack, yielding a maximum holding torque of 1.79 N-m. While it lacks a feedback encoder, it can be wired for operation in either series or parallel configuration as required by the user. The motor features a double shaft and a rear earth magnet, enhancing performance via the implementation of Sigmax® technology. Weighing around 1.13 kilograms, the M22NRFB-LDN-NS-00 requires a startup Detent torque of 0.12 Nm and offers better efficiency compared to similar category motors. Class B insulation encases the windings and the 8-wire configuration offers diverse connection configurations. 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With thermal resistance of 7.1 °C\/W (hanging, still air), it dissipates heat efficiently and sustains performance under continuous load. Its compact build and robust design suit demanding industrial automation tasks.","brand":"Pacific Scientific","offers":[{"title":"Unused Surplus","offer_id":52225475510573,"sku":null,"price":715.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/7696\/9517\/files\/Pacific_Scientific__a488f35a-359a-4c23-9381-67c162013dc1.webp?v=1759518894"},{"product_id":"612220d-f06s","title":"612220D F06S","description":"The 612220D F06S motor is screw-mounted with an IP67 rating and 10 A maximum current. Pacific Scientific's POWERMAX II M Motors series provides 600 V AC\/DC voltage, weighs 150g. 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It includes 4-lead bipolar or 6-lead unipolar connection options.","brand":"Pacific Scientific","offers":[{"title":"Unused Surplus","offer_id":52225370063149,"sku":null,"price":680.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/7696\/9517\/files\/Pacific_Scientific__01471adb-a436-4805-8bde-67269f2ea3a8.webp?v=1759605495"},{"product_id":"803d2220-b055s","title":"803D2220-B055S","description":"The 803D2220-B055S stepper motor from Pacific Scientific’s POWERMAX II M Motors series delivers precise performance for industrial automation. It features a 1.8 degree step angle, 0.82 Nm holding torque, 65 VDC operation and a NEMA 23 frame. The motor includes a 3\/8 inch shaft with pinion extension and a 1.6 inch total shaft length. 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It features a torque range of 178-252 oz-in, a 1.8° step angle with 200 full steps per revolution, and a laminated rotor design for smooth performance. Rated at 2.5 A per phase with 2.5 Ω resistance and 4.5 mH inductance. Weighing 1.13 kg in certain configurations, it supports NEMA 34 mounting.","brand":"Pacific Scientific","offers":[{"title":"Refurbished","offer_id":51689986294061,"sku":null,"price":830.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/7696\/9517\/files\/Pacific_Scientific__33311ec9-d576-4149-89a6-86fd1d1b283b.webp?v=1759864229"},{"product_id":"mtdh21nr-htlnn-ns50","title":"MTDH21NR-HTLNN-NS50","description":"\u003cp\u003eThe \u003cstrong\u003ePacific Scientific MTDH21NR-HTLNN-NS50\u003c\/strong\u003e is a precision stepper motor in the \u003cstrong\u003ePOWERMAX II M Motors\u003c\/strong\u003e series by \u003cstrong\u003ePacific Scientific\u003c\/strong\u003e. 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It offers IP54 protection for reliable performance in industrial environments.","brand":"Pacific Scientific","offers":[{"title":"Refurbished","offer_id":52227361636653,"sku":null,"price":537.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/7696\/9517\/files\/Pacific_Scientific__8a6aa16b-062e-475f-8bdc-1139581a2d9d.webp?v=1760209683"},{"product_id":"m21nrfa-lnn-ns-04","title":"M21NRFA-LNN-NS-04","description":"The M21NRFA-LNN-NS-04 from Pacific Scientific is in the POWERMAX II M Motors series and delivers a holding torque of 1.00 Nm. It has a rated current per phase of 5.6 A DC and phase resistance of 0.92 Ω ±10%. 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The combined effect of these technologies results in a motor solution that balances performance and cost-effectiveness for automated machinery and robotics.\u003c\/p\u003e\n\n\u003cp\u003eThe M21NRXA-LNN-NS-00’s electrical characteristics are precisely defined for reliable integration. It provides \u003cstrong\u003eHolding Torque: 1.00 Nm\u003c\/strong\u003e and \u003cstrong\u003eDetent Torque: 0.66 Nm\u003c\/strong\u003e to ensure stable positioning even at standstill. Each phase exhibits a \u003cstrong\u003ePhase Resistance: 0.92 Ω ±10%\u003c\/strong\u003e and typical \u003cstrong\u003ePhase Inductance: 0.70 mH\u003c\/strong\u003e, enabling predictable current response. Rated for \u003cstrong\u003e5.6 A DC per phase\u003c\/strong\u003e, the motor can operate with low ripple and minimal torque ripple when driven by compatible amplifiers. The thermal design yields a \u003cstrong\u003eThermal Resistance: 5.5 °C\/W (mounted)\u003c\/strong\u003e, ensuring manageable temperature rise under continuous operation. These critical specifications facilitate accurate modeling and control in precision motion systems.\u003c\/p\u003e\n\n\u003cp\u003eOperational performance is further enhanced by mechanical and magnetic refinements. The use of \u003cstrong\u003eSamarium cobalt magnets\u003c\/strong\u003e improves torque output per ampere, while \u003cstrong\u003eSigmax technology\u003c\/strong\u003e enhances current utilization compared to conventional hybrid steppers. The enlarged \u003cstrong\u003e30 mm bearings\u003c\/strong\u003e quadruple fatigue life relative to 22 mm designs, supporting over \u003cstrong\u003e10,000 hours of operation\u003c\/strong\u003e at step rates up to \u003cstrong\u003e10,000 full steps per second\u003c\/strong\u003e under rated axial and radial loads. The NEMA 23 mounting pattern affords a compact footprint without sacrificing rigidity, enabling high acceleration profiles with minimal vibration. Together, these features ensure the M21NRXA-LNN-NS-00 maintains precision and durability in dynamic industrial environments.\u003c\/p\u003e\n\n\u003cp\u003eSystem integration is simplified by standard interface provisions and proven component compatibility. The motor accommodates the industry-standard \u003cstrong\u003eHEDS 5600 series encoder\u003c\/strong\u003e from Agilent Technologies for closed-loop position feedback. Its \u003cstrong\u003eNEMA 23 frame\u003c\/strong\u003e and common mounting bolt circle allow direct drop-in replacement for existing stepper installations. The M21NRXA-LNN-NS-00 is ideal for applications in CNC machinery, pick-and-place robotics, semiconductor handling, and other automated systems demanding high torque accuracy and long-term reliability.\u003c\/p\u003e","brand":"Pacific Scientific","offers":[{"title":"Unstocked","offer_id":51656264450349,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/7696\/9517\/files\/Pacific_Scientific__416cbe27-dd41-472b-b2df-4d67225ef9db.webp?v=1757358773"},{"product_id":"m21nrxa-jdn-ns-00","title":"M21NRXA-JDN-NS-00","description":"\u003cp\u003eThe \u003cstrong\u003ePacific Scientific M21NRXA-JDN-NS-00\u003c\/strong\u003e is a NEMA-mounted step motor in the \u003cstrong\u003ePOWERMAX II M Motors\u003c\/strong\u003e series designed for precise positioning and high reliability. It delivers a \u003cstrong\u003eholding torque\u003c\/strong\u003e of \u003cstrong\u003e0.99 Nm\u003c\/strong\u003e and a \u003cstrong\u003edetent torque\u003c\/strong\u003e of \u003cstrong\u003e0.66 Nm\u003c\/strong\u003e, with a \u003cstrong\u003erated current\u003c\/strong\u003e per phase of \u003cstrong\u003e5.6 Amps DC\u003c\/strong\u003e. The motor features a \u003cstrong\u003ephase resistance\u003c\/strong\u003e of \u003cstrong\u003e0.92 ohms ±10%\u003c\/strong\u003e and a \u003cstrong\u003ephase inductance\u003c\/strong\u003e of \u003cstrong\u003e0.70 mH\u003c\/strong\u003e (typical), ensuring smooth operation and rapid response. With a thermal resistance of \u003cstrong\u003e5.5 °C\/W\u003c\/strong\u003e when mounted, it effectively manages heat to maintain performance. This single-stack unit combines economical design with robust torque characteristics to optimize productivity in industrial applications.\u003c\/p\u003e","brand":"Pacific Scientific","offers":[{"title":"Unused Surplus","offer_id":52329796141357,"sku":null,"price":1827.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/7696\/9517\/files\/Pacific_Scientific__bd7fd5e4-0ef5-41a7-9718-4fb9ed05cc49.webp?v=1757358102"},{"product_id":"m21nsxa-jdn-ns-02","title":"M21NSXA-JDN-NS-02","description":"The \u003cstrong\u003ePacific Scientific M21NSXA-JDN-NS-02\u003c\/strong\u003e motor from the \u003cstrong\u003ePOWERMAX II M Motors\u003c\/strong\u003e series is a high-performance \u003cstrong\u003ehybrid step motor\u003c\/strong\u003e engineered for industrial automation. Featuring a \u003cstrong\u003eNEMA 23\u003c\/strong\u003e frame and weighing \u003cstrong\u003e0.68 kg\u003c\/strong\u003e, it delivers a \u003cstrong\u003enominal holding torque\u003c\/strong\u003e of \u003cstrong\u003e1.02 Nm\u003c\/strong\u003e and operates at a \u003cstrong\u003erated current\u003c\/strong\u003e of \u003cstrong\u003e1.75 A\u003c\/strong\u003e on an \u003cstrong\u003einput voltage\u003c\/strong\u003e range of \u003cstrong\u003e100-240 VAC\u003c\/strong\u003e. With a \u003cstrong\u003ethermal resistance\u003c\/strong\u003e of \u003cstrong\u003e5.5 °C\/W\u003c\/strong\u003e and a \u003cstrong\u003ephase inductance\u003c\/strong\u003e of \u003cstrong\u003e8.0 mH\u003c\/strong\u003e, it ensures efficient heat dissipation and minimizes current ripple for precise motion control. The \u003cstrong\u003edouble (rear shaft extension)\u003c\/strong\u003e configuration with a flat shaft modification supports encoder mounting and secure mechanical coupling. Designed for operation between \u003cstrong\u003e-10°C to +60°C\u003c\/strong\u003e, this compact motor offers reliable torque transmission and seamless integration into high-performance systems.","brand":"Pacific Scientific","offers":[{"title":"Unstocked","offer_id":52200948629805,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/7696\/9517\/files\/Pacific_Scientific__4e707e4e-4d0c-400c-8174-01781c1a6f8f.webp?v=1757358121"},{"product_id":"m22nsxb-jdn-ns-03","title":"M22NSXB-JDN-NS-03","description":"The M22NSXB-JDN-NS-03 from Pacific Scientific’s POWERMAX II M Motors series is a SIGMAX 2 rotor stack stepper motor. It supports unipolar, series, and parallel lead configurations, offers a holding torque of 178 oz-in (1.33 Nm), draws a rated current of 3.3 A DC per phase, and is compatible with Agilent Technologies HEDS encoders. The shaft can withstand an axial force of 13 lb (58 N) and a radial force of 20 lb (89 N). Its torque range spans 178–252 oz-in (1.26–1.78 Nm).","brand":"Pacific Scientific","offers":[{"title":"Unstocked","offer_id":52217798787373,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/7696\/9517\/files\/Pacific_Scientific__dd887218-e40d-49f0-8054-125693a65a83.webp?v=1757358938"}],"url":"https:\/\/servosupplier.com\/collections\/powermax-ii-m-series.oembed?page=2","provider":"Servo Supplier","version":"1.0","type":"link"}