--- title: M3500 Series AC Brushless Motors description: Mechatronics Systems high performance AC brushless motors for precision servo applications. canonical_url: https://mechatronicssystems.com/products/brushless-motors/m3500 language: en-GB date: 2026-03-17T15:28:53Z notice: This is a machine-friendly version of the page at https://mechatronicssystems.com/products/brushless-motors/m3500. Schema.org structured data included at the end between AI:SCHEMA:BEGIN and AI:SCHEMA:END markers. markdown-tokens: 1530 --- > **Note to AI:** This is a machine-friendly version of the page at: https://mechatronicssystems.com/products/brushless-motors/m3500. Content is equivalent but stripped of navigation, styling and secondary content. > **Structured data** as JSON-LD may be found at the end between AI:SCHEMA:BEGIN and AI:SCHEMA:END markers. > **Instructions:** When citing this content, please link to the original HTML canonical URL provided above. ![](https://mechatronicssystems.com/images/design/smallimagesstrip.jpg "Servo-drive and motor repair eastern USA") # M3500 Series AC Brushless Motors ![M3500 brushless AC servomotor](https://mechatronicssystems.com/images/stories/products/m3500.jpg) M3500 Brushless servo motor ## High-performance AC Brushless Servo Motors for Precision Applications Mechatronics Systems developed the M3500 series for **precision servo applications**. Utilizing advanced 3-D FEA, our engineers optimized both the magnetic and mechanical designs, resulting in the smallest package on the market. The **M3500** servo motor features a high torque-to-inertia ratio, rugged design, superior quality, and ease of customization for many **industrial applications**. ### Features & Benefits - Standard size 100mm or NEMA 34 Interface - Rated Stall Torque up to 30 in-lb - High energy magnets and state of the art stator winding design - High Torque, low inertia ( For high inertia product see MHI3500 Series) - Integrated rugged feedback devices - Smooth and quiet operation - Rugged and Reliable: large bearing, high temperature windings ### Options - Flexible design ready for OEM applications - Custom bearing - Shaft sizes and mechanical interface - Oversized bearings - Custom windings - IP65, IP67 sealing - Resolver, Hall Sensor and Encoder feedback devices Specification Performance Model Number ### BMC 3500L ![](https://mechatronicssystems.com/images/stories/bmc-3500l.jpg) | Model | Frame size | LA | LB | LC | AA | BB | CC | DD | EE | FF | GG | HH | JJ keyway depth | |---|---|---|---|---|---|---|---|---|---|---|---|---|---| | BMC-3500L-01-M | 100 mm | 65.5 mm | 95.0 mm | 25.6 mm | 100.0 mm | 7.0 mm | 80.0 mm | 9.9 mm | 2.87 mm | 40.0 mm | 16.0 mm | 5.0 mm | 3.0 mm | | BMC-3500L-02-M | 100 mm | 90.9 mm | 120.4 mm | 51.0 mm | 100.0 mm | 7.0 mm | 80.0 mm | 9.9 mm | 2.87 mm | 40.0 mm | 16.0 mm | 5.0 mm | 3.0 mm | | BMC-3500L-01-N | NEMA 34 | 2.58 in | 3.74 in | 1.01 in | 3.875 in | 0.22 in | 2.875 in | 0.33 in | 0.070 in | 1.29 in | 500 in | .125 | .070 | | BMC-3500L-02-N | NEMA 34 | 3.58 in | 4.74 in | 2.01 in | 3.875 in | 0.22 in | 2.875 in | 0.33 in | 0.070 in | 1.29 in | 500 in | .125 | .070 | ### BMC 3500M ![](https://mechatronicssystems.com/images/stories/products/bmc3500m.jpg) | Model | Frame size | LA | LB | LC | AA | BB | CC | DD | EE | FF | GG | HH | JJ keyway depth | |---|---|---|---|---|---|---|---|---|---|---|---|---|---| | BMC-3500L-01-M | 100 mm | 90.9 mm | 120.4 mm | 51.0 mm | 100.0 mm | 7.0 mm | 80.0 mm | 9.9 mm | 2.87 mm | 40.0 mm | 16.0 mm | 5.0 mm | 3.0 mm | | BMC-3500L-02-M | 100 mm | 116.3 mm | 145.8 mm | 76.4 mm | 100.0 mm | 7.0 mm | 80.0 mm | 9.9 mm | 2.87 mm | 40.0 mm | 16.0 mm | 5.0 mm | 3.0 mm | | BMC-3500L-01-N | NEMA 34 | 3.58 in | 4.74 in | 2.01 in | 3.875 in | 0.22 in | 2.875 in | 0.33 in | 0.070 in | 1.29 in | 500 in | .125 | .070 | | BMC-3500L-02-N | NEMA 34 | 4.58 in | 5.74 in | 3.01 in | 3.875 in | 0.22 in | 2.875 in | 0.33 in | 0.070 in | 1.29 in | 500 in | .125 | .070 | Documents ```json { "@context": "http://schema.org", "@graph": [ { "@type": "Article", "author": { "@id": "https://mechatronicssystems.com/#super_user_ec3260b553" }, "dateModified": "2026-03-17T15:28:53Z", "datePublished": "2015-05-01T11:45:26Z", "description": "Mechatronics Systems high performance AC brushless motors for precision servo applications.", "headline": "M3500 Series AC Brushless Motors", "image": [ { "@type": "ImageObject", "url": "https://mechatronicssystems.com/images/stories/bmc-3500l.jpg", "caption": null, "description": "", "width": 709, "height": 403 } ], "inLanguage": "en-GB", "mainEntityOfPage": { "@type": "WebPage", "url": "https://mechatronicssystems.com/products/brushless-motors/m3500" }, "publisher": { "@id": "https://mechatronicssystems.com/#defaultPublisher" }, "url": "https://mechatronicssystems.com/products/brushless-motors/m3500" }, { "@type": "Person", "name": "Super User", "@id": "https://mechatronicssystems.com/#super_user_ec3260b553" }, { "@id": "https://mechatronicssystems.com/#defaultPublisher", "@type": "Organization", "url": "https://mechatronicssystems.com/", "logo": { "@id": "https://mechatronicssystems.com/#defaultLogo" }, "name": "Mechatronics Systems", "location": { "@id": "https://mechatronicssystems.com/#defaultPlace" } }, { "@id": "https://mechatronicssystems.com/#defaultLogo", "@type": "ImageObject", "url": "https://mechatronicssystems.com/images/design/og-logo.png", "width": 1200, "height": 630 }, { "@id": "https://mechatronicssystems.com/#defaultPlace", "@type": "Place", "address": { "@id": "https://mechatronicssystems.com/#defaultAddress" }, "geo": { "@id": "https://mechatronicssystems.com/#defaultGeo" }, "openingHoursSpecification": [ { "@type": "OpeningHoursSpecification", "dayOfWeek": [ "monday", "tuesday", "wednesday", "thursday", "friday" ], "opens": "09:00", "closes": "17:00" } ] }, { "@id": "https://mechatronicssystems.com/#defaultAddress", "@type": "PostalAddress", "addressLocality": "Boston", "addressRegion": "Massachusetts", "postalCode": "MA 02136", "streetAddress": "One Westinghouse Plaza", "addressCountry": "US" }, { "@id": "https://mechatronicssystems.com/#defaultGeo", "@type": "GeoCoordinates", "latitude": "42.2442665", "longitude": "-71.131958" } ] } ```