MX Series Hazardous Duty
The explosion-proof MX Series provides hazardous-duty stepper motors suitable for use in Class 1, Division 1&2, Group D locations. They are available in NEMA 34 and 42 frame sizes (90 and 110 mm), and provide minimum holding torques from 1.27 to 9.82 N-m (180 to 1390 oz-in).
Features
- MX09 models: NEMA 34 (90 mm) motors available in three stack lengths with minimum torque ratings from 1.27 to 3.88 N-m (180 to 550 oz-in
- MX11 models: NEMA 42 (110 mm) motors available in 2 stack lengths with minimum torque ratings from 6.0 to 9.82 N-m (850 to 1390 oz-in)
- Speeds up to 3,000 rpm provide for velocity demands of most high torque applications
Specifications
MX9 Series Stepper Motors, NEMA 34 90mm, Series winding configuration
| Holding Torque (2 phases on) | Rated Current/phase | Phase Resistance | Phase Inductance | Thermal Resistance | Rotor Inertia | Weight | Shaft Loading - Radial Force | Shaft Loading - Axial Force | |
|---|---|---|---|---|---|---|---|---|---|
| Model | Nm +/-10% | Amps DC | Ohms +/-10% | mH Typical | Mounted °C/Watt | kg-m2 x 103 | kg | N | N |
| MX91-FF-206U | 1.27 | 3.0 | 1.0 | 10.0 | 2.9 | 0.067 | 2.7 | 111 | 222 |
| MX91-FF-402U | 1.27 | 4.0 | 0.72 | 6.0 | 2.9 | 0.067 | 2.7 | 111 | 222 |
| MX91-FF-403U | 1.27 | 6.0 | 0.18 | 1.5 | 2.9 | 0.067 | 2.7 | 111 | 222 |
| MX92-FF-206U | 2.61 | 4.0 | 1.0 | 11.0 | 1.7 | 0.123 | 4.1 | 111 | 222 |
| MX92-FF-401U | 2.61 | 7.0 | 0.28 | 2.8 | 1.7 | 0.123 | 4.1 | 111 | 222 |
| MX93-FF-206U | 3.88 | 4.0 | 0.90 | 13.0 | 2.1 | 0.187 | 5.0 | 111 | 222 |
| MX93-FF-401U | 3.88 | 5.0 | 0.65 | 8.0 | 2.1 | 0.187 | 5.0 | 111 | 222 |
| MX93-FF-402U | 3.88 | 7.0 | 0.16 | 2.0 | 2.1 | 0.187 | 5.0 | 111 | 222 |
MX11 Series Stepper Motors, NEMA 42 110 mm, Series winding configuration
| Holding Torque (2 phases on) | Rated Current/phase | Phase Resistance | Phase Inductance | Thermal Resistance | Rotor Inertia | Weight | Shaft Loading - Radial Force | Shaft Loading - Axial Force | |
|---|---|---|---|---|---|---|---|---|---|
| Model | Nm +/-10% | Amps DC | Ohms +/-10% | mH Typical | Mounted °C/Watt | kg-m2 x 103 | kg | N | N |
| MX111 | 6.0 | 1.1 | 3.6 | 16.0 | 7.4 | 393 | 4.5 | 111 | 222 |
| MX112 | 9.82 | 2.7 | 2.5 | 2.5 | 1.8 | 806 | 8.2 | 111 | 222 |
Media & Downloads
| Title | Language | Date | Share URL |
|---|---|---|---|
| Kollmorgen Full-line Catalog | English | Share URLview | |
| Explosion Proof Motor Brochure | English | Share URLview | |
| Kollmorgen Stepper Motor Catalog | English | Share URLview | |
| MX Series Hazardous Duty Stepper Motor Catalog | English | Share URLview |
These files cover the standard product family line. For environmental declarations for custom products, i.e. part numbers containing “S” or “X”, visit our Environmental Compliance search.
| Title | File Language | Date | Share URL |
|---|---|---|---|
| China Compulsory Product Certification (CCC Technical Notice) | English | |
Share URL /sites/default/files/2026-01/CCC%20Technical%20Notice%20on%20Scope%20of%20Kollmorgen%20Products%2008JAN25.pdf |
| MX9 Motor UL Certificate of Compliance | English | |
Share URL /sites/default/files/2023-07/E120721-Vol1-Sec7-20140915_0.pdf |
These 3D models are intended to guide your design activities and may be used as reference information. Be sure to consult a Kollmorgen expert to ensure you have the most current and accurate information for critical aspects of design work.
| Title | File Language | Date | Share URL |
|---|---|---|---|
| 2D/3D Product Model | English | |
Share URL https://www.kollmorgen.com/en-us/service-and-support/technical/3d-models |
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