![HRSM - Size 11 [28mm]](https://www.kocomotion.de/wp-content/uploads/2025/02/hybrid-rotary_28mm.png)
The size 11 [28mm] Hybrid Rotary Stepper Motor has Max. 0.14N·m of holding torque.
Encoders and 28mm frame planetary gearbox solutions are available.
For special windings or customization, Please contact KOCO for further information.
| Parameter | Unit | 11H2033 | 11H2045 | 11H2052 |
|---|---|---|---|---|
| Current | A | 1 | 1 | 1 |
| Resistance | Ohm | 2.1 | 4.1 | 4.7 |
| Inductance | mH | 1.5 | 4.0 | 4.6 |
| Holding Torque | N.m | 0.06 | 0.1 | 0.14 |
| Rotor Inertia | g·cm² | 9 | 13 | 18 |
| Length | mm | 33.5 | 45 | 52 |
| Mass | g | 110 | 200 | 280 |
| Size | Nema | 11 | 11 | 11 |
| Flange size | mm | 28 | 28 | 28 |
| Family Specification | Unit | HRSM – Size 11 [28mm] |
|---|---|---|
| Accuracy step angle | 1.8°±5% | |
| Accuracy Resistance | ±10% / 20 C | |
| Accuracy Inductance | ±20% / 1KHz | |
| Insulation class | B | |
| Duty type | S1 | |
| Dielectrical strength | 500 VAC / 1 KHz / 1 mA / 1 s | |
| Insulation resistance | 100 MΩ / 500 VDC | |
| Permissible radial load(5MM distance from mounting surface) | 50N | |
| Permissible radial load(10MM distance from mounting surface) | 35N | |
| Permissible radial load(15MM distance from mounting surface) | 25N | |
| Permissible radial load(20MM distance from mounting surface) | 20N | |
| End bell | Aluminum alloy | |
| Bearing | Deep groove ball bearing | |
| Magnet | Sintered NdFeB | |
| Shaft | Stainless steel | |
| Wiring | UL 3265, 26 AWG |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
| Parameter | Unit | 11H2033 |
|---|---|---|
| Current | A | 1 |
| Resistance | Ohm | 2.1 |
| Inductance | mH | 1.5 |
| Holding Torque | N.m | 0.06 |
| Rotor Inertia | g·cm² | 9 |
| Length | mm | 33.5 |
| Mass | g | 110 |
| Size | Nema | 11 |
| Flange size | mm | 28 |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
| Parameter | Unit | 11H2045 |
|---|---|---|
| Current | A | 1 |
| Resistance | Ohm | 4.1 |
| Inductance | mH | 4.0 |
| Holding Torque | N.m | 0.1 |
| Rotor Inertia | g·cm² | 13 |
| Length | mm | 45 |
| Mass | g | 200 |
| Size | Nema | 11 |
| Flange size | mm | 28 |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
| Parameter | Unit | 11H2052 |
|---|---|---|
| Current | A | 1 |
| Resistance | Ohm | 4.7 |
| Inductance | mH | 4.6 |
| Holding Torque | N.m | 0.14 |
| Rotor Inertia | g·cm² | 18 |
| Length | mm | 52 |
| Mass | g | 280 |
| Size | Nema | 11 |
| Flange size | mm | 28 |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
