When opening doors, setting switches or when operating press tools, the system has to reach a certain position and maintain it safely. Our torque motors DRM.. are particularly reliable at doing this.
Short movement - Safe Torque Off
The DRM.. is a 12-pole motor that is designed for operation with rated torque at standstill. This makes it the optimum drive for all applications in which a stop position is reached after a short movement and has to be maintained safely. Torque motor is the usual designation for motors of this type.
At SEW-EURODRIVE you will find the right motor for various requirements and speeds together in one gear unit. This is because we offer every torque motor in three rated torques. Furthermore, the DRM.. is also constantly thermally safe and protected when the rotor is blocked.
Our torque motor requires a 3-phase mains supply. The electrical design allows the torque motors to be operated in duty cycle S1 with 100% cyclic duration factor when the rotor is blocked. This means that the torque motor constantly provides the full permissible torque.
However, should your application require a particularly high starting torque for only a short time, we would recommend duty cycle S3. In this duty cycle, the motor runs a cyclic duration factor of 15% and, in this way, reaches up to three/five times the rated torque. Ideal for press tools, for example.
It goes without saying that everything fits together for torque motors and you can use many additional features of the DR.. modular motor system.
Only half the solution without a gear unit? No problem at all, as geared torque motors are assembled from a modular system just like gearmotors. The torque motors develop less torque in comparison to DR... series AC motors of the same design due to thermal conditions, resulting in a greater range of possible combinations with our gear units.
Get in touch with us.
- Our experts understand your industry and your requirements
- Our global network ensures that we are there, whenever you need us
- We have the expertise and the tools to provide optimum support and advice.
Your benefits
-
Full torque
is supplied by the torque motor even when the rotor is blocked. -
No blockage
and no rotating direction, because this is what the motor has been designed for. -
Flexible use
thanks to torque motors in three different rated torques. This is how we help you find the optimum drive for your application.
Features
- Motors of the DRM.. series can also be temporarily operated under voltage by another drive after which they can continue running at their own force
- Connection voltages and IP degrees of protection for our torque motors correspond to those of our AC motors
- Three duty cycle are available
- Duty cycle S1: 0.7 Nm to 3.6 Nm
- Duty cycle S3/15%: 2.6 Nm to 17.3 Nm
- Duty cycle S1 with forced cooling fan: 1.9 Nm to 8.7 Nm
Technical data
DRM.. / torque motors 500 rpm / 400 V / 50 Hz
| S1 | S3/15% | S1 with forced air cooling | |||||
|---|---|---|---|---|---|---|---|
| Type | MN Nm |
IN A |
MN Nm |
IN A |
MN Nm |
IN A |
Standard brake type |
| DRM71S 12 | 0.7 |
0.26 |
2.6 |
0.87 |
1.5 |
0.61 |
BE05 |
| DRM71M 12 | 0.9 |
0.31 |
3 | 0.99 |
2.7 |
0.85 |
BE05 |
| DRM90M 12 | 1.3 |
0.51 |
6.2 |
1.76 |
3.9 |
1.09 |
BE1 |
| DRM100M 12 | 2.3 |
0.8 |
10.4 |
2.75 |
5 |
1.52 |
BE2 |
| DRM100L 12 | 2.6 |
0.88 |
11.7 |
2.95 |
7 |
1.85 |
BE2 |
| DRM132S 12 | 2.9 |
1.53 |
12.9 |
5.6 |
7.2 |
3.2 |
BE5 |
| DRM132M 12 | 3.6 | 2.05 | 17.3 | 7.7 | 8.7 | 4.25 | BE5 |
DRM.. / torque motors 600 rpm / 380 V / 60 Hz also available as 460 V / 60 Hz
| S1 | S3/15% | S1 with forced air cooling | |||||
|---|---|---|---|---|---|---|---|
| Type | MN Nm |
IN A |
MN Nm |
IN A |
MN Nm |
IN A |
Standard brake type |
| DRM71S 12 | 0.6 | 0.28 | 2.1 |
0.92 |
1.5 | 0.65 |
BE05 |
| DRM71M 12 | 0.7 | 0.315 |
2.3 |
1.02 | 2.1 | 0.88 | BE05 |
| DRM90M 12 | 1.1 | 0.58 |
5.4 |
1.97 |
3.2 | 1.22 | BE1 |
| DRM100M 12 | 1.9 |
0.92 |
8.7 |
3.05 |
4.5 |
1.73 |
BE2 |
| DRM100L 12 | 2.1 |
0.99 |
10 |
3.5 |
5.9 |
2.1 |
BE2 |
| DRM132S 12 | 2.5 |
1.78 |
10.4 |
6.4 | 6.2 |
4 |
BE5 |
| DRM132M 12 | 2.7 | 2.3 | 12.2 | 8 | 7.1 | 4.9 | BE5 |
Additional features
| AC motors of the DRM.. series | |
|---|---|
| Size | 71, 80, 90, 100, 112, 132 |
| Mounting position | S, M, L |
| Number of poles | 12 |
| Output options | |
| Output options | /FI, /FF, /FT, /FL, /FG, /FM, /FE, /FY, /FC |
| Mechanical attachments | |
| Brakes | BE05, BE1, BE2, BE5, BE11 |
| Manual brake release | HF, HR |
| Temperature sensor / temperature detection | |
| Thermal motor protection | /TF, /TH |
| Temperature detection | /KT, /PT |
| Encoder | |
| Built-in encoder | /EI7C, /EI76, /EI72, /EI71 |
| Add-on encoder DR71-132 | /ES7S, /ES7R, /ES7C, /AS7W, /AS7Y, /EV7., /AV7., /XV.., /XH.. |
| Mounting adapter | /ES7A, /XV.A, /XH.A |
| Connection alternatives | |
| Connection alternatives | /IS, /ISU, /AS.., /AC.., /AM.., /AD.., /AK.., /AB.., /KCC, /KC1, /IV |
| Ventilation | |
| Low noise fan guard | /LN, |
| Fan guard | /C, /LF |
| Fan | /AL, /U, /OL |
| Forced cooling fan | /V |
| Additional options | |
| 2nd shaft end | /2W |
| Condensation drain hole | /DH |
Areas of application
- All applications where blocking occurs or a maximum torque is allowed even in the opposite rotating direction such as
- Press tools
- Flaps
- Switches
- Rotary gate valves
- Simple winding drives
