OverviewLightweight, compact low-reduction actuator designed for high-dynamics, energy-efficient robotic applications such as humanoid and multi-legged robots. Integrates a precise single-stage planetary gearbox with a high torque-density motor to deliver high peak torque and favorable power-to-weight ratio.
Key product data- Rated Torque: 20 Nm
- Peak Torque: 60 Nm
- Rated Output Power: 380 W
- No-Load Speed: 210 rpm
- Rated Load Speed: 180 rpm
- Weight:
- 1050 g (variant S1-SS)
- 1230 g (variant D2-SS)
- 1255 g (variant D2-SM)
- Reduction Ratio: 9:1
- Outer Diameter: 98 mm
- Length: 73 mm / 86.5 mm (variants S1-xx / D2-xx)
- Communication: EtherCAT
- Safety: STO (Standard), Safe Motion/FSoE (option)
- Electronics: SOMANET Circulo 9
FeaturesDynamics- High-torque outrunner motor for excellent dynamic response
- High peak torque with superior power-to-weight ratio
- Strong acceleration and fast transient response
Planetary Gearbox- High power transmission capability
- Low backdrivability with reduced backlash — quasi direct-drive behavior
- High mechanical efficiency
- Cost-effective solution for compact designs
BEARINGS- Engineered for simplified mechanical integration
- Supports high bending, radial and axial loads
- Stiff and robust design suitable for cyclic loading
Specifications (table)Functional Safety: Safety: STO, SBC via IO or Safety: Safe Fieldbus, Safe Motion
Encoder: Single Encoder or Dual Encoder (1x separate on Output Shaft)
Technical specifications- Rated Torque: 20 Nm
- Peak Torque: 60 Nm
- Rated Output Power: 380 W
- No-Load Speed: 210 rpm
- Rated Load Speed: 180 rpm
- Weight: 1050 g (variant S1-SS); 1230 g (variant D2-SS); 1255 g (variant D2-SM)
- Reduction Ratio: 9:1
- Outer Diameter: 98 mm
- Length: 73 mm / 86.5 mm (variants S1-xx / D2-xx)
- Communication: EtherCAT
- Functional Safety options: STO, SBC via IO OR Safe Fieldbus, Safe Motion
- Encoder options: Single Encoder OR Dual Encoder (1x separate on Output Shaft)
- Electronics family: SOMANET Circulo 9