BLDC wheel hub motor i-Wheel Clever 3213.00-2111

Wheel hub drive with fully integrated Circulo 9 Motion Controller, with Safe Motion Modul (SMM), from Synapticon - a compact, intelligent drive system with minimal integration expenses.

Direct drive: Advantages in a nutshell

  • No gearbox – no wear
  • Much longer service life compared to conventional drive technology with a gear stage
  • Excellent running properties with barely perceptible noise level
  • Safer operation through permanent temperature monitoring
  • Ultra-compact with extremely high power density
  • Easy replacement of wheel coating on site possible thanks to patented Ketterer solution

Overall System: Intelligent - Safe - Ultracompact

  • Optimum Performance Scaling: Available in all three Ketterer standard performance classes of the i-Wheel family on request
  • Highest performance in drive control in the smallest installation space
  • Easy to Use: Seamless Integration in a few easy steps
  • Plug & Play: Standard plug & standard cable can be used
  • High speed EtherCAT interface, low latency, negligible Jitter
  • Over 10 certifi ed safety functions (SIL2, Pl-d)
  • High Resolution Absolute Encoder
  • User-friendly Synapticon parameterization and tuning software
  • Model predictive field-oriented control for high efficiency, maximum bandwidth
  • Emergency holding brake with energy saving mode
  • With integrated Safe Motion Module (SMM) from Synapticon
3213.00-2111 i-WheelC-A-170-185    
Rated voltage48 VDC
Rated current1)4.5 A
Rated torque1)5 Nm
Rated speed1)316 rpm
Max. speed at rated torque1)10 km/h
Shaft power (output)1)165 W
Idle running speed2)450 rpm
No-load current2)0.3 A
Max. efficiency2)82 %
Standstill torque2)19.7 Nm
Starting current at idle speed2)35 A
Max. radial axle load F3)2,500 N
Max. axial axle load F3)1,250 N
Encoder resolution262,144 cpr
Material of the coatingPU-Rad: 92° ±3° Shore A
Braking torque of the emergency holding brake16 Nm

1) Max. ambient temperature = 40 °C, controller-specific
2) At the nominal point (TU = 20°C), controller-specific
3) Radial and axial forces apply to the nominal service life L10h = 20,000h according DIN ISO 281



Circulo 9 Motion Controller with Safe Motion Modul (SMM) by Synapticon
Communications interface EtherCAT, FSoE (FailSafe over EtherCAT)
Rated voltage range 24 - 48 V DC
Max. voltage 60 V DC
Continuous phase current RMS 20 A
Max. efficiency 99 %
Hardware Protection Overcurrent, overvoltage, undervoltage, PW deadtime, overtemperature, PWM shoot through
Standard Safety Functions STO/SBC, SIL2, PL-d
Safe Motion Modul FSoE, STO, SBC, SS1/2, SOS, SMS, 4xSLS, Safe Process Data (position, velocity)
Certified security functions STO – SAFE TORQUE OFF 
SBC – SAFE BRAKE CONTROL 
SBT – SAFE BRAKE TEST* 
SS1 – SAFE STOP 1 
SS2 – SAFE STOP 2 
SLS – SAFELY LIMITED SPEED 
SLP – SAFELY LIMITED POSITION* 
SLT – SAFELY LIMITED TORQUE* 
SAFE VELOCITY PROCESS DATA 
SAFE POSITION PROCESS DATA 
SAFE TORQUE PROCESS DATA 
SAFE DIGITAL GPIO AND ANALOG INPUTS 
*The functions must be implemented in the safety controller using safe process data