A: With Hall Sensors B: Sensorless With hall sensor EC1220S-... Values at nominal voltage 12 Torque constant mNm/A 2.20 4.36 13 Speed constant rpm/V 4333 2191 14 Speed/torque gradient rpm/mNm 5701 5834 15 Mechanical time constant ms 10.1 10.4 Operating Range 17 Thermal resistance housing-ambient 38.3 K/W 18 Thermal resistance winding-housing 9.6 K/W 19 Thermal time constant winding 5 s 20 Thermal time constant motor 196 s 22 Max. permissible winding temperature +125°C 24 Axial play at axial load <0.8 N 0 mm 25 Radial play preloaded 26 Max. axial load (dynamic) 0.3 N 27 Max.force for press fits (static) 11 N (static, shaft supported) 200 N 28 Max. radial loading, 5mm from flange 4.3 N 29 Number of pole pairs 1 Conection A (Sensor) PTFE Pin 1 Vhall 3-18 VDC AWG30 Pin 2 Hall sensor HA AWG30 Pin 3 Hall sensor HB AWG30 Pin 4 Hall sensor HC AWG30 Pin 5 GND AWG30 Pin 6 Motor winding MA AWG30 Pin 7 Motor winding MB AWG30 Pin 8 Motor winding MC AWG30 Conector MX1.25-8Y Performance: Customized in the continuous operating range Ball bearing: Preload Flange: Standard frange front&back/customize the frange Shaft: Length/Diameter/Cut face/double shaft/hollow shaft Leadwire: PVC/Silicon/Teflon/UL No/Dimension/length Connector: JST/MOLEX/TE Pin 1 Motor winding MA AWG30 Pin 2 Motor winding MB AWG30 Pin 3 Motor winding MC AWG30