F1238-H SERIES – 120mm square x 38mm frame sizes– Thermal / Lock protection type– Flange type housing– UL/TUV agency listed– RoHS Compliance– Weight 252g– Operating Temperature -10℃~70℃– Ball bearings or Sleeve bearing structure– Custom added-value options (i.e. special leadwires, connector installation and etc.)– Options : Tachometer output signal or Locked rotor output signal Themistor speed control, PWM duty control Performance Curve Dimension * Speed range at rated voltage is ±10% of rated speed.