Schneider Electric XB4BD912R1K Potentiometers; Resistance (Ohms): 1000 ; Operator Type: Knob ; Number Of Positions: 10; 10 ; Mounting Hole Diameter (mm): 22 ; NEMA Rating: 4 ; Standards Met: CSA; CSA C22-2; EN/IEC 60947-1; EN/IEC 60947-5-1; UL; UL508