Front Dimension : 18.6x18.6mm , 18.6x37.8mm , 18.6x56.9mm
Mounting Hole Size : 19x19mm , 19x38.2mm , 19x57.3mm
Switching Rating : 100§Å / 10§Ë to  42V / 100mA
Front Protection : IP40
1 low-level element.