This head for push-button is a separate component of the range of control and signaling units, Harmony 9001SK diameter 30mm. It has a double insulated bezel. It is supplied without knob. Thanks to its double insulated bezel it is adapted for applications requiring a high resistance to corrosion. It features push pull operation. The 30 mm Harmony range offers a large choice of robust and reliable products to meet a great number of applications in heavy industries such as petrochemy, metallurgy, mining oil and gas wastewater treatment, automobile manufacturing. It is UL listed and CSA certified, CE declaration of conformity and RoHS compliant. Specifications Main Range of Product Harmony 9001SK Product or Component Type Head for push-button Device short name 9001SK Complementary bezel material Plastic Mounting diameter 1.18 in (30 mm) Shape of signaling unit head Octagonal Type of operator Maintained Light source Without Light block supply Without supply Contacts type and composition Without contact block Product Certifications CE UL listed file E42259 CCN NKCR CSA LR24590 class 3211 03 IP degree of protection IP64 NEMA degree of protection NEMA 1/2/3/3R/4/4X/6/12/13 Cap/operator or lens colour Without mushroom Type of operator Push-pull Operator position information 2 positions Size 30 mm