Push Button Operator, 22 mm, Maintained Push / Maintained Pull, Type of Operator 40mm Mushroom Head, Basic Material Metal, Head Material Aluminum-Zinc Alloy, Bezel Material Chrome Die Cast Aluminum, Color Blue, NEMA Rating 1, 13, 2, 3, 4, 4X, IP Rating 66, Legend No Legend, Standards CE, CSA, EN/IEC 60947-1, EN/IEC 60947-5-1, RoHS, UL Head Material Aluminum-Zinc Alloy NEMA Rating 1, 13, 2, 3, 4, 4X Type of Operator 40mm Mushroom Head Color Blue Legend No Legend Number of Operators 1 Item Push Button operator Bezel Material Chrome Die Cast Aluminum Basic Material Metal Standards CE, CSA, EN/IEC 60947-1, EN/IEC 60947-5-1, RoHS, UL IP Rating 66 Product Type Push Button Operator Device Presentation basic element Mechanical Durability 300000 cycles Reset push-pull Protective Treatment TH Ip Degree Of Protection IP66 IEC 60529 || IP67 || IP69 || IP69K Head Type standard Shock Resistance 30 gn 18 ms) half sine wave acceleration IEC 60068-2-27 || 50 gn 11 ms) half sine wave acceleration IEC 60068-2-27 Electrical Composition Code C11 3 single front mounting || C15 1 single front mounting || C7 4 single front mounting || C8 4 single and double front mounting || C10 4 single and double front mounting Ambient Air Temperature For Operation -40-70°C Ambient Air Temperature For Storage -40-70°C Product Certifications CSA || BV || LROS (Lloyds register of shipping) || GL || DNV || UL Listed Vibration Resistance 5 gn 2-500 Hz)IEC 60068-2-6 Shape Of Signaling Unit Head round Product Or Component Type head for non-illuminated push-button Device Short Name ZB4 Overvoltage Category class I IEC 60536 Operator Profile blue mushroom Ø 40 mm, unmarked Nema Degree Of Protection NEMA 13 || NEMA 4X Ik Degree Of Protection IK06 IEC 50102