Push Button Control Station Number of Operators 1 Size 22 mm Legend Emergency Stop Type of Operator 40mm Mushroom Head Action Twist-to-Release Contact Form 1NO Mechanical Interlock No NEMA Rating 1 13 2 3 4 4X Contact Rating 10A @ 600V AC 5A @ 24V DC NEMA Contact Rating Designation A600 IP Rating 66 Head Material Metal Enclosure Material Plastic Standards CCC CE CSA IEC-60947 Lloyd s Register RoHS UL VDE 0660