Corrosion resistant captive stainless steel screws holds cover to body; The Labyrinth switch used in push buttons and selector switches, is rated A600 heavy pilot duty and P150
Standard:
UL 508, 698, 1203, 1604, ISA 12.12.01, CSA C22.2 No. 14-M, C22.2 No. 213-M, C22.2 No.25, C22.2 No. 30, C/US UL File Number E10449, E81751, Class I, Division 2, Groups B, C, D Zone 2; Class II, Division 1 And 2, Groups E, F, G; Class III