Ex-Safety switch Standard for zone 1/21; Variant: 10A-3P-1NO; Current: 10 A; Number of poles: 3; Auxiliary contacts: 1x NO; Degree of protection: IP66; Protection class: I; Permissible ambient temperature: -20°C up to +40°C; Enclosure material: Polyamide; Enclosure color: Black; Cable entry: 2x M20 Cable gland (Plastic)