30 Amps Stainless Steel Safety Switch.Legrands 316-Grade Stainless Steel Safety Switches are designed to provide superior corrosion resistance in harsh environments like food and beverage processing plants where wash down/hose down at extreme temperatures is a daily necessity, as well as environments where salts, acids, and chemicals are prevalent. Legrands Stainless Steel Safety Switches with NEMA 4X/12, IP66, 67, and 69K ratings are the best solution for durability and personnel safety in any environment.