Description: Product Name: Explosion-proof button; Opening size: 30mm Rated voltage: 250V 110V 24V; Rated current: 16A 10A 0.5A 1A Working environment temperature: -50 ° C ~ 60 ° C; Head protection rating: IP67; Operating temperature: -60~55( °C); Mechanical life: 2000000 (times)Panel thickness: 1-6 (mm); 3C rated voltage range: 36V and below; Reset mode?automatic reset; Head protection rating IP67; Impact resistance: IK08 Applicable to: oil exploration, refining, chemical, and other flammable gas environments. Specification: Size: Approx. 4.5x3x8.5cm/ 1.8x1.2x3.3inch Package Includes: 1 Piece Explosion proof Button Switch