Explosion-proof operation column I. Scope 1. explosive gas atmospheres dangerous places: Zone 1, Zone 2; 2. Flammable gas, steam class: ⅡA, ⅡB, ⅡC; 3. Temperature classes: T1 ~ T5; 4. Indoor outdoor (IP54, according to user requirements to reach IP65). 5, widely used in oil exploration, refining, chemical, pharmaceutical, military, and other hazardous environments and offshore oil platform, oil tankers and other places. Second, the technical parameters: 1, the proof mark: ExdIIBT6, DIPA21TA, T6 2, Rated voltage: 220V / 380V 3, Rated current: 10A 4, protection class: IP55 5, Inlet thread: G3 / 4 6, cable diameter : Suitable diameter 10mm ~ 14mm 7, using the category: AC-1, AC-3 shell is made of aluminum die-casting, surface electrostatic spray; built-in built-universal switch, button, ammeter (installed according to customer requirements other tables), lights etc; terminals increased safety terminal, improve product safety; universal switch has 30 functions freely chosen by the user, can be customized according to customer requirements; proof in the form of adoption, reliable explosion-proof performance, also apply to dust Explosion area. Ordering Information 1, in the selection according to the total units and sub-units of meaning, marked buttons, meters, illuminated buttons, lights, switches, their quantity, specifications and installation products, etc., detailing the required product models; 2, total unit indicate the desired button, meter, illuminated buttons, lights, switches quantity, product installation, cable entry; 3, sub-units specify in detail button, meter, illuminated pushbutton, LEDs, switches their parameters, such as the number, size, voltage, etc.; 4, if no special wiring requirements, press the red button to normally closed leads, green or yellow button normally open leads, if different wiring requirements, Please provide schematics