Exdbebiibt4 button box (axial flow fan)230 * 135 * 110 applicable range, applicable to explosive gas environment zone 1, Zone 2; applicable to flammable dust environment zone 21, zone 22; Suitable for IIA, IIB, IIC class explosive gas environment, suitable for temperature group T 1 ~ T 6 environment; Applicable to petroleum extraction, storage, chemical, pharmaceutical, textile, printing and dyeing, military and military facilities and other explosive hazardous environmental characteristics, EXDBEBIIBT4 button box (axial flow fan)230 * 135 * 110 product characteristics: 1. It is made of aluminum alloy, engineering plastics or stainless steel. 2. Built-in explosion-proof universal switch, explosion-proof button, explosion-proof ammeter, explosion-proof indicator lamp 3. The switch has more than 30 functions that users can choose from. 4. After optimization design, the universal switch control mechanism can be adjusted automatically to ensure the rotation of flexible, non-stuck phenomenon; 5. Ammeter range specified by the user: 6. Steel pipe or cable wiring; 7. Installation: vertical or hanging. Exdbebiibt4 button box (axial flow fan)230 * 135 * 110 main technical parameters? 1. Explosion-proof logo: EXDBEBIIBT42. Protection level: IP653. WF1, WF24. Rated voltage: 220V/380V 5. Rated current: 10A 6. Cable diameter: medium 12 mm ~ medium 17 mm 7. Inlet thread: g 1/2“G 3/4” g 18. Indicator code D; Button Code A; ammeter code B; conversion switch code K; Hanging Code G; vertical code L.