Industrial control buttons LA53 proof control button has LA53-1 (a button), LA53-2 (two buttons), LA53-3 (three buttons), LA53-2A (two buttons with ammeter), LA53-3A (three buttons with ammeter ) which are the most common type, rated current of 3A, 220V DC voltage or AC 380V, proof mark ExedIIBT6, protection class IP55, corrosion level WF1, Inlet thread is standard G3 / 4, you can use cable diameter of 10-14mm. Which button explosion due to the weight of 0.55KG-3KG configure different and not like. The explosion-proof button quality stable, safe; in this solemn commitment to quality three-year replacement warranty. Industrial control buttons