Flame-proof button switches ŁO-12,22,24 (500V, 6A)

Flame-proof button switch (component Ex) is destined for use in underground coal mines in excavations of methane explosion hazard class a, b, or c, or coal dust explosion hazard class A or B and zones 1 and/or 2 of explosion hazard group IIC or zones 21, 22 in presence of explosive atmospher – dust, hazard group IIIC. After use other type of explosion-proof enclosure can be used for control/steering installation rated voltage up to 500V (ŁO-12 – 250V DC, 380V AC)