APPLICATION AREA: Zone 1, 2, 21, and 22, Groups IIA, IIB, IIC, IIIA, IIIB, and IIIC; Division 1 and 2, Class I Groups B, C, D, Class II Groups E, F, G, and Class III.
TYPE OF PROTECTION: Ex d (flameproof); Ex tb (protection by enclosure against dust ignition).