Industrial - Explosion Proof Battery Units Download Complete Section Hazardous Location Definitions EC, E12CN, EN, E12N Series EXP6N, EXP12N Series X402 Series EPF401 Series Severe XVHZ Series - Class I Div 2 (NEW) Severe XVH Series - Class I Div 2 (NEW) EL, E12L Series Severe ELF651 Series - Class I Div 2 (NEW) Severe ELF647C Series - Class I Div 2