... sharp increase of resistivity characteristics. When the temperature rises, its resistance will also rise, reducing the heat generated .when the temperature ... . Working voltage: 12V,24V,36V,110V, 220V,230V,380V 5. Explosion-proof mark: ExeII T4 6. Output Power(at 10°C): 10w ... /m,20w/m,25w/m,35w/m,40w/m 7. Explosion-proof certification: Certificate No. CNEx05.1101X CJEx07.124U CNEx06.0205X 4 ...