Lumière antidéflagrante : Les exigences en matière d'élévation de température pour les équipements électriques antidéflagrants de type “nR” avec des dispositifs à étincelles.
Devices that produce sparks under normal operating conditions specifically refer to equipment that generates arcs and sparks under normal operating conditions. Their electrical clearances and creepage distances comply with industrial safety standards, ensuring reliable insulation distances. For instance, switches, relays, and contactors without explosion-proof protection measures. When such electrical equipment is applied in Zone 2










