방폭 조명: 스파크 장치가 있는 “nR” 유형 방폭 전기 장비의 온도 상승 요구 사항
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










