NEMA4 (National Electrical Manufacturers Association 4): outdoor or outdoor installation, dustproof, rainproof, splashing water, water pipe spray and external freezing and other damage.
NEMA4X (National Electrical Manufacturers Association 4X): Outdoor or outdoor installation, anti-corrosion, dust-proof, rain-proof, splash-proof water, water pipe spray and external freezing and other damage.
The two protection requirements include corrosion protection, but the protection levels are all IP56.
electric motor project, Electric Motor Replacement, electric motor store