Suitable for cold room and refrigerator applications (down to -20°C) Vandal resistant design. IP65 IK10Sturdy Steel Construction: The electrical enclosure is meticulously crafted from cold-rolled carbon steel made by precise cutting and welding. It has stronger wear resistance and keeps your equipment well protected in harsh environments. IP66 Waterproof Grade: The sealing strip of foam / Nylon has. High-powered LED bulkhead with CREE LED technology. The IEC has developed the ingress protection (IP). Understanding the IP65 Standard: What It Really Means The IP (Ingress Protection) code, governed by IEC 60529, defines a device's resistance to solids and liquids. The first digit, ranging from 0 to 6, denotes protection against solid particle ingress.