IP RATINGS IP RATINGS Degree of protection to BS EN60529/DIN 0470 IP Ratings Guide Table II (2nd characteristic numeral) The IP classification system designates the degree of protection provided by an enclosure against solid objects or water ingress. Table I shows degrees of protection against solid objects, Table II shows degrees of protection against water. Degree of Protection against water IP x x Digit 0 Non-protected Table I Table II Table I (1st characteristic numeral) Degree of Protection against solid objects 1 Protected against dripping water. Digit 2.5mm 1.0mm 180 0 2 Non-protected Protected against dripping water when tilted up to 15º. 1 3 Protected against a solid object greater than 50mm, such as a hand. Protected against spraying water at an angle of up to 60º. 2 4 Protected against a solid object greater than 12.5mm, such as a finger. Protected against splashing water from any direction. 3 5 Protected against a solid object greater than 2.5mm, such as wire or a tool. Protected against jets of water from any direction. 4 6 Protected against a solid object greater than 1.0mm, such as wire or thin strips. Protected against heavy seas or powerful jets of water. Prevents ingress sufficient to cause harm. 5 7 Dust-protected. Prevents ingress of dust sufficient to cause harm. Protected against the effects of temporary immersion in water. 6 8 Dust tight. No ingress of dust. Protected against the effects of continuous immersion in water. www.bulgin.co.uk