Waterproof performance of Fromwinch electric winches for 4x4 from waterproof standards. International Industrial Standards Waterproof IP and Japanese Industrial Standards Waterproof JIS is very close and has the following ratings:
0 No protection
1 Anti-drip I-type Vertical drop of water droplets without harmful effects
2 Anti-drip Type II does not adversely affect water droplets falling in the 15 "vertical direction
3 rain type and vertical direction within 60 degrees within the rain without harmful effects
4 splash-type by any direction of the water splash without harmful effects
5 Ejector-type Arbitrary direction directly affected by water spray without harmful effects
6 Water-resistant type Any direction directly by the water jet will not enter the internal
7 Anti-soaking type Under the specified conditions even if immersed in water will not enter the interior
8 medium-sized submerged in a certain pressure of water for a long time can still use
9 Moisture-proof type It can be used as moisture under 90% relative humidity