IP44 Coupler by onlinelectri | Oct 31, 2023 | Industrial Plug and Sockets IP44 Pin Coupler The socket protection degree is rated at IP44. 3,4, 5 and 4hr pin plugs are available for both 16A and 32A variant. The socket can be connected to corresponding IP44 plug. Download Specification 3 pin socket4 pin socket5 pin socket3 pin socket - 4hr