The NEMA 4X definition, as established by the National Electrical Manufacturers Association, is a rating for an outdoor electrical enclosure that has the following protective qualities:

Includes a gasket designed to protect against liquid and solid ingress;

  Suitable for indoor or outdoor use;

  Resistant to corrosion;

  Protects against water ingress from rain, sleet and snow;

  Protects against solid ingress from airborne dust, debris, fibers, dirt and other foreign objects;

  Protects against damage from ice forming on the outside of the enclosure.

The EP Cube is only compatible with EP Cube Battery module only, maximum 6 battery modules can be installed. Connection with battery modules from other brands is not supported.