Imitation Rittal PS cabinet and ES cabinet what is the difference between

PS cabinets: frame with nine folding profiles, side panels can be removed, the back door can be done single door, double door or back panel

ES cabinets: frame four folding profiles (bending design of the one-piece), the side panels are not removable, the back door can be done single door, double door or back panel

Customers who require the cabinet sealing, it is recommended that the ES cabinets, because the side panels of the PS cabinets are removable, so the sealing is not as good as the ES cabinets sealing. sealing is not as good as the ES cabinet.