Concrete container transformer stations with inside workoing corridor MRw-b1(pp) 20/630 MRw-b2(pp) 20/630 MRw-b(pp) 20/630(1000)-3 MRw-b(pp) 20/630(1000)-4 MRw-b(pp) 20/2x630 Special version of MRw-b type substation
