Specification: 1) Construction: 840 x 350 x 1,600, 840 x 500 x 1,600, 840 x 750 x 1,600 Specification: 1) Construction: 840 x 350 x 1,600, 840 x 500 x 1,600, 840 x 750 x 1,600 2) Performance: high strength, corrosion resistant, moisture resistant, rational design of inner space 3) Material: a) Common steel sheet b) Imported aluminum-coated zinc sheet c) Custom 4) Selected switch: SF6 load switch ...