The main elements of equipment all are re-designed again, consequently, compared with present handcart type switch cabinet and GG-1(A)F model switch cabinet, this product owns higher insulation and protection level. There is not any mode of isolation plate or insulated air of phase-to-phase and to-earth inside it, the secondary circuit doesn't adopt secondary plug (it means that the protective and controlled circuit are always at on state under any state of equipment). The product is used in 3-10kV single bus as well as single-bus with bypass system to demand of "five-prevention", and every index of product. This product meets the technique demand of GB3908 "3-35kV AC metal sealed switch" and IEC298.
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