“D” stands for single-pole, defaulted to dual-pole when no “D”

“S” stands for stainless steel hardware, and no “S” stands for hot-dip galvanized carbon steel hardware

“A” stands for standard mounting backplane and mounting bolt, and no “A” stands for no mounting backplane and mounting bolt equipped

“R” stands for silicon rubber insulator

“E” stands for epoxy resin insulator

“P” stands for porcelain insulator

Rated current: 630A, 1000A, 1250A

Rated voltage: 12kV

Design serial number: “101” stands for rated current of 630A

                              “103” stands for rated current of 1000A

                              “105” stands for rated current of 1250A

Product name: outdoor AC HV isolation switch