On aspect of the present invention, a strip type off-circuit tap changer includes an insulating rod and a support, where an operation positioning device is arranged on the support, a rack mobile frame is disposed on the insulating rod, the rack of the rack mobile frame is engaged to a drive gear of the operation positioning device, columnar fixed contacts are longitudinally arranged at a spacing on the insulating rod, the rack mobile frame is connected to a moving contact frame, and a moving contact assembly is arranged on the moving contact frame and fits with the fixed contacts on the insulating rod, the moving contact assembly is formed by an annular moving contact and an elastic pin, and the annular moving contact spans between two adjacent columnar fixed contacts.
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