In a drawout type switch gear, rotation of the lead screw is locked automatically at the connected position and the test position of the drawout/push in unit , symbols or {HEAD ~ marks} for representing {TAIL ~ these positions} are provided on an indicator plate , which is driven laterally behind the front panel of the circuit breaker by a cam rod type motion direction transforming link and is arranged to be visible through display windows provided on the front panel  
for representing
In a drawout type switch gear , rotation of the lead screw is locked automatically at the connected position and the test position of the drawout / push in unit , symbols or { HEAD ~ marks } for representing { TAIL ~ these positions } are provided on an indicator plate , which is driven laterally behind the front panel of the circuit breaker by a cam rod type motion direction transforming link and is arranged to be visible through display windows provided on the front panel
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