In a drawout type switch gear, rotation of the lead screw is locked automatically at the connected position and {HEAD ~ the test position} of the drawout/push in unit , symbols or marks for representing these positions are provided on {TAIL ~ 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  
In a drawout type switch gear , rotation of the lead screw is locked automatically at the connected position and { HEAD ~ the test position } of the drawout / push in unit , symbols or marks for representing these positions are provided on { TAIL ~ 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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