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Current Collector 250A
Electric trains that collect their current from overhead lines use a device such as a pantograph, bow collector or trolley pole. It presses against the underside of the lowest overhead wire, the
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Seamless Trolley Line Current Collector 30a/60a/100a 3p/4p Crane 3-level 4-level Trolley Line Conductive Track Carbon Brush - Power Tool Accessories - AliExpress