Historical information

Type of switch fitted to Melbourne W class trams for switching the line breaker on or off. This switch controls power to the line breaker activated by the tram controller. Had been fitted to the Restaurant tram No. 3 or Cuthberts 939. Was found to be defective - the power was available to the controller even when switched to the OFF position, that is, failed unsafe. Was replaced 4/11/2015 from a spare. Has the name of the manufacturer on the cover.


Demonstrates a switch that failed unsafe.

Physical description

Tramcar equipment - line breaker switch - fibre material box and cover containing electrical switch and 10Amp Cartridge fuse