BUTTON HANDLE CHANGE-OVER SWITCH MICROPLATE INCREASED MICROPLATE VOLTAGE MEASUREMENT SWITCH VOLTAGE|CURRENT MEASUREMENT SWITCH THREEPHASE MOTOR START-STOP SWITCH HIGH-CURRENT SWITCH INDICATOR LIGHT CONTROL BUTTON CASE POWER PLANT EMERGENCY BUTTON CASE ONE-HOLE PUSHBUTTON BOX SCRAM BUTTON CASE INSTANTANEOUS RELEASE BUTTON BUTTON CASE SELF-LOCKING BUTTON BUTTON CASE TWO-HOLE PUSHBUTTON BOX TWO INSTANTANEOUS RELEASE BUTTON BUTTON CASE ONE BUTTON ONE CHANGEOVER BUTTON CASE ONE BUTTON ONE KNOB BUTTON CASE BUTTON CASE WITH CHANGEOVER AND AMMETER THREE-HOLE PUSHBUTTON BOX BUTTON CASE WITH CHANGEOVER AND VOLTMETER