Wago 57a insulated push in jumper bar for 2010 series wago 2010 434 wago 2010 434 2 way 1 4 57a insulated push in jumper bar for 2010 series colour light grey for wire sizes pack size 50 wago 2010 434 2 way 1 4 57a insulated push in jumper bar for 2010 series grey 50