Wago insulated jumper bars grey 2 pole 18a series 2001 wago 2001 406020 000 wago 2001 406020 000 6 way 1 23 45 6 insulated delta point jumper 2001 series colour light grey pack size 100 wago 2001 406020 000 6 way 1 23 45 6 insul delta pt 2001 srs grey 100pk