Wago 6mm 3 conductor terminal block awg 28 12 281 series wago 281 637999 950 wago 281 637999 950 6mm wide 3 conductor terminal block atex ex e ii colour green yellow for wire sizes awg 28 12 pack size 100 wago 281 637999 950 6mm 3 cond gnd t blk atex ex e ii grn yel awg 28 12 100pk