Wago 3 phase set high current terminal block awg 8 1 285 series wago 285 159 wago 285 159 20mm wide terminal block three phase set high current colour grey blue green yellow for wire sizes awg 8 1 pack size 1 wago 285 159 20mm t blk 3 phase set high current grey blue grn yel awg 8 1 1pk