Wago din rail terminal block multi level 52mm green yellow 46 conductors wago 2002 3237 wago 2002 3237 pe triple deck 6 conductor ground din rail mount terminal block colour green yellow for wire sizes awg 22 12 pack size 50 wago 2002 3237 pe 3 deck 6 conductor ground t block grn ylw awg 22 12 50pk