Wago din rail terminal blocks spring cage 4252mm grey wago 2004 12111000 400 wago 2004 12111000 400 circuit 1 diode 2 conductor din rail mount terminal block colour grey for wire sizes awg 20 10 pack size 50 wago 2004 12111000 400 diode 2 conductor terminal block grey awg 20 10 50pk