WAGO 2001-1204 TOPJOB S feedthrough terminal block. Additional Description: WAGO-2001-1204 2CTB 1.5mm sid-ctr35x15-35x7.5 20011204 1.5 MM ; FOR EX E II AND EX I APPLICATIONS; SIDE AND CENTER MARKING; FOR DIN-RAIL 35 X 15 AND 35 X 7.5; PUSH-IN CAGE CLAMP ; 1,50 MM ; BLUE BLUE 20011204.