3RH1921-1EA20 SIEMENS Auxiliary Contact Block in Pakistan BR6745 Description The auxiliary contact blocks are used for the operation of auxiliary circuits and control circuits for standard industrial environments. ... The auxiliary contact blocks are equipped with screw-type connecting terminals delivered open, protected against accidental direct contact, and bear the corresponding function marking. Specifications: Brand Name SIEMENS Item Weight 0.640 ounces Number of Items 1 Part Number 3RH1921-1EA20 UNSPSC Code 32000000 Package Includes: 1 x 3RH1921-1EA20 SIEMENS Auxiliary Contact Block