SIEMENS Auxiliary Switch Block 3RH1921-1EA02 by Siemens Save Liquid error (snippets/product-badge line 32): Computation results in '-Infinity'% $17.00 18 IN STOCK 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart SIEMENS Auxiliary Switch Block 3RH1921-1EA02 Side Block; 2NC