SIEMENS Auxiliary Switch Block 3RH2911-1FA22 by Siemens Save Liquid error (product-badge line 32): -Infinity% $20.00 5 IN STOCK 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart SIEMENS Auxiliary Switch Block 3RH2911-1FA22 2NO+2NC Fits with Contactor 3RH21, 3RH24