New Siemens 3TH4031-0BB4 Control Relay 3TH40310BB4$55.00 Only 1 left in stock New Siemens 3TH4031-0BB4 Control Relay 3TH40310BB4 quantity Add to cart SKU: 350749993619 Categories: Other, Relays Description Additional information Description New Siemens 3TH4031-0BB4 Control Relay 3TH40310BB4 11-491 rb Additional information Weight 1 lbs We Buy New and Used Surplus Inventory - Sell to Us