USED SIEMENS 6QN4000-0AD PC BOARD 6QN40000AD$195.00 Only 1 left in stock USED SIEMENS 6QN4000-0AD PC BOARD 6QN40000AD quantity Add to cart SKU: 193702123599 Category: Other Description Additional information Description USED SIEMENS 6QN4000-0AD PC BOARD1797/BF Additional information Weight 1.00 lbs MPN 6QN4000-0AD Brand SIEMENS We Buy New and Used Surplus Inventory - Sell to Us