Siemens 6FQ1554-1B

Siemens 6FQ1554-1B, also listed as AFU11-1/6FQ1554-1B, is a Siemens Iskamatic A AFU11-1B module. The designation places it within Siemens’ AFU11-1 family of Iskamatic A control modules and identifies it by model number 6FQ1554-1B. This specific unit is described in third-party listings as a used item, reflecting its current market status. As part of the Iskamatic A product line, it is associated with Siemens automation and drive-control portfolios, and buyers typically verify compatibility with their Siemens control architecture and confirm any firmware or interface requirements with the seller or Siemens support before integration. This description focuses on identifying the product and its place in Siemens’ Iskamatic A lineup; for exact electrical ratings, connector types, or enclosure data, please consult the official Siemens documentation or the listing provider for the precise configuration of this 6FQ1554-1B variant.