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The Siemens 6SL series isn't a separate product family, but rather a unified identifier for the "order number prefix" within the SINAMICS drive platform. Components beginning with 6SL3xxx, 6SL2xxx, 6SL0xxx, etc., belong to the SINAMICS series, but are further subdivided into subsystems such as G120, S120, G130, G150, and GM150 based on power levels, mounting configurations, and functional roles. 6SL Three-Section Naming Convention

6SL 3210-1PE23-8UL0

│ │ │ │ │ └── Version/Accessory Code

│ │ │ │ └---- Power/Current Specification (23-8 ≈ 38 A)

│ │ │ └------ Input Voltage Level (1PE = 3AC 380-480 V)

│ │ └-------- Product Series (3210 = G120 PM240-2)

│ └---------- Family SINAMICS (3 = S120, 2 = G120, 0 = Common Accessories)

└------------ Fixed prefix for Siemens drive products