Key ratings and integration note
The 6ED1052-2HB08-0BA1 is a Siemens LOGO! 8.3 basic unit without display, powered by 24 V DC (also accepts 24 V AC). It provides 8 digital inputs and 4 relay outputs. The relay outputs are rated 10 A with resistive loads and 3 A with inductive loads — sufficient for direct switching of small motors, contactors, and solenoid valves. External fusing is required per the spec (no internal short-circuit protection). The operating temperature range spans -40 to 70 °C, covering unheated outdoor enclosures or cold storage areas. The unit is 4 spacing units wide (71.5 mm) on 35 mm DIN rail, with a depth of 60 mm. Memory capacity is 400 blocks, function-specific. Built-in Ethernet supports integrated web server, data logging, user-defined web pages, and cloud connectivity in LOGO! Soft Comfort V8.3 or higher.
Lifecycle and compliance
The unit carries CE, UL, CSA, FM, and marine approvals. Radio interference suppression meets EN55011 Limit Class B for residential areas. Compliance documentation (declarations, certificates) is available per the respective marks.
Mounting and wiring
Mounts on 35 mm DIN rail, 4 spacing units wide (71.5 mm width, 90 mm height, 60 mm depth).