Siemens 3WL9251-1AC21-1BA1

The Siemens catalog number 3WL9251-1AC21-1BA1 refers to accessories designed for the 3WL series switch, specifically the guide frame size I for 630-1000A, 3-pole configurations. This component features a rear horizontal connection setup that meets UL 489 certification standards. It includes two auxiliary connectors with screw terminals for secure wiring, along with three change-over contacts for reliable operation. Additionally, the device supports one-wire operation for testing and disconnection functions and is equipped with a two-part shutter that can be locked for safety. You can find this product available through BSP Automation, offering you dependable support for your industrial automation needs.
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