Weidmueller CH-W-S-A22-S-A-ER

The CH-W-S-A22-S-A-ER is likely an industrial or electrical component. The "CH-W-S" refers to a product series, while "A22" could denote a specific model or configuration. "S-A" may indicate a particular feature or variant, and "ER" could suggest a specialized version, possibly related to enhanced ratings or specific features like environmental resistance or emergency readiness. Additional context on its function in a system would provide more clarity about its exact use.