WAGO is a global leader in electrical interconnection and automation solutions, widely known for its innovative screwless CAGE CLAMP® technology and the versatile 221 Series splicing connectors.
WAGO is a pioneering manufacturer of components for electrical connection and electronic automation technology. Founded in 1951, the company revolutionized the industry with the introduction of screwless spring-clamp technology, known as GAIOLA CLAMP®, which ensures safe, maintenance-free, and vibration-proof connections. WAGO's product portfolio spans from simple rail-mount terminal blocks and splicing connectors to complex automation systems and interface modules used in industrial, automotive, and building applications.
Among its most recognizable products is the WAGO 221 Series of lever-nuts, which allows for the quick and secure connection of solid, stranded, and fine-stranded conductors without tools. The company also produces a wide range of industrial switches, I/O systems, and power supplies designed to withstand harsh environments while improving operational efficiency. WAGO continues to drive innovation in smart building management, energy engineering, and digital manufacturing processes worldwide.
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To use the WAGO 221 Series, simply pull the orange lever up to open the clamping unit, insert the stripped conductor (stripped to approximately 11 mm), and push the lever back down until it is flush with the housing.
WAGO 221 connectors accommodate solid, stranded, and fine-stranded copper conductors ranging from 0.14 to 4 mm² (24–12 AWG).
The WAGO 221-412 is rated for 450 V / 32 A under EN 60664 standards and 600 V / 20 A under UL 486C standards.
Refer to the specific manual for your Lean Managed Switch (e.g., release IX4). Generally, advanced security features require administrative configuration via the Command Line Interface (CLI) or Web-Based Management (WBM).