WAGO 221-423 3-Conductor Compact Splicing Connector, 4 mm², Transparent

The WAGO 221-423 is a compact 3-conductor splicing connector from the Green Range series, designed for fast and reliable wire connections without tools. With a transparent housing and orange lever, it allows easy visual inspection of the connection. The connector accepts solid, stranded, and fine-stranded conductors up to 4 mm² (12 AWG) and is rated for 450 V and 32 A. Its bio-based polycarbonate housing reduces environmental impact while maintaining high performance.

Advantages

Tool-free lever actuation enables quick and secure connections. The transparent housing provides clear visibility of conductor insertion depth and connection quality. Compact design saves space in junction boxes and control cabinets. Made from bio-based polycarbonate, supporting sustainability goals. Suitable for a wide range of conductor types and sizes.

Suitable for

• Lighting and luminaire connections
• Junction boxes and distribution boards
• Control cabinet wiring
• Industrial automation and building installations
• Repair and maintenance tasks

Key specifications

• Product Series: WAGO 221 Series
• Number of Conductors: 3
• Max. Conductor Cross-Section (Solid/Stranded): 4 mm² (12 AWG)
• Min. Conductor Cross-Section (Solid/Stranded): 0.2 mm² (24 AWG)
• Max. Conductor Cross-Section (Fine-Stranded): 4 mm² (12 AWG)
• Min. Conductor Cross-Section (Fine-Stranded): 0.14 mm² (24 AWG)
• Connection Technology: CAGE CLAMP®
• Actuation Type: Lever
• Nominal Voltage (EN): 450 V
• Nominal Current (EN): 32 A
• Rated Surge Voltage: 4 kV
• Insulation Material: Bio-based Polycarbonate (PC)
• Housing Color: Transparent
• Lever Color: Orange
• Operating Temperature: -20 to +85 °C
• Strip Length: 11 mm / 0.43 inch

Recommendations

For optimal performance, ensure conductors are stripped to the correct length (11 mm) and fully inserted before closing the lever. The connector is suitable for solid, stranded, and fine-stranded wires. Do not exceed the rated voltage and current.