Wago 221-423 4mm² 3-Way Compact Lever Splicing Connector – Green (50 Full Box)

Product Overview

The Wago 221-423 3-Way Lever Splicing Connector offers a fast, safe and maintenance-free solution for joining electrical conductors across a wide range of applications. Part of WAGO’s highly regarded 221 Series, this compact connector is suitable for all copper conductor types up to 4mm², including solid, stranded and fine-stranded conductors.

Equipped with WAGO’s proven CAGE CLAMP® connection technology, the 221-423 enables reliable, tool-free wiring while ensuring long-term electrical stability. The transparent housing allows immediate visual inspection, helping installers confirm correct conductor placement with ease.

Key Features & Benefits

• 3-way lever-operated splicing connector
• Suitable for solid, stranded and fine-stranded copper conductors
• Supports conductor sizes from 0.2mm² to 4mm²
• CAGE CLAMP® technology for secure, vibration-resistant connections
• Wide, flat levers for easy tool-free operation
• Transparent housing for instant visual inspection
• Rated at 32A and 450V for high-load installations
• Compact design ideal for confined junction boxes
• Supplied as a full box of 50 connectors

Innovative Lever Design

WAGO’s 221 Series lever splicing connectors are renowned for their distinctive, flat-lever design. When closed, the levers sit flush within the connector body, allowing neat installation without snagging cables or enclosure edges. The wide lever profile ensures effortless operation without tools, even in tight working spaces.

The clear housing highlights WAGO’s robust internal engineering and allows installers to visually verify correct termination of solid, stranded and fine-stranded conductors. This blend of functionality and precision engineering reflects WAGO’s commitment to quality interconnection technology.

Green Range Sustainability

This connector is part of WAGO’s Green Range, developed with sustainability in mind. The housing is manufactured from 77% bio-circular polycarbonate, while the levers are produced using at least 27% post-consumer recycled PBT. The product is also suitable for specific Ex applications.

Electrical Ratings

• Rated current (IEC/EN): 32A
• Nominal voltage (IEC/EN 60664): 450V
• Rated impulse withstand voltage: 4kV
• Overvoltage category: III
• Pollution degree: 2–3
• UL rated voltage: 600V
• UL rated current: 20A

Connection Data

• Connection technology: CAGE CLAMP®
• Actuation type: Lever
• Number of clamping units: 3
• Wiring direction: Side-entry
• Strip length: 11mm
• Nominal cross-section: 4mm² (12 AWG)
• Solid conductor range: 0.2 – 4mm²
• Stranded conductor range: 0.2 – 4mm²
• Fine-stranded conductor range: 0.14 – 4mm²

Physical & Material Specifications

• Width: 18.8mm
• Height: 8.4mm
• Depth: 18.6mm
• Weight: 2.5g
• Housing material: Bio-circular polycarbonate (PC)
• Actuator material: Recycled PBT
• Housing colour: Transparent
• Actuator colour: Green
• Flammability rating: UL94 V2

Environmental Ratings

• Maximum ambient temperature: +85°C (T85)
• Continuous operating temperature: 105°C
• Temperature marking: EN 60998 T85