Wago 221-425 4mm² 5-Way Compact Lever Splicing Connector – Green (25 Full Box)

Product Overview

The Wago 221-425 5-Way Lever Splicing Connector is designed to deliver fast, secure and fault-free electrical connections in both domestic and commercial installations. As part of WAGO’s trusted 221 Series, this compact connector accommodates all copper conductor types up to 4mm², including solid, stranded and fine-stranded conductors.

Utilising WAGO’s proven CAGE CLAMP® connection technology, the 221-425 ensures consistent contact pressure and long-term reliability without the need for tools or conductor preparation. The transparent housing allows installers to instantly verify correct termination.

Key Features & Benefits

• 5-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 effortless tool-free operation
• Transparent housing for immediate visual inspection
• Rated at 32A and 450V for high-load electrical applications
• Compact profile ideal for junction boxes and enclosures
• Supplied as a full box of 25 connectors

Innovative Lever Design

WAGO’s 221 Series connectors feature a distinctive flat-lever design that sits flush within the connector body when closed. This allows neat installation in confined spaces without snagging cables or enclosure edges. The wide lever shape ensures smooth, tool-free operation, even when multiple conductors are terminated.

The clear housing showcases WAGO’s precision-engineered internal components and enables quick confirmation of correct conductor seating, delivering both functional and aesthetic excellence synonymous with WAGO interconnection technology.

Green Range Sustainability

This product belongs to WAGO’s Green Range, supporting more sustainable electrical installations. The housing is manufactured from 77% bio-circular polycarbonate, while the levers are produced from at least 27% post-consumer recycled PBT. The connector 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: 5
• 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: 30mm
• Height: 8.4mm
• Depth: 18.6mm
• Weight: 4.1g
• 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