Wago 221-420 4mm² 10-Way Compact Splicing Connector - Transparent (15 Full Box)

Product Overview

The Wago 221-420 4mm² 10-Way Compact Splicing Connector is the professional’s choice for fast, secure, and maintenance-free electrical connections. Designed with lever-operated CAGE CLAMP® technology, these connectors allow for simple tool-free wiring of solid, stranded, and fine-stranded copper conductors up to 4mm².

Each box contains 15 connectors, ideal for larger installations or frequent use on-site. The transparent housing allows for visual inspection of each connection, ensuring a secure fit and reliable performance every time. Rated for up to 450V / 32A (IEC) and 600V / 20A (UL), these connectors are suitable for both domestic and commercial electrical projects.

Your Benefits

• Effortless Tool-Free Wiring: Lift the lever, insert the conductor, and close — for quick and safe connections.
• Universal Conductor Compatibility: Suitable for solid, stranded, and fine-stranded wires from 0.14–4mm² (24–12 AWG).
• Compact 10-Way Design: Securely connects up to 10 conductors within a single housing.
• Transparent Casing: Enables easy visual inspection of connections.
• High Current Handling: Supports up to 32A for devices with higher power requirements.
• Time-Saving Design: Reduces installation time for electricians and panel builders.
• Safe for Long Cable Runs: Ideal for higher load applications with larger conductor sizes.
• Mounting Carrier Compatibility: Can be used with standard or custom carriers for fixed installations.
• Heat Resistant: Operates safely up to +85°C (T85).

Technical Specifications

Electrical Data (IEC/EN)

• Standard: EN 60664
• Nominal Voltage: 450V
• Impulse Withstand Voltage: 4kV
• Rated Current: 32A
• Category: Overvoltage Category II / Pollution Degree 2

Electrical Data (UL)

• Approval: UL 486C
• Rated Voltage (Use Group C): 600V
• Rated Current (Use Group C): 20A

Connection Data

• Total Connection Points: 10
• Total Potentials: 1
• Connection Technology: CAGE CLAMP® with lever actuation
• Conductor Material: Copper
• Nominal Cross-Section: 4mm² / 12 AWG
• Solid Conductors: 0.2–4mm² / 24–12 AWG
• Stranded Conductors: 0.2–4mm² / 24–12 AWG
• Fine-Stranded Conductors: 0.14–4mm² / 24–12 AWG
• Strip Length: 11mm (0.43 inches)
• Wiring Direction: Side-entry

Physical Data

• Width: 29.8mm
• Height: 15.8mm
• Depth: 18.3mm
• Weight (Each): 7g

Material & Build

• Housing Material: Polycarbonate (PC)
• Colour: Transparent with orange levers
• Material Group: IIIa
• Flammability Rating: UL94 V2
• Fire Load: 0.132 MJ

Environmental Data

• Operating Temperature: +85°C maximum
• Temperature Classification: T85 (per EN 60998)

Applications

The Wago 221-420 4mm² 10-Way Compact Splicing Connector (Box of 15) is ideal for lighting circuits, power distribution, control panels, and junction boxes. Its reusable design and compact form factor make it perfect for electricians, maintenance engineers, and installers who require fast, reliable, and clean electrical connections on-site.