The 221 Series from WAGO – Flexible, Fast and Safe

Pull the lever up, insert a conductor and push the lever back down – done! As tool-free, lever-actuated connectors, WAGO's 221 Series Splicing Connectors easily, quickly and safely connect solid, stranded and fine-stranded conductors ranging from 0.14 to 6 mm² (24–10 AWG).

They are available in various designs and variants. In addition, a large accessories portfolio is available, making WAGO's 221 Series Splicing Connectors great for a wide range of applications.

You can get an impression and overview of the following products here:


Product Overview

221 Series Splicing Connectors and Accessories

COMPACT Splicing Connectors with Levers, 221 Series

WAGO's 221 Series COMPACT Splicing Connectors connect all conductor types ranging from 0.14 to 6 mm2. Discover their sophisticated design, convenient usage, diverse variants and unbeatable advantages.

Inline Splicing Connector with Levers, 221 Series

WAGO's 221 Series Inline Splicing Connector connects all conductor types – at once. This connector condenses the industry-leading 221 Series Splicing Connectors’ advantages into a slim design. What's more, optional adapters provide completely modular mounting. Users get the flexibility of having five fixed-position poles in one adapter.

221 Series Splicing Connectors in Jars

The WAGO 221 Series Splicing Connectors can also be found in a jar that is fully recycled and refillable. The jar provides a packaging solution that is both convenient and environmentally beneficial. The jars are available in 4 mm2 and

6 mm2 variants, are clear, sturdy, compact, round and lightweight. 


Junction Box for 221 Series COMPACT Splicing Connectors

Things can get confusing wherever multiple cables meet. WAGO’s junction box helps you connect up to 60 conductors with WAGO’s 221 Series COMPACT Splicing Connector for all conductor types with cross-sections up to 4 mm2(12 AWG).


Gelbox – WAGO Gelbox; Moisture Protection for WAGO's Splicing Connectors

The WAGO Gelbox provides IPX8 levels of protection for WAGO's splicing connectors - quickly, easily and reliabily! It is now available in nine sizes and compatible with WAGO's 221 Series Splicing Connectors - Including the new Inline version.

Jumper – Get More Clamping Points on One Potential

WAGO's jumper increases the number of clamping points for the WAGO 221 Series COMPACT Splicing Connectors on one potential. It creates potential distributions with up to eight connection points in the DIN-rail adapter and is available in four variants: with or without a locking contact point lever, both available in blue or gray.


Mounting Carrier, 221 Series

The mounting carriers are ideal for distribution extensions with WAGO’s 221 Series COMPACT Splicing Connectors. The versions in dark gray/yellow and blue clearly distinguish the distributions of neutral and PE conductors in the control cabinet. The clear installation allows fast troubleshooting and maintenance.

The 221 Series for Ex Applications

WAGO's 221 Series COMPACT Splicing Connector for hazardous areas offers entirely new design possibilities, particularly for the manufacturers of distribution boxes, terminal boxes, lights or electronic devices.

The unbeatable benefits of the 221 Series Splicing Connectors

Also Available in Jars

WAGO 221 Series Splicing Connectors also available in a fully recycled and refillable jar allowing for a more convenient and beneficial packaging solution. The clear, strong, round and lightweight jars are available for both the 4 mm2 and 6 mm2 variants.


Two Sizes for All Conductor Types

Quickly and easily connect all conductor types of different cross sections using two-, three-, and five-wire terminal blocks. The new connectors accommodate fine-stranded conductors from 0.14 to 4 mm2, as well as solid and stranded conductors from 0.2 to 4 mm2 (24–12 AWG). With the 6 mm2 (10 AWG) variant, you can connect all conductor types – with cross sections from 0.5 to 6 mm2 (2−10 AWG).

Compact Splicing Connectors for solid, stranded and fine-stranded conductors for 12-24 AWG and 10-20 AWG

Extremely Easy to Use

You can open WAGO’s splicing connectors easily and quickly. Opening the levers on the 221 Series requires little effort. This means you can connect conductors quickly – and without any tools! While connecting the conductor, recessed handles on the sides ensure an easy, secure grip on the connector.

Compact Splicing Connectors 221 series lever-nuts easy to use with levers

Two Test Slots

With the new 221 Series Splicing Connectors, you can now test the voltage from both sides – even when installed. The connectors have two test slots right where the WAGO imprint appears: one in the conductor entry direction and one on the opposite side. This accessibility provides extremely convenient testing conditions, even after installation, within a wide range of applications. Every connector variant also provides a secure contact for all standard test probes.

Compac Splicing Connectors 221 Series Lever-Nuts with two test slots for voltage.

The 221 Series Conquers the Distribution Cabinet

Mounting carriers are available for every 221 Series Splicing Connector – whether it's the two-, three- or five-wire model. They can be mounted vertically or horizontally. Secure the carrier by snapping it onto the DIN-rail, or with screws on smooth surfaces. The flexible mounting clamps simplify both connector insertion and removal. Conductors can be conveniently connected and removed before or after inserting a connector into the carrier. One test slot is always accessible, ensuring compliance with VDE standards.

Compact Splicing Connectors 221 Series Lever-Nuts have available for snapping onto the DIN-rail or with screws

Application Examples and Laboratory Tests for the 221 Series

The 221 Series at Work and in the Laboratory

The 221 Series at Work and in the Laboratory

221 Series Splicing Connectors in Various Applications

Learn more

Electrical Interconnection Customer Applications

Connect Bollard Lights – Fast, Easy, Effortless!

In close partnership with the interconnection specialist WAGO, the lighting manufacturer BEGA has developed a new junction box that makes connecting lights significantly faster, easier and safer.


WAGO 221 Series Splicing Connectors Keep Things Cool Worldwide

If a small splicing connector is helping keep things cool, then the WAGO 221 must be behind it all. Their simple, ergonomic design and global approvals have convinced the American cooling technology manufacturer True Manufacturing to install them in their devices.


The 221 Series Splicing Connectors for
Ex Applications

221 Series Splicing Connector Products

Request Your Free Sample Now

Order 221 Series

221 Series at a location near you

Find a Wholesaler Now

Do you want to experience the advantages of the 221 Series Splicing Connector yourself? Always close to you, always helpful: Our wholesaler search will help you find the right preferred partner for your WAGO products and support.


This May Also Interest You


Installation Terminal Blocks and Connectors

Lighting Connectors

WAGO's lighting connectors are the perfect link between solid and fine-stranded conductors. Thanks to their approval as independent equipment per EN 60998, WAGO's lighting connectors can be used in nearly all household applications and similar building installations where a connection between solid and fine-stranded conductors is required.

Installation Terminal Blocks

PUSH WIRE® Connectors for Junction Boxes

Our product range supports a wide cross section range: The 243 Series MICRO PUSH WIRE® Connectors for Junction Boxes are specifically designed for small diameters (e.g., low-voltage installations). The 2273 Series connects solid conductors up to 2.5 mm2 (14 AWG), and the 773 Series up to 4/6 mm2 (12/10 AWG).