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Compact Splicing Connectors 221 Series Lever-Nuts for connecting different conductor types

The 221 Series Lever-Nuts®

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 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.

Product Family Overview

Effortless Reliability in a Compact Form

221 Series Lever-Nuts®

The 221 Series Lever-Nuts® splicing connector sets new standards with its compact, user-friendly design for 24-10 AWG conductors. It offers quick, reliable connections for solid, stranded, and flexible wires, with a transparent housing for easy inspection and a low-effort lever operation.

Innovating for a Sustainable Future

Green Range 221

Introducing the WAGO Green Range Splicing Connector with Levers: a sustainable evolution of our 221 Series. Crafted from partially bio-circular and recycled plastics, this connector supports environmental impact by extending resource life and promoting eco-friendly practices right from the start.

Slim Design, Trusted 221 Series Performance

221 Series Lever-Nuts® Inline

Introducing the 221 Series Inline Splicing Connector with Levers: a slimmed-down version of our trusted 221 Series. This connector ensures simplicity, speed, and reliability with tool-free lever technology for solid, stranded, and fine-stranded conductors (12-20 AWG). Its compact design fits tight spaces, and options include fixed-position or multi-pole installation with an adapter.

Connection Solutions for Hazardous Areas

221 Series Lever-Nuts®

WAGO's 221 Series 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

Two Sizes for All Conductor Types

Quickly and easily connect all conductor types of different cross sections using two-, three-, and five-wire Connectors. The 221 Series Connectors accommodate Solid, Stranded and Fine-stranded conductors in two variants from 12-24AWG and 10-20AWG.

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.

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.

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.

Compatible Accessories

For 221 and 222 Series

Mounting Carrier

The mounting carriers are ideal for distribution extensions with WAGO’s 221 Series 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.

Get More Clamping Points on One Potential

Jumper

WAGO's jumper increases the number of clamping points for the WAGO 221 Series 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.

For 221 Series Compact Splicing Connectors

Junction Box

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

Protect Connectors from Moisture

Gelbox

When moisture meets electricity, a short circuit can happen quickly. Encapsulation is a proven solution. But now reliable moisture protection for splicing connectors can be achieved even more quickly and easily with the WAGO Gelbox. It is ready for immediate use in a wide range of low- and extra-low voltage applications.

Application Examples and Laboratory Tests

The 221 Series at Work and in the Laboratory

221 Product Video

2:19

Salt Spray Test

0:41

Vibration Test

0:39

Wire Lighting with the WAGO 221 Series Splicing Connector

0:33

Connect Ceiling Loudspeakers with the WAGO 221 Series Splicing Connector

Extend Small Distribution Boxes with the WAGO 221 Series Splicing Connector

0:42

Product Highlights

Item no.: 221-412

COMPACT splicing connector ; 2-conductor ; with operating levers ; 12 AWG ; ...

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Item no.: 221-413

COMPACT splicing connector ; 3-conductor ; with operating levers ; 12 AWG ; ...

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Item no.: 221-415

COMPACT splicing connector ; 5-conductor ; with operating levers ; 12 AWG ; ...

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Item no.: 887-913

Splicing Connector Set ; L-BOXX® 102 ; 221, 2273, 773, 224, 243 Series

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Item no.: 887-952

Splicing Connector Set ; L-BOXX® Mini ; 221 Series

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Item no.: 221-612

COMPACT splicing connector ; 2-conductor ; with operating levers ; 10 AWG ; ...

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Item no.: 221-613

COMPACT splicing connector ; 3-conductor ; with operating levers ; 10 AWG ; ...

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Item no.: 221-615

COMPACT splicing connector ; 5-conductor ; with operating levers ; 10 AWG ; ...

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Item no.: 222-510

Angled DIN-rail adapter ; for 221-500 or 222-500 mounting carrier ; gray

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Item no.: 221-500/000-006

Mounting carrier ; 221 series (24 - 12 AWG) ; for DIN-35 rail/panel mount ; blue

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Item no.: 221-500/000-053

Mounting carrier ; 221 series (24 - 12 AWG) ; for DIN-35 rail/panel mount ; dark ...

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Item no.: 221-510

Mounting carrier ; 221 series (20 - 10 AWG) ; for DIN-35 rail/panel mount ; orange

{ "id": "221-510", "name": "221-510", "nameEn": "221-510", "listPosition": "12", "listType": "product-slider" }

Item no.: 221-510/000-006

Mounting carrier ; 221 series (20 - 10 AWG) ; for DIN-35 rail/panel mount ; blue

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Item no.: 221-510/000-053

Mounting carrier ; 221 series (20 - 10 AWG) ; for DIN-35 rail/panel mount ; dark ...

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Item no.: 221-2401

Inline splicing connector with lever ; for all conductor types ; 12 AWG (max.) ; ...

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Item no.: 221-2411

Inline splicing connector with levers ; for all conductor types ; max. 4 mm² ; ...

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Item no.: 207-1331

Gelbox ; Branch ; for cables ; with gel ; 221, 2x73 Series ; max. 4 mm² connectors ; ...

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Item no.: 207-1332

Gelbox ; Branch ; for cables ; with gel ; 221, 2x73 Series ; max. 4 mm² connectors ; ...

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Item no.: 207-1333

Gelbox ; Branch ; for cables ; with gel ; 221, 2x73 Series ; max. 4 mm² connectors ; ...

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Item no.: 207-1433

Gelbox ; Branch ; for cables ; with gel ; 221 Series ; max. 6 mm² connectors ; without ...

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Item no.: 207-1432

Gelbox ; Branch ; for cables ; with gel ; 221 Series ; max. 6 mm² connectors ; without ...

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Item no.: 207-1431

Gelbox ; Branch ; for cables ; with gel ; 221 Series ; max. 6 mm² connectors ; without ...

{ "id": "207-1431", "name": "207-1431", "nameEn": "207-1431", "listPosition": "22", "listType": "product-slider" }

Item no.: 221-942

Jumper ; for conductor entry ; 2-way ; insulated ; dark gray

{ "id": "221-942", "name": "221-942", "nameEn": "221-942", "listPosition": "23", "listType": "product-slider" }

Item no.: 221-941/000-006

Jumper ; for conductor entry ; 2-way ; insulated ; blue

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Item no.: 221-941

Jumper ; for conductor entry ; 2-way ; insulated ; dark gray

{ "id": "221-941", "name": "221-941", "nameEn": "221-941", "listPosition": "25", "listType": "product-slider" }

Item no.: 221-942/000-006

Jumper ; for conductor entry ; 2-way ; insulated ; blue

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Item no.: 207-4301

Junction box ; Branch ; for multicore cables ; 221 Series ; max. 4 mm² connectors ; ...

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Item no.: 221-482

COMPACT splicing connector ; 2-conductor ; with operating levers ; transparent ...

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Item no.: 221-483

COMPACT splicing connector ; 3-conductor ; with operating levers ; transparent ...

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Item no.: 221-485

COMPACT splicing connector ; 5-conductor ; with operating levers ; transparent ...

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Item no.: 221-685

COMPACT splicing connector ; 5-conductor ; with operating levers ; transparent ...

{ "id": "221-685", "name": "221-685", "nameEn": "221-685", "listPosition": "31", "listType": "product-slider" }

Item no.: 221-682

COMPACT splicing connector ; 2-conductor ; with operating levers ; transparent ...

{ "id": "221-682", "name": "221-682", "nameEn": "221-682", "listPosition": "32", "listType": "product-slider" }

Item no.: 221-683

COMPACT splicing connector ; 3-conductor ; with operating levers ; transparent ...

{ "id": "221-683", "name": "221-683", "nameEn": "221-683", "listPosition": "33", "listType": "product-slider" }

Order your free 221 Series sample

Where to Buy

Find Your Local WAGO Distributor

You can order WAGO products from electrical wholesalers and our authorized distributors. You have access to the entire WAGO product offering and can also experience first-class guidance and problem-solving expertise. This helps you find the products that best meet your needs.

Your Contact

Customer Service

Learn more about WAGO within the industry here:

More for You

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887 Series L-BOXX®

Three tiers of proven WAGO splicing connectors for different conductor types and a broad range cross sections prepare you for practically any task.

Splicing connectors remain properly sorted, ready and waiting at the right place when you need them
Conveinent storage
The space-saving case is easy to store when the job is done