






WAGO
WAGO Green Range Connecting Terminal flexible up to 4mm² - 221-423 | Pack of 50
WAGO Green Range Connection Clamp with Lever – Series 221-423: Fast, safe, and now more sustainable
Even small changes can make a big difference – which is why the WAGO Series 221 connection clamp has been redesigned. The new Green Range variant is partly made from bio-circular and recycled plastics, thus contributing to the conservation of natural resources. Without compromising on quality and safety, it remains the proven solution for fast, safe, and flexible electrical installations.
With a rated voltage of 450V and a current carrying capacity of up to 32A, the clamp is ideal for various applications. Thanks to innovative CAGE CLAMP® technology, conductors can be connected without tools, without the need for pre-treatment or ferrules. The compact dimensions (18.8 x 8.4 x 18.6 mm) allow for space-saving installation, while the transparent housing ensures quick visual inspection. The clamps in this series have three conductors, i.e., three clamping points, and come in a pack of 50.
Your advantages at a glance:
- Fast & easy installation – tool-free connection with lever mechanism
- Universally applicable – for solid, stranded, and fine-stranded conductors (0.2 mm² to 4 mm²)
- Durable & safe – maintenance-free cage clamp technology for permanent connections
- Sustainable materials – contains recycled plastics (e.g., from PET bottles) and bio-based residues
- Conservation of fossil resources – through the recycling of existing materials
- Certified quality – identical performance to the classic Series 221
How does wiring with WAGO clamps work?
WAGO clamps are very small and compact. Due to their extremely small dimensions, they are ideal for tight spaces. This makes the clamps very convenient to install and also creates free space for potential expansions. Operation is intuitive, and connecting conductors is easy and quick. The levers can be opened and closed with minimal effort. Thanks to side grip recesses, the WAGO clamps remain firmly in hand in any situation. The procedure for connecting conductors is as follows:
- Strip the desired conductors
- Open the WAGO clamp with the lever
- Insert the conductors
- Close the lever
The transparent housing allows you to continuously check the conductor position. The contact point is gas-tight, ensuring a permanently secure contact between the conductor and the busbar. Two easily accessible test openings (one located in the direction of the conductor connection and the other on the opposite side) make testing conditions very comfortable even when installed. The application is suitable for ambient temperatures up to 85°C, and the maximum clamp temperature according to UL standard is 105°C. WAGO clamps have globally recognized approvals. If you wish to disconnect conductors, this is also easily possible. As with insertion, the lever is opened, and the cable is removed.
Application areas of WAGO clamps
Connecting cables is one of the most common tasks when connecting electronic devices in the home, outfitting a camper, or installing solar panels. Since WAGO clamps can connect both stranded and solid conductors, their applications are versatile. In addition, the clamps can be used with any cable cross-section, making them flexible and compatible with any application. Two application examples are connecting solar modules to charge controllers or connecting consumers to a battery.
With the Green Range, WAGO is committed to more sustainability in electrical installations without compromising on quality and performance.
We continuously evaluate this product according to our MI-Eco-Score criteria.
We continuously evaluate this product according to our MI-Eco-Score criteria.
We continuously evaluate this product according to our MI-Eco-Score criteria.
We continuously evaluate this product according to our MI-Eco-Score criteria.
We continuously evaluate this product according to our MI-Eco-Score criteria.
We continuously evaluate this product according to our MI-Eco-Score criteria.
We continuously evaluate this product according to our MI-Eco-Score criteria.
We continuously evaluate this product according to our MI-Eco-Score criteria.
We continuously evaluate this product according to our MI-Eco-Score criteria.
We continuously evaluate this product according to our MI-Eco-Score criteria.
We continuously evaluate this product according to our MI-Eco-Score criteria.
We continuously evaluate this product according to our MI-Eco-Score criteria.
We continuously evaluate this product according to our MI-Eco-Score criteria.
We continuously evaluate this product according to our MI-Eco-Score criteria.
We continuously evaluate this product according to our MI-Eco-Score criteria.
We continuously evaluate this product according to our MI-Eco-Score criteria.
We continuously evaluate this product according to our MI-Eco-Score criteria.
We continuously evaluate this product according to our MI-Eco-Score criteria.
We continuously evaluate this product according to our MI-Eco-Score criteria.
We continuously evaluate this product according to our MI-Eco-Score criteria.
We continuously evaluate this product according to our MI-Eco-Score criteria.
















