The Sonoff 211 is a set of DIN rail wire connectors designed for organized electrical installations in distribution boxes, control cabinets, and machinery. These terminal blocks support a rated voltage of 250V and a maximum current of 32A, making them suitable for a variety of power distribution tasks. They are compatible with solid wires ranging from 0.08 to 4.0mm² and flexible wires from 0.2 to 2.5mm², ensuring a secure fit for different cable types. Built for durability and safety, the connectors feature red copper or brass contacts housed in flame-retardant PA66 modified nylon. This construction provides 4KV shock resistance and protects against corrosion and aging over time. The design focuses on ease of use, utilizing orange lever clips that allow for tool-less installation, which simplifies the wiring process. These blocks are specifically sized for standard 35mm DIN rails. This 20-piece kit comes in a transparent storage box and includes 10 black and 10 grey terminal blocks for easy visual organization. To complete the setup, the set provides two connection bars, two digital identification tags, 20 screws, and two end stopper brackets, giving you everything needed to secure and label your connections within a switchgear or control panel.