The B21-111 energy meter is a compact and advanced device designed for single-phase power measurement. It has a direct connection with a maximum current rating of 65A and operates at 230 VAC. The meter features an accuracy class of 1, ensuring precise measurements within the range of 220-240 V between neutral and line. With its backlit LCD display, the meter provides clear visibility even in low light conditions. It also offers a pulse output/IR port for convenient data transmission. The protection degree of IP20 ensures reliable performance in various environments. The B21-111 energy meter belongs to the sub-group Steel functionality, offering active energy measurement with Class 1 accuracy. Additionally, it supports pulse output/alarm functionality. This meter is designed to be mounted on a DIN rail and occupies two modules of space. Its compact design and versatile features make it an ideal choice for engineers seeking accurate and efficient energy measurement solutions.