The ABB 1SNA645024R2100 is a high-performance opto coupler relay designed for efficient and reliable operation. This model, part of the OBOC 5000 series, operates on a 24VDC power supply, ensuring compatibility with a wide range of industrial applications. With dimensions of 0.25 inches in height, 2.7 inches in width, and 2.6 inches in depth, and a lightweight design at just 0.64 ounces, it is both compact and easy to install. Ideal for various electrical setups requiring precise voltage isolation and signal transfer, this relay is a robust choice for professionals seeking quality and durability in electrical components.