Available. The WAGO 857-400 is a versatile isolation amplifier designed to convert, amplify, filter, and electrically isolate analog standard signals. This device supports both current and voltage input and output signals, making it suitable for a wide range of industrial applications. It features zero and span adjustments, allowing for precise calibration across the entire measuring range. Configuration is facilitated via DIP switches, enabling easy customization to meet specific requirements. The 857-400 operates with a supply voltage of 24 VDC and has a compact design with a module width of 6 mm, making it ideal for installations where space is limited. Its robust construction ensures reliable performance in demanding environments, with an operating temperature range from -25°C to 70°C. This isolation amplifier is an essential component for applications requiring signal conditioning and electrical isolation, such as process control systems, automation, and measurement instrumentation.