857-401 WAGO Signal Relays

Wago 857-401 is an amplifier designed for sensor applications, featuring a single-channel isolation amplifier with clipping functionality. It operates on a supply voltage range of 16.8-26.4Vdc, with a nominal 24Vdc, and does not require an AC supply voltage. The device offers push-in CAGE CLAMP spring connections for easy installation and utilizes a DIP switch and software/app interface for configuration. It is designed to operate within an ambient air temperature range of -25°C to +70°C and has a storage temperature range of -40°C to +85°C. The 857-401 is protected to an IP20 degree and supports a communication protocol of the same designation. It has a rated insulation voltage of 6 mm and is suitable for mounting on a DIN-35 rail. The response time of the device is tailored for applications requiring speed, with a configurable wavelength of 100Hz / 5kHz via DIP switch or software. It features mechanical resistance with 1 x analog input and offers a maximum continuous operating voltage for 1 x analog output across various ranges. The device ensures a transmission error of ≤ 0.1% and a temperature coefficient of ≤ 0.01%/K, operating efficiently within a relative humidity range of 5-95% without condensation.