857-979 WAGO Industrial Automation Components

Wago 857-979 is an interface unit designed for supply and through module applications. It features push-in CAGE CLAMP spring connections for secure and efficient connectivity. This unit operates with a rated voltage of 33Vdc and does not specify a supply voltage in AC terms. It is designed to function within an ambient air temperature range for operation from -25°C to +70°C and has a storage temperature range from -40°C to +85°C. The degree of protection offered by the unit is IP20, indicating a basic level of protection against solid objects. It supports a control voltage in DC terms and utilizes a communication protocol that aligns with its design specifications. The rated impulse voltage stands at 33Vac, with a rated insulation voltage (Ui) of 6 mm. This unit is compatible with DIN-35 rail mounting, with dimensions specified as H94mm x W6mm x D97.8mm. It can accommodate a number of available modules within a humidity range of 5-95% RH, under conditions where no condensation is permissible.