This op amp needs to be operated at a temperature of not less than -25°C degrees Celsius in order to function properly. You should not use op amp above 70°C degrees. The operating supply voltage of the buffer op amp is rated at -312V. It is recommended to keep the buffer amps resistance within the range of 50Ohm.
857-412 Features
Resistance of 50Ohm
857-412 Applications
There are a lot of WAGO 857-412 Instrumentational OP Amps applications.