Input type: Analog
Output type: Switching relay, digital
Signal shaper type: Limit switch
Input range: -0 to 10 V, 0 to 30 V, -20 to 20 mA
Output range: 250 V AC
Supply voltage: 24 V DC
Mounting type: DIN rail
Sensor compatibility: Transmitter
Operating temperature min: -25°C
Operating temperature max: +70°C
Operating temperature range: -25 to +70 °C

857 Series limit switches. The 857 Series JUMPFLEX limit switches from Wago are designed for monitoring standard analog signals and reporting signals that exceed a preset threshold. Features and benefits include a PC configuration interface, digital switching output, changeover contact relay output, calibrated scale switching, and threshold configuration via DIP switches along with a teach-in function using push/slide switches. It offers safe 3-pole isolation with a 4 kV test voltage according to EN 61140.