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Electronic Voltage Monitor Kiepe ESW 101

The electronic voltage monitoring device Kiepe ESW 101 is designed to monitor DC 24 V on rail vehicles. The voltage monitoring device works fully electronically with output relays and can serve as an overvoltage or undervoltage detector.

As an undervoltage detector the relay switches on if the power supply exceeds the upper switching point for approx. 160 ms. If the power supply remains below the lower switching point for more than 20 ms, the relay drops out.
As an overvoltage detector the relay switches on if the power supply exceeds the value of 15 V for approx. 160 ms. If the power supply exceeds the upper switching point for more than 20 ms, the relay drops out.
The operating mode is set by a switch on the front of the unit and the switching points are set with lateral rotary coding switches. A red LED on the front of the unit indicates if the setting is incorrect and a green LED shows the control state of the relay.