Описание

Function Frequency Relay
1- / 3-phase 1
Standard measuring range 5 ... 200 Hz
Measuring range max. 300 Hz
Output contacts 1 w
Operate delay +
Auxiliary voltage required +
Enclosure design Installationsverteiler
Width 35 mm
Type IL 9837
According to IEC/EN 60 255, DIN VDE 0435-303 Overfrequency or underfrequency monitoring of AC voltages Adjustable response value fmin. or fmax 5 ... 200 Hz or 15 ... 600 Hz Adjustable hysteresis Large voltage range of the measuring input (nominal voltageAC 24 ... 440 V) De-energized on trip LED indication for auxiliary voltage, measuring voltage and contactposition 1 changeover contact As option for frequency inverters with a range of 1 &hellip, 300 Hz 2 changeover contacts available on request As option adjustable start-up delay available Energized on trip function available on request Devices available in 2 enclosure versions:IL 9837: depth 58 mm, with terminals at the bottom forinstallation systems and industrial distributionsystems according to DIN 43 880SL 9837: depth 98 mm, with terminals at the top for cabinetswith mounting plate and cable duct 35 mm width''