Vamp

United Kingdom

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VAMP 150 is a cost-effective motor protection with all the basic protection functions. The relay is used to protect circuit breaker controlled three phase AC motors. Features The calculated motor temperature is based on the actual motor load. The temperature value, in percentage of trip limit, is available on the front panel display. The estimated remaining time, with constant load, to trip is shown to the user on the display. The relay is provided with one analogue output, mA-signal, for any measured or calculated value. Protection Thermal overload stage Three

overcurrent stages Two earth-fault stages One undercurrent stage Phase unbalance stage Current unbalance stage Frequent starts supervision Start-up supervision and stall protection Circuit breaker failure Trip circuit supervision Arc flash protection ( option ) Disturbance recorder
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