Questions tagged [contactor]

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1answer
281 views

Which relay will last the longest?

I'd like to control a 20 amp, 240 volt AC resistive load with a heavy duty contactor. The contactor I have is a Siemens 3TX7130-0DB03 rated for 30 amps, and DPDT. I was originally going to switch ...
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2answers
724 views

switching device for motor

This query is from my project on automatic motor switching of water tank. My question is that what should be the rating of switching device(relay or contactor) for single phase induction motor (2hp 8A ...
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2answers
512 views

Suggestions on how to control a 1000W DC motor

I would like to find out the best solution to safely control two 1000W DC brushed motors by using a atmega328p. In particular, the DC motors are rated: 1000W, 50A, 24V, 2400 RPM. I have a radio ...