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Concern about using the SSR 40 A A. (Solid State Relay 40Amps VAC signal input VAC load control)

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I am planning to use this relay to control 2 low wattage booster fans and an 115 vac power transformer with 24 vac output that feeds a circuit board, which in turn controls another low power booster fan. All combined total current is about 1.6 amps. My concern is the amount of voltage showing fed to the controlled load on the hot side when the input was turned off. The mock up test circuit controls a load of two lamps using an approximate .25 amps. Yet the load side shows about 51 vac fed to the load when the input is turned off. Is this normal? should I be concerned? Is it defective? I am contemplating just using a standard electromagnetic relay instead. What do you think is going on?

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5 сен 2024

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Комментарии : 3

@lmntrlmntr3496 3 года назад

Disclaimer: Building a sample mockup wiring described in the video is at your own risk and is only done to demonstrate clearly how the circuit works. Use of this video to engage in similar activities is at your own risk. You are Responsible for knowing your limitations of knowledge and experience. If you do any work with “main power” such as 120 or 240 VAC power wiring, you should consult a Licensed Electrician. I am not responsible for damage, injury or expense. It is your responsibility to make sure that your activities comply with applicable laws.

@PatricioMontoyaPEMO 2 года назад

I bougth 2 relais AA of 25 Amp, and have the same problem

@lmntrlmntr3496 2 года назад

I have already returned it so I don’t remember exactly what the labels say but I am certain that when you look at the load side, it gives you a working voltage range. Think about that for a moment. This type of relay will always let voltage through and it is really designed for circuits such as high power heating coils that when the relay "turns off” it will allow a smaller amount of voltage through that really is not enough to sustain the heat level in the heating coil and the coil will cool down and cycle. It is better to use a regular 110 v electromagnetic relay if you intend to use it on circuits that you need to shut off the voltage supply completely as in my case: A fan controller circuit. You do not want any low voltage going through in most cases so this electronic relay really has a very narrow usage in circuitry and thus useless for most applications.