So I have a very cheap digital temperature controller (would turn a chiller and heater on/off like for aquarium temperature control) that has these Longle FL-3FF-S-H/12VDC relays. Obvious counterfeit of the Songle brand, which is probably not the most legitimate brand of relay to begin with. Would a cheap, generic relay like these still be fairly reliable and dependable for many years? If not, what would be a good quality replacement given the model number? There are some approvals stamped on the relay, but I'm going to assume they are imaginary, at best.
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Well, we know cheap Chinese 400V capacitors for switching power supply are near worthless, I have replaced several in the last week which have seen minimal use to get some devices working, but what about relays? Do we a have experience with no name brand relays and what we can expect from them? Are they trash-worthy or do they hold up well regardless of their ridiculously low price?
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