Quote:
Originally Posted by scottyb
This cart has 5 36v solenoid speed switches. They are all designed and rated for 36v Not 48v..... I don't think it is safe to run these old solenoids on 48v? What is going to happen IF a solenoid melts in the closed position and letting your foot off the gas no longer slows the cart? If this happens as it can, the driver cannot shut the cart off or slow it down ........ Maybe I'm too cautious? But it could happen
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You are quite correct about these not being rated for 48v and could fail. Reports that I have read is that no one has had any real problems with this.
There is actually less chance of a solenoid sticking in the on position at 48v than 36v.
You are not creating any more amperage per se in the solenoid, for a given wattage, the voltage is up by 33% and the amperage actually drops by 33%. If a solenoid were to fail, it would be the actuating coil that would burn out and the solenoid would drop out of the circuit and the cart would stop.