Kiz Posted December 22, 2008 Report Share Posted December 22, 2008 This is my spa specs I am making sure my garage, which does have 240 service, also has enough amps. Quote Link to comment Share on other sites More sharing options...
Roger Posted December 22, 2008 Report Share Posted December 22, 2008 This is my spa specs I am making sure my garage, which does have 240 service, also has enough amps. Well lets see, and someone can put better numbers to this but, 2-2.5 HP motor and a 5.5KW heater. And I am also speculating on the true HP of the motor but I think about half the BHP is true HP, I think that is a very decietful way of advertising pumps. But anyway, with 2 of those motors and the heater you should be at about slightly less than 50 but for the cost difference I would use a 60 amp breaker. The motor plates themselves have max draw numbers on them. Quote Link to comment Share on other sites More sharing options...
Kiz Posted December 23, 2008 Author Report Share Posted December 23, 2008 Well, my electrician answered the question for me. We turned on the tub, the heater, lights, ozonator, and all pupms to max, and he took a reading. Surprisingly, the answer as 36 amps. Quote Link to comment Share on other sites More sharing options...
Roger Posted December 23, 2008 Report Share Posted December 23, 2008 Well, my electrician answered the question for me. We turned on the tub, the heater, lights, ozonator, and all pupms to max, and he took a reading. Surprisingly, the answer as 36 amps. It was probably closer to 50 at pump startup though. Quote Link to comment Share on other sites More sharing options...
Kiz Posted December 23, 2008 Author Report Share Posted December 23, 2008 Roger, I think your probably right. This was a surprise to me. I thought it would be more than 35 A. Quote Link to comment Share on other sites More sharing options...
Camski Posted May 8, 2020 Report Share Posted May 8, 2020 Hi guys wondered if I could get some help please, I have a intex pure spa octagonal hot tub , and I'm thinking of wiring a outdoor socket direct from cu to double outdoor socket so I can plug in my hot tub , what size circuit breaker I use and what size swa cable would be sufficient for this job , the hot tub is 33 mtrs from house .many thanks Paul Quote Link to comment Share on other sites More sharing options...
CanadianSpaTech Posted May 8, 2020 Report Share Posted May 8, 2020 Start a new thread this one is older than I am. Quote Link to comment Share on other sites More sharing options...
TEAM SS Posted November 1, 2021 Report Share Posted November 1, 2021 Use power over voltage calculation. Power= 4kW or 4000watts Divided by Voltage = 220V = 18.18A So you basically can rate the breaker for 20A To answer the question above.. they see 36A running... yes this might be correct but there is something called "in rush current". This is a spike in voltage and amperage when first turned on. It's like your car... whey you first fire it up... the rpms are high... then it goes back to a normal idle.. :) Quote Link to comment Share on other sites More sharing options...
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