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Author Topic: Are there 240v surge protectors and watt meters for American miners?  (Read 301 times)
fyoung55
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January 25, 2018, 01:09:42 AM
 #21

As far as a watt meter, I use this:

https://www.amazon.com/gp/product/B01MRZAFAF/ref=oh_aui_search_detailpage?ie=UTF8&psc=1

There are tons of similar ones out there all under $20.

You really have to install it next to/inside your electric panel so it's not as easy as a kill-a-watt but I looked forever and couldn't find a 220v plug and play.  This little watt meter does a decent job of tracking my usage so i can gauge how much I'm spending on electric.  I'm comfortable with such work, having wired most of my house, and did I installed the meter myself.  No idea what an electrician would charge to hook it up.  It took me ll of 10 minutes, so probably not much.

Here's where I put it:
https://imgur.com/a/ZIGwG

For the record, my 13.5T-S9 using an apw3+ at 220v pulls around 6 amps which works out to 1385w - 1390w according to the meter (1392w at the time of the pic).  I have noticed that when it's a bit warmer, it draws more power, but I've never seen it above 1405w

Just my 2 cents.  Hope it helps.
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ptsczza
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April 02, 2018, 06:02:07 PM
 #22

Have you guys seen this one?

: https://www.amazon.com/dp/B00006HZ4N/ref=asc_df_B00006HZ4N5425427/?tag=hyprod-20&creative=394997&creativeASIN=B00006HZ4N&linkCode=df0&hvadid=216499414469&hvpos=1o4&hvnetw=g&hvrand=15951994750210272085&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9033057&hvtargid=aud-416395350856:pla-350998769735

Made by Dell, I have one on the way to try.

I agree, very frustrating, can't belive such a simple thing is not available readily.][url][/url]
ccgllc
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April 02, 2018, 06:09:51 PM
 #23

If you want to run two s9s on a single circuit you really need it to be 20 amp.

Presuming his wiring and breaker are both rated at 20 amps, that DUAL 15-amp receptacle is fine and code.  Each outlet in that receptacle is rated at 15 amps.  This is exactly what I do in my data center (except I used nice brown ones because they looked different, making it easy to tell, and I found them cheaper at Platt).

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April 02, 2018, 08:14:11 PM
 #24

I feel your pain man. The solution I came up with for surge protection is to use a whole house surge protector. There are different models depending on if you are using 3 phase or single phase. Here is an example:

https://www.homedepot.com/b/Electrical-Power-Distribution-Whole-House-Surge-Protectors/N-5yc1vZbm05

Another option is to use tripplite Euro-50. It works with 50 and 60 Hz, but it only works for like 10 amps or something so you can probably get away with 2 miners for each unit:

https://www.tripplite.com/isobar-4-outlet-200-240v-surge-protector-2m-cord-680-joules~EURO4

As for amps, just use a clamp ammeter on the line. It is pretty consistent if you can keep your temps regulated and your miners clean.

https://www.kleintools.com/catalog/clamp-meters/digital-clamp-meter-acdc-auto-ranging

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April 06, 2018, 08:15:08 PM
 #25

Surge protectors at the "panel" level are commonly 234 V in the US, due to how common "split phase" power feeds work here.
Past the outlet type surge protectors are bloody rare though the US at anything other than the "common" 117 VAC, as most data centers that run 208V or 234V to their machines have a full-up UPS setup of some sort that provides surge protection, or use panel-level surge protection in the rare cases they don't have a center-level UPS setup.

PDUs often have some sort of metering, but the metered ones tend to be a bit expen$ive - and wattmeters designed to run on 208 or 234 V with US-type connections are bloody RARE otherwise due to lack of demand for them.



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