APW12 Power Supply in US for S19
Answered
Hi,
Trying to operate AntMiner S19 in US. Got some questions regarding the APW12.
US got 240V outlet, but it would be different from China's power supply.
US got 2 hot wire and 1 ground wire, the voltage between two hot wire is 240V. The voltage between each hot wire and ground wire is 120V.
However in China, there is 1 hot wire, 1 neutral wire and 1 ground wire. The voltage between hot wire and ground wire is 220V and the voltage between neutral and ground is 0V.
Is it safe to operate with US 2 hot wire and 1 ground wire?
I found this guide:
https://support.bitmain.com/hc/en-us/articles/900001205726-APW12-12V-15V
https://support.bitmain.com/hc/en-us/articles/360018041153
But it didn't cover that much detail as mentioned above.
Thanks
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Official comment
Dear JJ
Our machine requires an input voltage of 200-240v ，Because of different national conditions, if you ask about electricity, we advise please consult the electrician in your country directly
Comment actions -
Hi,
Thanks for quick reply. Actually our electrician is having this concern. Cause APW12 only covers input voltage range but not voltage for each input port.In US, we did get 240v just with different distribution between ports.
For example, APW12 has three input ports (port1, port2, port3)
In China, 1 is ground, 2 is neutral and 3 is 220V, so it is 220V between 2 and 3.
However in US, 1 is ground, 2 is hot (-120V), 3 is hot (+120V). so it is 240V working between 2 and 3. We are just not sure if it is OK in this case cause between 1 and 2 there is also voltage.
I know this is kind of much too detail about the APW12. But is there any detailed specs on this part? I believe this is a general issue in US. Several miner groups were discussing this and everyone just assumes it works with 240V. It would be really helpful if your technicians could help answer this so I could share the knowledge across miner groups.
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