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Kill-a-Watt detector 20 AMP

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JJ91284

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Does anyone know of a good 20 amp kill-a-watt detector. I borrowed my brothers 15 amp one, but I really want to get a 20 amp kill a watt detectors since I routinely pull in over 15 amps on a 20 amp breaker and I want to monitor it.

I'm not having much luck finding one right now.
 
the killawatt says 15 amps but it will go higher. 1875VA is the actual rating. i wouldnt leave it plugged in perminantly on something that continuously pulls >15amps, but for a few minutes wont hurt it. it has to do with the plug connectors being too small to be rated to handle 20 amps. they could eventually heat up enough to cause problems if used continuously, but like i said, if you only want to use it for 30 seconds to take a reading it should be fine.
 
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drescherjm said:
That is the same as 15A. 125V * 15 A = 1875 VA
Click to expand...

but not everyone has exactly 125v at the wall. if you only have 120v, then the amperage limit would be 15.625.

if you had really old wiring or dirty power and only got 110v, then the limit would be 17 amps. this is the reason to use voltamps. while line voltage can normally vary by +/- 10v, the voltamp rating is constant.
 
For an update, I ended up buying a P3 International Kill A Watt EZ model number P4460. After 1 month or so at a load of roughly 1100 watts 24 hrs a day the unit failed. I opened up the unit and determined that the thermal fuse is bad. The thermal fuse used is SEFUSE SF96U-1 (99C 15 A) C1172

I just contacted P3 International Via email and will find out soon hopefully if their customer service is decent.
 
We also have a P3 KillAWatt EZ model 4460. It has been in use just 7 months with load mostly around 100-200 watts with occasional loads of 1000 watts for a few minutes (microwave oven).

Yesterday, the meter failed completely. No display, no power to the output socket. I took it apart and verified that the thermal fuse blew. Called P3 tech support and they won't even send me the part to install because it's 1 month out of warranty. They view it as a throw-away product at this point.

Sounds like these meters are prone to this even running well below the rated load. Probably best only for very short-term spot checks.
 
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