Page last updated Aug 5, 2017 @ 01:56pm

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single phase 120V single phase 120/240V 3 phase 120/208V rear view 

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Watt Meter Box
2 Watt Meters for 7.5kW Total

Don't operate your backup or alternative power electrical system blind!  Install this economical wattmeter kit so you can see what is happening.  Perfect for monitoring generator load when your transfer switch or panel does not have meters.

Kit includes pre-punched white nylon plate for mounting in any standard wall switch box.  Installer must provide plastic or metal 1, 2 or 3 gang switch box (for 1, 2 or 3 meter kit).  Meters sense the power using the included donut current transformers (CTs).  Transformers are normally mounted behind meter in electrical box, but wires can be extended for remote transformer mounting. Meter scales read in Watts at 120VAC for each hot leg of power system.  Made in USA  

For maximum meter life we do not recommend direct mounting on engine driven generators due to vibration.  Mount separately on an indoor wall.

Since these meters have no direct connection to the power system live conductors and operates at low voltage it is not UL Listed (and does not have to be).

 

single phase 120V only 4000W or 7500W max


Item Number: NMB1
Price: $39
Price last updated 8/5/2017
Shipping Weight: 1 lbs.
This item normally ships in approximately 2-3 days or less.
     
single phase 120/240V
(split phase)
7500W or 15000W max


Item Number: NMB2
Price: $69
Price last updated 8/5/2017
Shipping Weight: 1 lbs.
This item normally ships in approximately 2-3 days or less.
     
3 phase 120/208V 11000W or 23000W max


Item Number: NMB3
Price: $99
Price last updated 8/5/2017
Shipping Weight: 1 lbs.
This item normally ships in approximately 2-3 days or less.

 

 

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