How to Pick the Perfect Power Inlet Box
A generator inlet box, also known as a power inlet box, is like an electrical o...
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Features
- Monitor Generator Load
- Measures up to 12,500 watts @ 125/250 volts
- Indoor Installation
- 7" x 4" x 2.25" NEMA indoor cabinet
California residents see
Warning: This product can expose you to chemicals including Wood dust which is known to the State of California to cause Cancer.
For more information go to: www.p65Warnings.ca.gov
Specifications
MB125
Overview
Weight
2.5 Pounds
Made in USA
Yes
Consumer Warranty
2 Years
Product Length
7 Inches
Product Width
4 Inches
Product Height
2.25 Inches
UPC
815181010355
Product Specs
Voltage
120/240 Single-Phase
Frequency
60 Hertz
Rated Watts
12500 Watts
Rated Amps
50 Amps
Enclosure
NEMA 1R
Maximum Wattage
12500 Watts
UL Listed
Yes
Reviews
(15)
Reliance Controls MB125 Reviews & Ratings
Customer Rating
4.73
(15 Ratings)
5
(11)
(11)4(4)
(4)3(0)
(0)2(0)
(0)1(0)
(0)
Exactly What I Needed
By William H.
Farmersburg, Indiana
Purchased 12/30/2020 |
Review Posted 06/16/2021
Exactly what I needed. Easy to install. Works perfect.
William H. Recommends This
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Rating Breakdown
5/5
5/5
5/5
4/5
Pros:
Easy To Use, Durable, Exceeded Expectations, Id Buy It Again
Great Product For The Price $$
By John S.
Jacksonville, Florida
Purchased 03/31/2021 |
Review Posted 05/06/2021
Was easy to set up and works perfectly for what it was intended for.
John S. Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Exceeded Expectations
Cons:
Bad Instructions
Performed As Expected
By Robert C.
SWARTZ CREEK, Michigan
Purchased 01/26/2021 |
Review Posted 02/19/2021
I purchased the Reliance meter as the only way to monitor, with precision, the amount of wattage each ‘leg’ of the circuit panel was using when engaging the backup generator. We purchased a 12000 watt generator to power up our 1500 sq ft ranch in the event of an outage. I am a building engineer, and know how important it is to balance the legs when the generator is used. The installation was straight forward, and the product delivered as promised. Once I did a mock power failure, I was able to monitor the wattage being used as I turned on individual circuits. The 12000 generator is able to power up everything on the circuit panel, and thus our home. Thank you for such a great, and essential product for a backup power source
Robert C. Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Easy To Use, Reliable, High Quality
Works fine, but......
By John F.
LaGrange, Indiana
Purchased 04/24/2019 |
Review Posted 05/15/2019
Meter works, is accurate and fairly easy to install. I say "fairly easy to install" because the leads are waaay too short! I spliced in 5 feet of 4 conductor telephone wire between the meter and my transfer switch where I picked up the generator lines 1 and 2. I mounted the meter box outside in a place where it would be out of the weather. The unit is overpriced for what you get, but it is the only game in town so to speak so I am generally satisfied.
John F. Recommends This
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Rating Breakdown
3/5
4/5
4/5
3/5
Pros:
Features
Cons:
Expensive
Works Great
By Howard C.
PLAINFIELD, New Jersey
Purchased 05/07/2018 |
Review Posted 06/20/2018
Works great / I though it measured total wattage (both phases on one meter.).
Howard C. Recommends This
Was this review helpful?
Rating Breakdown
4/5
4/5
4/5
5/5
Pros:
Easy To Use, Durable, Price
A Good Meter For The Money
By Peter H.
Troutville, Virginia
Purchased 02/22/2018 |
Review Posted 04/09/2018
The meters were ordered via web site, so the purchase was a gamble. They were easy to install on the generator side of the interlocked breakers. I have 2 power panels in the home as a result of an expansion by the previous owner. Hence, 2 separate gen sets each providing 30 amps at 220 VAC. The meter scales and calibrations are small so un-intentional overloading is easy to do.
Peter H. Recommends This
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Rating Breakdown
4/5
5/5
5/5
4/5
Pros:
Easy To Use, High Quality
Cons:
small scales
Great Little Meter
By Ronald S.
Chico, California
Purchased 02/17/2017 |
Review Posted 05/10/2017
Was what I ordered, Removed Panel indicators and mounted in the Hybrid Invert Wiring box instead of haveing another external box to wire in. Picked up the generator leads inside box. Good for visual indication of applied loads would use a digital power meter for real accuracy. Don't need that kind of accuracy for generator operation to support house loads in a power out situation or for battery charging thru hybrid inverter.
Ronald S. Recommends This
Was this review helpful?
Rating Breakdown
3/5
5/5
4/5
5/5
Pros:
Easy To Use
MB125 - Excellent 50-Amp Wattage Meter
By Martin P.
Saint Louis, Missouri
Purchased 10/07/2016 |
Review Posted 11/08/2016
Works great!!! Highly recommend for any portable generator hook-up.
Martin P. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Durable, Features, Easy To Use, I'd Buy It Again
MB125 Watt Meter
By Jerry W.
Irvington, Alabama
Purchased 02/28/2015 |
Review Posted 03/22/2015
The meter works well as advertised.
That said, the input leads are entirely too short. My installation is through the wall and I had to splice extensions to get the length needed.
I did not pay close attention to the "Lower Limit" of the meter before I installed it.
The 50 Amp unit begins @ 1000 watts and the load I put on the generator doesn't register until a 240 unit kicks in like the water heater.
That said, the input leads are entirely too short. My installation is through the wall and I had to splice extensions to get the length needed.
I did not pay close attention to the "Lower Limit" of the meter before I installed it.
The 50 Amp unit begins @ 1000 watts and the load I put on the generator doesn't register until a 240 unit kicks in like the water heater.
Jerry W. Recommends This
Was this review helpful?
Rating Breakdown
4/5
5/5
5/5
5/5
By Thomas W.
Philadelphia, Pennsylvania
Purchased 11/02/2012 |
Review Posted 07/08/2014
Thomas W. Recommends This
Was this review helpful?
Rating Breakdown
5/5
5/5
5/5
5/5
Pros:
Durable, Easy To Use, Price, Reliable
Cons:
None
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