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| Best Home Surge Protectors 2020 |
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| NEC Article 230.67 definition of dwelling unit includes your home. |
Per the National Electric Code (NEC 2020), your home is considered a dwelling unit. Other dwelling units include Hotels, Hospitals, Dormotories, Barracks and Apartment Buildings. The NFPA 70 Article 230.67 states that all dwellings units must install a UL1449 Listed SPD at the incoming service panel. In the case of most residences, this is a 120/240Vac main service. Shown below is an example using the M50-120T-A.
The M50-120T-A is installed via a 2-Pole 30A circuit breaker and will not only protect the main service panel but all smart applicances and electronics in the home like your oven, refrigerator, dishwasher, security system, televisions, ev chargers, etc... This protector is what is referred to as a "Whole House Surge Protector".
PRODUCT COMPARISON
This page collects publicly available data from ul.com and manufacturers web sites then assembles a side by side reference table for convenient product comparisons.
| Manufacturer |
| Ditek | Rectorseal | ICM Controls | Intermatic |
| UL File # | E326289 | E328921 | E505670 | E347279 | E359025 |
| Model | M50-120T-A | DTK-120/240CM+ | RSH-50 | ICM517 | AG3000 |
| Product Image |
|  |  |  |  |
UL.com Ratings | |||||
| SPD Type | 1 | 1* | 1 | 2 | 1 |
| Volt (V) | 240/120 | 240/120 | 240/120 | 240/120 | 240/120 |
| AC/DC DC PV | AC | AC | AC | AC | AC |
| Phase | 1S | 1S | 1S | 1S | 1S |
| Amps (A) | n/a | n/a | n/a | n/a | n/a |
| Ambient Min (C) | -35 | -35 | -40 | -35 | -40 |
| Ambient Max (C) | 80 | 80 | 85 | 40 | 70 |
| Mode | |||||
| L-L L-N L-G N-G | L-L - L-G - | L-L - L-G - | L-L L-N L-G N-G | L-L - L-G - | |
| VPR (Vpk) | |||||
| L-L L-N L-G N-G | 1200 700 1200 1200 | 1200 - 700 - | 2000 - 1200 - | 1200 800 900 1000 | 1200 - 700 - |
| MCOV | |||||
| L-L L-N L-G N-G | 280 140 140 120 | 300 - 150 - | 300 - 150 - | 260 130 130 260 | 300 - 150 - |
| In (kA) | 20 | 10 | 10 | 5 | 20 |
| SCCR (kA) | 150 | 100 | 200 | 10 | 100 |
Additional | |||||
| Surge Current Rating (kA) | 50 | 50 | 50 | 100 | - |
| Protection Circuit | Hybrid TMOV+GSG | TMOV | TMOV+GDT | MOV | TMOV |
| Leakage Current | No | Yes | Yes | Yes | Yes |
| TOV Optimized | Yes | No | No | No | No |
| Diagnostics | LED Audible Alarm | LED | LED | LED | LED |
| Environmental Rating | NEMA 4X NEMA 6 (submersible) | NEMA 4X | NEMA 4X | NEMA 3R | NEMA 4X |
| Warranty | 10-year | 3-year | Limited Lifetime | Limited Lifetime | 3-year |
| Connected Equipment Warranty | 10-year $7,500 | 3-year $7,500 | 5-year $5,000 | - | 3-year $7,500 |
"UL.com Ratings" data is publicly available with a free account at UL.com. The "Additional Data Sheet Ratings" are available for free on the manufacturers web site or by submitting a request directly. All the data has been reviewed by our engineering department. From time to time, the applicants UL file (including CITEL's) may become changed or updated at UL.com due to new testing or corrections to a report. In addition, manufacturers may change the data on their web sites. At the time of this comparison you will find this information to be accurate to the UL web site as well as the manufacturers publicly available data. If you find any information requires an update, please bring to our attention and it will be updated immediately. |
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| 10108 USA Today Way Miramar, FL 33025 USA | Contact us to develop a surge mitigation solution for your application |
| www.citel.us | Where to purchase Citel SPD's |
