This is the Surge Guard 50 Amp 44390 Surge protector, and can protect your RV against up to 4200 joules. This is a perfect unit for travel trailers, pop-ups and any smaller type RV.
This unit also will test for and indicate for the following:
- Open neutral
- Open ground
- Reverse polarity
- Open circuit/no power
- Missing leg 1/2 voltage
- Surge protection status
- Overheating plug/receptacle
Other features include a fully enclosed receptacle cover, increased receptacle brass thickness to reduce heat, convenient T-Pull handle, easy to read LED fault chart, and includes the anti-theft ring that is perfect for use with a cable lock.
Great price for a great unit!
If you are in a larger RV we recommend the total electrical protection portable units by Surge Guard (Model 34951).