Total electrical protection for your RV.
Protects your RV bumper to bumper from faulty park power. Transfers to either shore power or generator automatically when energized. In the event both shore power and generator powers are available, generator dominates after a 30 second delay. Once the generator is shut down, shore power activates after a 2 second delay.
Internet and Catalog Exclusive.

This item qualifies for Product Protection Plan coverage.
Protect Your Purchase!
Product Protection Plan eliminates out-of-pocket expenses and protects against costly product repairs or replacement.
We'll cover 100% parts and labor for up to two years following the expiration of
your manufacturer's warranty. Warranty service is available at any Camping World location or at one of 52,000 service centers across the U.S.
Tech Specs
Weight:
15.5 lbs.
Manufacturer:
Technology Research Corp
Mfg Part #:
40250-011-012
Tech Notes:
- 120/240V, 50A, 60 Hz
- 4-mode protection at 3350 Joules
- 130,000 Amps peak spike protection
- Fuse protected L1/L2 surge suppressers
- Over/under voltage protection
- Miswired pedestal protection
- Open neutral protection
- Plain English display of faults - no cryptic error codes
- UL Listed
Ask your question today to get answers from other owners of this product and Camping World staff members. If you have a question for customer service such as pricing, shipping or order information please do not submit your question through this form.