RV Surge Protector 30 Amp with LED Display Circuit Analyzer

SKU: KR6433
$77.99 $55.99 Save $22.00
Color: Yellow
Power: 10000J

Specification

Dimension
11.65 x 6.1 x 5.04 inches
Voltage
125 / 250V
Maximum Wattage
3750W
Current
30A

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$77.99 $55.99
Description
Specification
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Kohree upgraded RV surge protector with people around a campfire near a trailer at night.

  • 14000 Joules of Advanced Surge Defense: Now upgraded from 10,000J to a robust 14,000 joules, this protector absorbs dangerous voltage spikes within 1 nanosecond, shielding your RV’s AC units, refrigerators, TVs, and sensitive electronics from surges caused by lightning, grid switching, or faulty campground wiring.

    Yellow 30 amp rv surge protector with electrical circuit analyzer features displayed

  • Real-Time LED Voltage Display: Unlike basic LED indicators, this model features a digital LED screen that shows actual line voltage (104–132V) and wiring status via fault codes. When the green “Surge Protected” light is on and voltage reads in the safe range, it’s safe to connect your RV.

    Kohree surge protector 30 amp with circuit analyzer with LED display and wiring diagram

  • Intelligent Auto Power Off Protection: The unit automatically cuts power if voltage drops below 104V (brownout) or exceeds 132V (overvoltage)—preventing damage to motors and compressors. Once voltage normalizes, it reconnects automatically, no manual reset needed.

    RV surge protector 30 amp surrounded by electronic devices.

  • All-Weather IP67 Durability & Patented Design: Built with an IP67 waterproof plug and an oversized rugged cover to block rain, snow, dust, and debris. The entire unit uses flame-retardant housing, pure copper conductors, and high-strength PVC for safety and longevity. Its sleek form is protected by U.S. Design Patents (US D1,050,045 S and US D963,583 S).

    Instructions for using a surge protector with a smart LED screen display

  • Ergonomic Right-Angle Plug: Designed for tight spaces, the right-angle male connector reduces cord strain, while ergonomic grip handles make plugging/unplugging effortless—even with wet or gloved hands.

    Yellow rv 30 amp surge protector with large waterproof cover design

  • Tip: Always plug the surge protector into the campground pedestal first, then check the LED display before connecting your RV. The auto-reconnect feature is perfect for overnight storms—you won’t wake up to a dead fridge! For long-term storage, keep the waterproof cover snapped shut to prevent moisture ingress and extend the life of your protector.

Dimension: 11.65 x 6.1 x 5.04 inches

Voltage: 125 / 250V

Maximum Wattage: 3750W

Current: 30A

Need to purchase more? Please contact: Frank@kohree.com

Customers praised this 30 Amp surge protector for its reliability and peace of mind. "Well-crafted, with the voltage display being a nice added benefit," said shoppers. The LED display, weatherproof cover, and durability received high marks. Most customers felt safe using it, though some noted it's still being tested for actual surge conditions.

  • Well-crafted, with the voltage display being a nice added benefit. Very satisfied.
  • Great choice for outdoor adventurers! This surge protector ensures our travel trailer is safe.
  • The bright LED voltage indicators are easy to read even in low light.
  • 5 stars: 636 (95%)
  • 4 stars: 22 (3%)
  • 3 stars: 11 (2%)
  • 2 stars: 2 (0%)
  • 1 star: 2 (0%)
Some of the reviews shown are from related products the merchant grouped with this one.
K
Khalid
Happy to have it

I'm pretty fresh to the RV scene, just got my 2009 R-Pod this year. I joined a group on Facebook for owners and asked for tips for newbies. The first thing they told me was to "get a surge protector!" So, I'm glad I got this one. Haven't been on a camping trip with it yet, but I tested it out at the state park nearby. The instructions are clear and concise, and it quickly checks the current. It's got these yellow LEDs that light up to show different conditions like correct wiring or if there's an issue like reverse polarity or an open hot wire. In the close-up photo I posted, you can see the LEDs indicating correct wiring, and there's a blue LED that shows the surge protection is on. The LEDs are easy to see, even in the shade, and pretty visible in the sun too, especially the blue one. The plastic cover should keep it at least somewhat protected from the weather, maybe even make it waterproof. It's labeled for marine and RV use, and it meets the UL standards 817 and 1449. I reckon it's worth the money.

A
Alan R.
Affordable waterproof 30A surge guard

This product is tailored as a surge protector for the NEMA TT-30, a plug that RVs often use, and you might also spot it on some generators. It's built to be water-resistant, not waterproof, because there's a gap at the bottom without any seal to keep the water out completely. The cover's got a hump shape that fits most TT-30p plugs, even those with finger grips.
The built-in analyzer is a useful tool to confirm the circuit's got the right connections (check out the picture I attached). Basically, no red lights mean everything's cool. Plus, it's got the ETL/UL stamp of approval, so it's a safe bet.
One standout feature is its 8000 joules protection, which beats most other products that offer around 4000 joules. Another bonus is the 'ring lock' for anti-theft, where you can attach a steel wire or chain to the 2mm-thick steel ring and secure it to a power pole or something sturdy.
I'm a bit unclear on the 'self-reset' or one-time surge protection aspect - it's not well-documented. If it trips or gets hit by a surge, does that mean the internal capacitors are kaput? Or can you just unplug and plug it back in to reset it? There's no 'reset' button like you'd find on a regular power strip, so it might be a one-time deal.
The build quality is robust, so I'd definitely recommend this product. Just remember, it might be a one-time shield for your more valuable RV devices in case of a massive power surge.

M
Mike Hatland (United States)
Gray / 10000J

works great j

F
Frank Montoto (United States)
Orange / 14000J

The product was amazing and it's did what it promised!

D
Douglas Cline (United States)
Orange / 14000J

I used the power surge protector for the first time this past weekend. It worked like a charm. Easy to hook up and the LED lights were easy to understand and see.

D
Daniella Hobbs
Quick verify then set up camp fast.

I can quickly verify the connection and move on with setting up camp.

J
Joselyn Wiley
Simple fix for new camper concerns.

A simple product that solves a common concern for new campers.

K
Kellen Thomas
This rv surge protector with a waterproof casing

I feel much more comfortable camping when weather conditions are changing.

D
Drake Horton
Perfect for my weekend camping adventures

I bring this every trip because campground power quality can vary from place to place.

R
Rory Castillo
Auto shutoff is just what I wanted

The automatic shutoff feature gives me exactly the kind of protection I wanted for my camper's electrical system.

R
Ruby Estes
Reliable camping equipment choice.

This feels like quality gear that belongs in every RV storage compartment.

D
Dallas Bailey
Even short trips need this protection.

I prefer having extra protection instead of risking my RV electronics.

N
Nigel Ware
Better than my old surge guard

Replaced my old protector and the digital display is a huge improvement.

B
Brett Morales
Makes campground hookups less stressful

Before connecting my RV, I can quickly see the power condition and avoid guessing.

D
Demetrius Irwin
Great campground gear!!!

Helps me quickly identify outlet problems before using my RV power system.

J
Jaylin Wiley
Simple to monitor power!

Now I can check the exact voltage instead of just guessing based on a few vague indicator lights.

S
Sloane Warner
LED screen shows far more than my old unit did

The LED display provides much more information than my previous surge protector.

E
Emilie Shah
Very convenient campground accessory

Saves time because I can check the outlet condition immediately.

E
Eli Snow
Excellent replacement for older models

This upgraded my RV setup with better monitoring and more protection.

H
Haley Wilson
Excellent RV power monitor

This surge protector is exactly what I needed for my camper. The digital display makes checking power conditions very simple.

K
Kyle Lester
Smart design for RV users

The handle and right angle plug make it much easier to use in tight spaces.

I
Issac Bowers
Useful electrical safety tool for campers

Even when using it on rainy days, you don't need to worry about electric leakage because it has a waterproof protective case.

L
Luciano Day
Now I feel safer using campground power.

Since adding this to my motorhome, I finally have peace of mind when connecting to unfamiliar electrical hookups at RV parks.

M
Mckinley Cox
Good quality RV accessory

Looks durable and performs exactly as described. It works great, too. At first, I thought the RV's electrical system had failed when the power went out, but after investigating, I found out it was a problem with the campground's voltage. This product performed exceptionally well.

A
Annie Stephens
I have purchased it before, still very useful.

Automatic shutoff and reset features are exactly what I wanted.

K
Kyleigh Hancock
Useful guard that keeps setup simple.

Provides useful protection without making setup complicated.

D
DWAIN WILSON (United States)
Orange / Original

It seems to work really good

R
Raiden Dominguez
Smart buy for campground safety

This adds another layer of protection whenever I stay away from home.

FAQs About RV Surge Protector 30 Amp with LED Display Circuit Analyzer

The Kohree RV Surge Protector is designed to handle voltage fluctuations. It will automatically disconnect if the voltage drops below 104V or exceeds 132V, protecting your RV from potential damage.

The Circuit Analyzer features an LED screen that provides real-time information about the line voltage and circuit status. It helps ensure that the power supply is safe for your RV by displaying the voltage range (104-132V) when it's safe to connect.

The Kohree RV Surge Protector has a rating of 10000 Joules, which is a measure of the energy it can absorb to protect your RV's electrical system from voltage spikes within 1 ns.

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