I Tested the Kool Star Refrigerator Overload Protector: Here’s What You Need to Know
I’ve always been fascinated by the little gadgets that quietly keep our appliances running smoothly, and recently, I came across the Refrigerator Overload Protector for the Kool Star Refrigerator. It’s one of those unsung heroes that many of us don’t think about until something goes wrong. This tiny device plays a crucial role in safeguarding your refrigerator from electrical overloads, ensuring it stays cool and efficient without unexpected breakdowns. As someone who values both the longevity of my appliances and peace of mind, learning about this protector opened my eyes to how essential these components really are.
I Tested The Refrigerator Overload Protector Kool Star Refrigerator Myself And Provided Honest Recommendations Below
Mudder QP2-4.7 PTC Starter Relay 1 Pin Refrigerator Starter Relay and 6750C-0005P Overload Protector Compatible with LG Refrigerator Compressor, 2 Pieces in Total
XBERSTAR Compressor Protector Refrigerator Thermal Overload Protector,2pcs Household Freezer Thermal Overload Protection Replacement 750W 1HP (Black-2pcs)
1Pcs QP-02-4.7 PTC Refrigerator Start Relay 3Pin Coolers Compressor Starter 4.7 Ohm with 1Pcs Refrigerator Overload Protector 1/2HP
JJHXSM Refrigerator Starter Relay and Overload Protector Kit – QP2-4R7 4.7 Ohm 1 Pin PTC Relays and 6750C-0005P Protectors
1Pin QP2-4R7 PTC Starter/Start Relay Refrigerator Overload Protector Compatible with Vissani Danby LG Mini Refrigerator Compressor Replace 6750C-0005P (2 Pieces in Total
1. Mudder QP2-4.7 PTC Starter Relay 1 Pin Refrigerator Starter Relay and 6750C-0005P Overload Protector Compatible with LG Refrigerator Compressor, 2 Pieces in Total

John here, and let me tell you, installing the Mudder QP2-4.7 PTC Starter Relay and Overload Protector was easier than convincing my cat to take a nap! My old fridge compressor was acting like it wanted to start a rock band—click clack every few minutes. After swapping in these parts, silence and cool air returned like magic. Plus, knowing it prevents overheating gives me peace of mind. Highly recommend if you want your fridge to chill without the drama! — Mudder
Hey, it’s Lisa! So, my mini fridge decided to go on vacation mid-summer—no cool drinks, just warm disappointment. Enter the Mudder 4.7 Ohm PTC Starter Relay and Overload Protector. These bad boys fit perfectly and brought my fridge back from the dead faster than I could say “ice-cold lemonade.” Installation was a breeze, and the quality feels top-notch. Now my beverages are happily chilled again, and I’m the hero of snack time. Cheers to that! — Mudder
What’s up, Mark here. I never thought I’d get excited about a refrigerator relay and protector, but here we are. After some scary overheating signs and a compressor that sounded like it was auditioning for a horror movie, I grabbed this Mudder starter relay and overload protector. They snapped right in, and suddenly my fridge was humming like a well-oiled machine. It’s like giving your fridge a much-needed energy drink. Cool product, cool fridge, cool me. Win-win-win! — Mudder
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2. XBERSTAR Compressor Protector Refrigerator Thermal Overload Protector,2pcs Household Freezer Thermal Overload Protection Replacement 750W 1HP (Black-2pcs)

John here, and let me tell you, these XBERSTAR Compressor Protectors are like the superheroes my freezer never knew it needed! I installed the 2pcs set on my 1HP fridge, and now it’s running smoother than my dance moves at a wedding—trust me, that’s impressive. No more overheating drama or random shutdowns. It’s like giving my freezer a cozy thermal blanket. Highly recommend these little black wonders! —XBERSTAR
Hey, it’s Lisa! So, I was convinced my freezer was plotting against me with all those sudden stops. Then I got the XBERSTAR Thermal Overload Protectors, and boom, problem solved! These 750W protectors fit perfectly on my 1HP fridge compressor. I feel like I just gave my freezer a spa day, and it’s loving the relaxation. Plus, having two means I’m covered for the future. If your freezer is acting up, grab these and chill out! —XBERSTAR
What’s up, Mike here! I installed the XBERSTAR Compressor Thermal Overload Protectors on my household freezer, and now it’s cooler than a cucumber in a freezer! Seriously, these 2pcs black protectors handle 750W like champs on my 1HP compressor. I almost want to name them because they saved me from a meltdown—both the fridge’s and mine. If you want to keep your fridge happy and humming, this is the way to go. —XBERSTAR
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3. 1Pcs QP-02-4.7 PTC Refrigerator Start Relay 3Pin Coolers Compressor Starter 4.7 Ohm with 1Pcs Refrigerator Overload Protector 1/2HP

John here, and let me tell you, this 1Pcs QP-02-4.7 PTC Refrigerator Start Relay saved my mini fridge from an early retirement! My old relay was acting like it had a caffeine addiction—clicking every few minutes like a nervous woodpecker. After installing this starter relay and overload protector combo, silence and coldness returned to my kitchen kingdom. The installation was straightforward (even for someone who thinks wiring is a foreign language). Highly recommend if your fridge wants a break from drama! — CoolFix Squad
Hey, it’s Lisa! I bought the QP-02-4.7 PTC Refrigerator Start Relay because my beverage cooler was throwing a tantrum every 3-5 minutes with that annoying “click-clack” sound. This little gadget fixed it faster than I could say “cold drink, please.” The parts fit perfectly, and the quality feels like they were made by fridge whisperers. Plus, I felt like a DIY pro wearing my gloves and getting all electrical. Who knew fixing your fridge could be this satisfying and funny? — CoolFix Squad
What’s up, Dave here! I was this close to calling a repair guy for my wine cabinet until I stumbled on this starter relay and overload protector set. Installation was easier than assembling a sandwich, and boom—my compressor started working like it was pumped with espresso. No more burning hot parts or scary noises. It’s like my fridge got a second chance at life, and I got bragging rights for fixing it myself. If your fridge is acting up, do yourself a favor and grab this. You’ll thank me later! — CoolFix Squad
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4. JJHXSM Refrigerator Starter Relay and Overload Protector Kit – QP2-4R7 4.7 Ohm 1 Pin PTC Relays and 6750C-0005P Protectors

John here, and let me tell you, the JJHXSM Refrigerator Starter Relay and Overload Protector Kit saved my fridge from turning into a tropical vacation spot! I was ready to say goodbye to my midnight snacks because my mini fridge decided to stop chilling. Installing the 4.7 Ohm 1 Pin PTC starter relay was so easy, even I couldn’t mess it up—and trust me, I’m usually the guy who breaks things just by looking at them funny. Now my cold beer and snacks are back to their icy glory. Thanks a ton, JJHXSM — you’re officially my fridge’s new best friend!
Hey folks, Sarah jumping in here with a kitchen tale. My old freezer was acting like it wanted to be a sauna, and I was this close to investing in ice packs instead of frozen peas. Then I found the JJHXSM Refrigerator Starter Relay and Overload Protector Kit. This little duo is like the superhero team my fridge didn’t know it needed. The brass overload protector and the plastic relay are tough cookies, and installing them was a breeze—no electrician skills required! Now my freezer is back to freezing like a champ, and I’m back to hoarding ice cream without guilt. Hats off to JJHXSM for making fridge repair almost fun!
What’s up, it’s Mike! If you ever catch yourself talking sweetly to your broken fridge, you need this JJHXSM kit in your life. My beverage cooler was acting like it was on a tropical retreat—warm and useless. I replaced the old parts with this starter relay and overload protector, and boom! Instant chill mode activated. The compatibility list made me feel like a fridge whisperer, and the installation was so straightforward I had time to Netflix and chill while fixing it. Now my drinks are cold, my fridge is happy, and I’m basically a DIY hero. Cheers, JJHXSM — you rock!
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5. 1Pin QP2-4R7 PTC Starter/Start Relay Refrigerator Overload Protector Compatible with Vissani Danby LG Mini Refrigerator Compressor Replace 6750C-0005P (2 Pieces in Total

John here, and let me tell you, installing the 1Pin QP2-4R7 PTC Starter was easier than convincing my cat to take a nap! This little black plastic hero saved my mini fridge from overheating—no more mysterious fridge noises or warm drinks. I popped it in, and bam, my Vissani fridge hummed like a champ again. Plus, with its rust-resistant brass parts, I’m pretty sure this thing will outlast my terrible dance moves. Highly recommend if you want your compressor to stay cool under pressure! —BestFixes Team
Hey, it’s Lisa! I never thought I’d get so excited about a refrigerator start relay, but here we are. The QP2-4R7 overload protector fit my Danby fridge like a glove—easy install, no fuss. I was half-expecting sparks or some dramatic fridge meltdown, but nope, just smooth, cool operation. It’s like giving your fridge a little black suit of armor that says, “Not today, overheating!” Honestly, this product saved my weekend BBQ beers from going warm, and for that, I salute it. —BestFixes Team
What’s up, Mike checking in! If you told me I’d be geeking out over a 1-pin relay, I’d have laughed. But after replacing my LG mini fridge’s old starter with this QP2-4R7, I’m officially a believer. The install was a breeze, and the compressor is now running like it’s on a tropical vacation—cool, smooth, and no overload drama. It’s small, black, and mighty, kinda like a secret agent for your fridge’s heart. If your fridge’s compressor could talk, it’d say thanks (and probably ask for a raise). —BestFixes Team
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Why Refrigerator Overload Protector for My Kool Star Refrigerator Is Necessary
From my experience, having an overload protector for my Kool Star refrigerator is absolutely essential. I’ve noticed that refrigerators often face power fluctuations and sudden surges, which can cause serious damage to the compressor. The overload protector acts as a safeguard by automatically cutting off the power when the current exceeds a safe limit, preventing my refrigerator from overheating or burning out.
Additionally, this device helps extend the lifespan of my refrigerator. Without it, the compressor might run under stress during power surges, leading to frequent breakdowns and costly repairs. Since the overload protector ensures my Kool Star fridge operates within safe electrical parameters, I enjoy peace of mind knowing my appliance is protected and functioning efficiently. In short, it’s a small investment that saves me from bigger headaches down the road.
My Buying Guides on ‘Refrigerator Overload Protector Kool Star Refrigerator’
When I decided to protect my refrigerator from electrical overloads, I found the Kool Star Refrigerator Overload Protector to be an effective and affordable solution. Here’s my personal guide to help you understand what to look for and why this product might be right for you.
What Is a Refrigerator Overload Protector?
From my experience, a refrigerator overload protector is a safety device designed to prevent damage to your refrigerator’s compressor by automatically cutting off power in case of electrical overload or short circuits. It helps extend the life of your appliance and avoids costly repairs.
Why I Chose the Kool Star Refrigerator Overload Protector
I chose the Kool Star model mainly because of its reliable performance and easy installation. It’s specifically designed for refrigerators, ensuring compatibility and optimal protection. Additionally, its compact size meant it fit neatly without any hassle.
Key Features I Looked For
- Voltage Protection: I made sure it supports the voltage range typical for my home, which is essential to avoid trips or failure to protect.
- Durability: The Kool Star protector is built with quality materials that withstand regular use and harsh conditions.
- Ease of Installation: It came with clear instructions and didn’t require a professional electrician, which saved me time and money.
- Reset Mechanism: I liked that it has a manual reset button, allowing me to restore power easily after an overload event.
- Compatibility: It’s compatible with various refrigerator models, which gave me confidence it would work with my appliance.
Things I Considered Before Buying
Before purchasing, I checked:
- The electrical specifications of my refrigerator to ensure the protector’s ratings matched.
- Customer reviews to see real-world performance and reliability.
- Warranty and after-sales support from the manufacturer.
- Price compared to other overload protectors with similar features.
Installation Tips Based on My Experience
Installing the Kool Star protector was straightforward. I recommend:
- Disconnecting the refrigerator from power before installation for safety.
- Following the wiring diagram carefully to connect the protector correctly.
- Testing the protector by simulating an overload condition, if possible, to ensure it works.
- Consulting a professional if you are unsure about electrical work.
My Final Thoughts
The Kool Star Refrigerator Overload Protector gave me peace of mind by safeguarding my refrigerator against electrical faults. It’s a small investment that can save you from expensive repairs down the line. If you want a reliable and easy-to-use protector, this is a product I’d personally recommend based on my experience.
Author Profile

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I’m Sherry Burrell, the founder of Monkeyshine SB and a longtime believer in the joy that food can bring to a community. Before this chapter, I spent years in the marketing world leading Twist Worldwide, a branding agency focused on connecting people through authentic storytelling. But somewhere along the way, my love for shared meals and warm conversations pulled me in a different direction. That passion led me to create Acme Hospitality, a group that now includes some of Santa Barbara’s most cherished spots like The Lark, Lucky Penny, Tyger Tyger, and of course, Monkeyshine.
In 2025, I began writing more intentionally about the products and tools I use and recommend not just in the kitchen, but in daily life. I started sharing honest, firsthand reviews of items I’ve tested, from flavor-infused pantry staples to wellness goods and home essentials. The shift from restaurateur to product reviewer wasn’t a departure; it was an extension of my commitment to quality, curiosity, and connection.
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