InstallGear - Fuse Block with ANL Fuse Holder and Clear Cover - 2 Pack, 300Amp Fuses for Secure Circuit Protection - Universal Fuse Box for 0-10 Gauge Terminals, Automotive Applications

Seems to work great with my 50 and 100 amp anl fuses. However, the heat generated from a slow-blowing fuse could melt the plastic, so I just took that part off for safety. It's not really needed for a 12 volt system unless there's a possibility that something could short to it. Be aware also that a lot of fuses don't blow at exactly their rating or require some time to blow at the rated amperage. I found that to protect against shorts to ground I also needed a DC circuit breaker. It's good to test the shorts too just to see what the battery BMS would do, if the fuses would really blow, and if your circuit breakers would trip, because otherwise there could be an ongoing short or heat build-up somewhere, and proper testing can reduce the chances significantly.

Edit: so first time since installing these I really got on it with my truck and was hitting 3K rpms. I blew the 150amp fuse I put on my 136amp stock alternator. Also noticed both 100amp fuses had blew on my 90 amp grid heaters. Not sure when those blew but guess it's not been working (only cold enough one day to tell)Going to try and remember to put the remaining 150amp fuse on one 90 amp grid heater and see if it blows.Overall the case the fuse goes in is fine, not really happy about the fuses blowing so easily. Other people run the same size ANL fuses but different brands without trouble.I know it's better than blew then held out to 400-500amps without blowing, but it also caused me to have to pull over on the highway and remove the fuse for the alternator and bridge the wiring.*Original review:I ended up getting 3 of these. 2 100 amp which are on the right in my picture and 1 150 amp which is the far left. The two1000 amps are to run the grid heater on my Cummins and the left 150 amp runs from the alternator. I used 4 gauge wire on the alternator and 6 gauge wire on the grid heater.I was redoing the wiring in my truck and having trouble getting correctly sized fuse link wire where I didn't need to buy 25+ feet of for a huge price.This appears to work fine and is easily seen or opened in case a fuse does blow.I gave it 3 stars for durability as the soft clear covers will probably not hold up.

Ok

The InstallGear 0/2/4 Gauge Ga ANL Fuse Holder with 100 Amp Fuse (2 Pack) is a practical solution for safeguarding your electrical system. The inclusion of two ANL fuse holders, each equipped with a 100-amp fuse, provides reliable overcurrent protection. Designed to work seamlessly with 0, 4, 8, or 10 gauge ring terminals, this product ensures a secure connection for your electrical setup. The transparent cover offers a clear view of the fuse and terminals, allowing for easy inspection and quick identification of any potential issues. Crafted with a high-temp ABS base, this fuse holder is durable and built to withstand challenging conditions, ensuring long-lasting performance. Installation is a breeze with two convenient screw mount holes, ensuring a stable and reliable fit in your system.

Good fuse holder performs as needed. I do wish the covers would be a little bit more secure once installed. They tend to fall off easily.

I do alot of urban camping in my Ford Ranger. I just refuse to pay the outrageous prices for a hotel room for the plesure of getting into a bed that a stranger just crawled out of a few hours before. I have everything that I need but a shower. Amyway, I recently added to my comfort by adding a inverter and battery system to my "camper". Having experinced a battery cable malting while driving in the past. I chose not to experince that again. When I decided to install the power system putting fuses inline was a needed necessity. These fuses and cases are prefect for my application. I put one fuse from the truck battery inline to the new continuous relay then I placed the other one inline from the relay to the inverter battery. Now in the event that a short or a power surge should happen. My truck won't burn down to the frame. I realize I could have set up the system without putting the fuses in. And a lot of motorhomes and campers are set up that way. And alot of motorhomes and campers burn to the ground on side of the road. For the price you can't beat the safety these fuses provide. And, as the system ages I would rather know something is wrong with the system by blowing fuses than finding out by burning my truck down.

I have used this product more than once I've never had any issues with them other than blowing the fuze it comes with which was my fault i stuck a 200a fuze and my system never failed every customers car I have worked on has had this installed and I have never heard a complaint. So in case you guys are wondering you can change out the fuze depending on how much power you are trying to run.

Exceeding my expectations