







🔋 Cut the power, not the adventure — Stay charged, stay ready!
The OFNMY Battery Isolator Switch is a high-performance, CE-approved power cut-off switch designed for 12V, 24V, and 48V automotive and marine applications. Rated for 350A continuous current and 1000A surge, it features a durable copper core and ABS plastic housing for reliable conductivity and insulation. Its user-friendly rotary knob allows quick ON/OFF control with a removable design, making it ideal for cars, trucks, boats, vans, and caravans to prevent battery drain during inactivity.
| ASIN | B07FKZQWFS |
| Actuator Type | Rotary |
| Brand | OFNMY |
| Circuit Type | 1-way |
| Colour | Red |
| Connectivity Protocol | Wi-Fi |
| Connector Type | Screws |
| Connector type | Screws |
| Contact Material | Plastic |
| Contact Type | Normally Open |
| Contact type | Normally Open |
| Control Method | Touch |
| Controller Type | Mechanical knob |
| Current Rating | 350 Amps |
| Current rating | 350 Amps |
| Customer Reviews | 4.2 out of 5 stars 454 Reviews |
| International Protection Rating | IP65 |
| Item Weight | 0.18 Kilograms |
| Manufacturer | OFNMY |
| Material | Acrylonitrile Butadiene Styrene, Copper, Plastic |
| Mounting Type | Surface Mount |
| Number of Items | 1 |
| Number of Positions | 2 |
| Operating Voltage | 48 Volts |
| Operating voltage | 48 Volts |
| Operation Mode | ON-OFF |
| Operation mode | ON-OFF |
| Specification Met | CE |
| Switch Type | Kill Switch |
| Terminal | Screw |
| UPC | 750440597805 |
| Unit Count | 1 Count |
A**R
Easy fitting, durable
Great but if kit Heavy duty, well constructed
J**E
Quality Isolator switch
well made construction and smooth switching mechanisism. like the colour coding builtin to the switch but had to built housing unit for the switch to fit in as it is really a panel style fitting. I used this is my solar powered system for my garden room to isolate the battery down feed from the controller.
G**N
Quickly isolate power
This is being used to isolate all power from leisure battery to camper fusebox, so if I need to quickly remove power it's easy. Mounted it at the front bottom of drivers seat in mk6 transit. Perfect and easy to work with.
S**N
Excellent ..... buy it
This is second one i purchased. First is used to isolated my campervan ekectrics from leisure battery. 2nd one i used to replace a faulty split charge relay to make manual process to charge leisure battery.
M**H
Quality and service
Great quality and service
A**Z
Fair, but not best quality.
Not bad, but can be turned the wrong way quite easily, so unsure of how robust it is.
N**Y
Easy to install
As expected. Easy to install
M**E
Photo mis-leading
What isn't clear from the photo is that the 2 connecting bolts protrude a long way out of the isolator cover. As the switch has to be screwed flush to the wall a bracket had to be made up to allow for the extra depth. this then had to be construced and connected in a very limited space above the boat engine. If the photo had made this clear I would not have bought it. Switch itself appears ok but not suitable for the job.
Trustpilot
1 day ago
1 month ago