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The Nilight Battery Disconnect Switch is a rugged, waterproof master isolator designed for 12-48V systems, delivering a continuous 300A current rating with a 1000A cranking surge. Its durable ABS and copper construction ensures long-lasting performance in automotive, marine, and recreational vehicles. Featuring a lockable rotary On-Off switch and IP54 protection, it prevents battery drain and enhances safety with easy installation.










































































| ASIN | B0CR5GZ8H6 |
| Actuator Type | Rotary |
| Best Sellers Rank | #483 in Automotive ( See Top 100 in Automotive ) #2 in Automotive Replacement Battery Switches |
| Brand Name | Nilight |
| Circuit Type | 1-way |
| Color | 1Pcs On-Off Switch 300A |
| Connectivity Protocol | X-10 |
| Connector Type | Plug In |
| Contact Material | Copper |
| Contact Type | Normally Open |
| Control Method | Touch |
| Current Rating | 300 A |
| Customer Reviews | 3.7 3.7 out of 5 stars (59) |
| EU Spare Part Availability Duration | 2 years |
| Included Components | 1x 300A battery disconnect switch with a wiring diagram |
| International Protection Rating | IP54 |
| Item Dimensions | 1 x 1 x 1 inches |
| Lower Temperature Rating | 1 °C |
| Manufacturer | Nilight |
| Material Type | Copper, Plastic |
| Model | 90330A |
| Mounting Type | Panel Mount |
| Number of Items | 1 |
| Number of Positions | 1 |
| Operating Voltage | 12 volts_of_direct_current |
| Operation Mode | ON-OFF |
| Part Number | 90330A |
| Specification Met | 1 |
| Switch Type | Kill Switch |
| Terminal | Screw |
| UPC | 840323914291 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 1 °C |
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