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The Nilight Battery Disconnect Switch 100A Master Isolator is a rugged, IP65-rated rotary switch designed to safely disconnect 12-32V DC battery systems. With a continuous rating of 100 amps and a cranking surge capacity of 500 amps, it prevents battery drain in vehicles and marine applications. Its durable ABS housing and copper terminals ensure long-lasting performance, making it ideal for cars, boats, RVs, and off-road vehicles. Includes wiring diagram and a 2-year warranty for trusted protection.














| ASIN | B0CR5VJ7KB |
| Actuator Type | Rotary |
| Best Sellers Rank | #488 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Replacement Battery Switches |
| Brand | Nilight |
| Brand Name | Nilight |
| Circuit Type | 1-way |
| Color | 1Pcs On-Off Switch 100A |
| Compatible Devices | cars, marine boats, RVs, campers, travel trailers, trucks, ATVs, UTVs, battery banks |
| Compatible with Vehicle Type | car, marine boats, RVs, campers, travel trailers, trucks, ATVs, UTVs |
| Connectivity Protocol | X-10 |
| Connector Type | Plug In |
| Contact Material | Copper |
| Contact Type | Normally Open |
| Control Method | Touch |
| Current Rating | 100 A |
| Customer Reviews | 4.1 out of 5 stars 151 Reviews |
| Included Components | 100A Battery Disconnect Switch with a wiring diagram |
| International Protection Rating | IP65 |
| Item Dimensions | 1 x 1 x 1 inches |
| Lower Temperature Rating | 1 °C |
| Manufacturer | Nilight |
| Material Type | Copper, Plastic |
| Model | 90328A |
| 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 | 90328A |
| Specification Met | 1 |
| Switch Type | Kill Switch |
| Terminal | Screw |
| UPC | 840323914277 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 1 °C |
| Wattage | 1200 watts |
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