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🔋 Cut the power, not the thrill — master your ride with Fastronix!
The Fastronix 3/8" 2-Position Master Battery Disconnect Switch is a high-performance, aluminum rotary switch rated for 180A continuous and 1000A intermittent current. Designed for cars, motorhomes, and NHRA-compliant race vehicles, it offers a secure panel mount in a 3/4" hole with IP54 protection against dust and water. Its durable build and precise operation eliminate parasitic battery drain, making it an essential upgrade for professionals and enthusiasts who demand reliability and control.












| ASIN | B011EYWMDS |
| Actuator Type | Rotary |
| Brand | Fastronix Solutions |
| Circuit Type | 1-way |
| Colour | Aluminum |
| Compatible with Vehicle Type | Cars, Motorhomes, Other Vehicles |
| Connectivity Protocol | X-10 |
| Connector Type | Screw Terminals |
| Contact Material | Aluminium |
| Contact Type | Normally Open |
| Control Method | Remote |
| Current Rating | 180 Amps |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,294) |
| International Protection Rating | IP54 |
| Item Weight | 100 g |
| Manufacturer | Fastronix Solutions |
| Manufacturer Part Number | 303-001 |
| Material | Aluminium |
| Model Number | 303-001 |
| Mounting Type | Panel Mount |
| Number of Items | 1 |
| Number of Positions | 2 |
| Operating Voltage | 12 Volts |
| Operation Mode | ON-OFF |
| Specification Met | NHRA, SCCA, IP54 |
| Switch Type | Rotary |
| Terminal | Screw |
| UPC | 638037089455 |
| Unit Count | 1.0 count |
| Wattage | 2160 watts |
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