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🔴 Cut the power, not the adventure—Spartan Power keeps you in control!
The Spartan Power 300A ON/OFF Battery Disconnect Switch is a heavy-duty, ignition-protected rotary switch designed for 12V to 48V DC systems in RVs, marine, and automotive applications. With a continuous rating of 300A, intermittent 500A for 5 minutes, and a cranking surge capacity of 900A for 30 seconds, it ensures reliable power isolation. Its versatile mounting options and lifetime warranty make it a trusted choice for professionals seeking durable, safe battery management.





| ASIN | B09WZF17KB |
| Actuator Type | Rotary |
| Best Sellers Rank | #205,659 in Sports, Fitness & Outdoors ( See Top 100 in Sports, Fitness & Outdoors ) #173 in Electrical Equipment Battery Switches |
| Brand Name | Spartan Power |
| Circuit Type | 1-way |
| Colour | Red |
| Compatible Devices | RV, marine, and automotive devices requiring 12V to 48V DC power supply |
| Compatible with Vehicle Type | RV, Marine, Automotive |
| Connectivity Protocol | Wi-Fi |
| Connector Type | Screws |
| Contact Material | Copper |
| Contact Type | Normally Open |
| Control Method | App |
| Control Type | Knob |
| Controller Type | Push Button |
| Current Rating | 300 Amps |
| Customer Reviews | 4.7 4.7 out of 5 stars (286) |
| International Protection Rating | IP54 |
| Item Dimensions | 8.3 x 8.3 x 9.1 Centimeters |
| Manufacturer | Spartan Power |
| Material Type | Copper |
| Model Number | SP-BS300A-RED |
| Mounting Type | Panel Mount |
| Number of Items | 1 |
| Number of Positions | 2 |
| Operation Mode | ON-OFF |
| Part Number | SP-BS300A-RED |
| Specification Met | UL, IEC 60669-2-1:2002, IP54 |
| Switch Type | Knob |
| Terminal | Screw |
| UPC | 810019984327 |
| Unit Count | 1.0 Count |
| Wattage | 14400 Watts |
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