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SEAFLO 300A Marine Battery Disconnect Switch, 2-Position Single Circuit ON/Off, 12V/24V/48V Heavy-Duty IP66 Waterproof Battery Isolator for Boat, RV and Auto, No Cover, 2-Pack, CE & RoHS Certified
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Grade
Analysis Confidence
35%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
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Price verified Sep 19, 2026 6:14 AM · Prices & availability subject to change
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📝 Product Overview
🏪 Sold by
SEAFLO Direct
🚚 Shipping
Free Shipping
Product Details
✓[ SPECIFICATIONS ]: Model: SFCBS-300-202-A | Voltage: 12V/24V/48V DC | Continuous Rating: 300A | Intermittent Rating: 500A (5 min) | Cranking Rating (30 sec): 900A | Terminal Stud Size: 3/8" - 16 (M10) | Switch Type: Single Circuit ON/OFF | Waterproof Rating: IP66 | Protective Cover: No
✓[ HEAVY-DUTY BATTERY DISCONNECT SWITCH ]: Designed to switch a single battery to a single load group, this rugged isolator provides secure power control, preventing battery drain in marine, RV, and automotive systems.
✓[ HIGH-CONDUCTIVITY TINNED COPPER STUDS ]: Built with tin-plated copper terminals, this switch maximizes electrical conductivity and provides exceptional corrosion resistance, ensuring long-lasting performance in marine environments.
✓[ DURABLE, VIBRATION-RESISTANT DESIGN ]: The one-piece terminal stud construction prevents loosening over time, delivering secure electrical connections for high-vibration applications like boats, trailers, and off-road vehicles.
✓[ STREAMLINED DESIGN – NO PROTECTIVE COVER ]: This model excludes the protective cover, offering a cost-effective alternative while maintaining the same high-quality performance and IP66 waterproof rating as the standard version.
✓[ IP66 WATERPROOF & WEATHER-RESISTANT ]: Engineered for marine and outdoor use, this switch is IP66-rated, providing powerful water resistance and durability against dust, moisture, and extreme conditions.
✓[ COMPLIES WITH MARINE SAFETY STANDARDS ]: Meets ABYC, UL 1500, and SAE J1171 ignition protection standards, making it a trusted choice for boats, yachts, RVs, ATVs, and off-grid power systems.
✓[ 4-YEAR WARRANTY ]: Backed by SEAFLO’s industry-leading 4-Year Limited Warranty, ensuring long-term reliability and peace of mind for all marine, automotive, and industrial applications.
⚙️ Specifications
Operation Mode
ON-OFF
Current Rating
300 A
Operating Voltage
48 volts_of_direct_current
Contact Type
Normally Closed
Connector Type
Stud
Brand
SEAFLO
Switch Type
Rotary
Terminal
Stud
Material
Copper
Circuit Type
1-way
Mounting Type
Wall Mount
