SEAFLO Heavy Duty 900 Amp 4-Position Battery Selector Switch for Marine, RV, and Off-Grid Power Management

Model # 23745730 Mfg # SFCBS-300-402
4.6 out of 5 Customer Rating
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
SEAFLO Heavy Duty 900 Amp 4-Position Battery Selector Switch for Marine, RV, and Off-Grid Power Management
Model # 23745730 Mfg # SFCBS-300-402
4.6 out of 5 Customer Rating
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
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SEAFLO Heavy Duty 900 Amp 4-Position Battery Selector Switch for Marine, RV, and Off-Grid Power Management

The SEAFLO Heavy Duty 900 Amp 4-Position Battery Selector Switch lets you switch isolated battery banks to all loads or combine them effortlessly. Featuring tin-plated copper studs for excellent conductivity and corrosion resistance, it accepts 3/8" (M10) ring terminals with a one-piece design that won’t loosen over time. The isolating cover protects rear contacts and offers flexible wire access. Rated for 900A momentary, 500A intermittent, and 300A continuous at 12V, it safely disconnects batteries to prevent power drain. Compact and rugged, it meets CE, RoHS, ISO 8846, UL 1500, SAE J1171, ABYC standards, and offers IP66 water jet protection—ideal for marine, RV, and off-grid use.

Key Features

  • Switches isolated battery banks to all loads or combines battery banks for flexible power management.
  • Tin-plated copper studs ensure maximum conductivity and corrosion resistance; accept 3/8" (M10) ring terminals.
  • One-piece terminal stud design maintains a secure connection that never loosens over time.
  • Isolating cover with three snap-off side pieces protects rear contacts and allows wiring access in any direction.
  • Heavy duty rated: 900A momentary, 500A intermittent, 300A continuous at 12V; meets CE, RoHS, ISO 8846, UL 1500, SAE J1171, and ABYC standards with IP66 water jet protection.

Above / Below Deck Manual
Amperage 300A
Capacity Rectangular
Compatibility 12-32VDC
Height 3.169 Inch
Length 2.175 Inch
Material Plastic, Acrylonitrile Butadiene Styrene (ABS)
Weight 13.28 Ounce
Width 2.175 Inch

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