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Blue Sea Systems 5023 ST-Blade Battery Terminal Mount Fuse Block
Vendor:Blue Sea SystemsRegular price $29.14Regular priceSale price $29.14 -
Blue Sea Systems 5025 ST Blade Fuse Block, 6 Circuit with Negative Bus
Vendor:Blue Sea SystemsRegular price $45.83Regular priceSale price $45.83 -
Blue Sea Systems 5026 ST Blade Fuse Block, 12-Circuit with Negative Bus and Cover
Vendor:Blue Sea SystemsRegular price $58.31Regular priceSale price $58.31 -
Blue Sea Systems 5028 ST Blade Fuse Block, 6-Circuit
Vendor:Blue Sea SystemsRegular price $39.77Regular priceSale price $39.77 -
Blue Sea Systems 5031 ST Blade Fuse Block, 12-Circuit with Negative Bus
Vendor:Blue Sea SystemsRegular price $65.57Regular priceSale price $65.57 -
Blue Sea Systems 5037 ST Blade Fuse Block, 6-Circuit
Vendor:Blue Sea SystemsRegular price $45.09Regular priceSale price $45.09 -
Blue Sea Systems 5050 ST CLB 6-Position Circuit Breaker Block
Vendor:Blue Sea SystemsRegular price $58.31Regular priceSale price $58.31 -
Blue Sea Systems 5051 ST CLB 12-Position Circuit Breaker Block
Vendor:Blue Sea SystemsRegular price $95.15Regular priceSale price $95.15 -
Blue Sea Systems 5052 ST CLB Circuit Breaker Block, 6-Position with Negative Bus
Vendor:Blue Sea SystemsRegular price $74.77Regular priceSale price $74.77 -
Blue Sea Systems 5054 ST CLB 12-Position Circuit Breaker Block with Negative Bus
Vendor:Blue Sea SystemsRegular price $127.29Regular priceSale price $127.29 -
Blue Sea Systems 5056 ST-Blade Water Resistant Fuse Block with Cover
Vendor:Blue Sea SystemsRegular price $53.61Regular priceSale price $53.61 -
Blue Sea Systems 5056100 Water-Resistant ST-Blade Fuse Block with Cover
Vendor:Blue Sea SystemsRegular price $44.21Regular priceSale price $44.21 -
Blue Sea Systems 5060 Crimpable Inline Fuse Holder for AGC/MDL Fuses
Vendor:Blue Sea SystemsRegular price $8.15Regular priceSale price $8.15 -
Blue Sea Systems 5063 Heavy Duty Inline Fuse Holder for AGC/MDL Fuses
Vendor:Blue Sea SystemsRegular price $6.58Regular priceSale price $6.58 -
Blue Sea Systems 5064 In-Line Fuse Holder for ATO/ATC Fuses
Vendor:Blue Sea SystemsRegular price $6.97Regular priceSale price $6.97 -
Blue Sea Systems 5065 Waterproof In-Line ATO/ATC Fuse Holder
Vendor:Blue Sea SystemsRegular price $9.71Regular priceSale price $9.71 -
Blue Sea Systems 5068 MAXI In-Line Fuse Holder
Vendor:Blue Sea SystemsRegular price $30.10Regular priceSale price $30.10 -
Blue Sea Systems 50A MIDI/AMI Fuse, 2-Pack
Vendor:Blue Sea SystemsRegular price $8.15Regular priceSale price $8.15 -
Blue Sea Systems 5102 MEGA/AMG Fuse, 125 Amp
Vendor:Blue Sea SystemsRegular price $10.50Regular priceSale price $10.50 -
Blue Sea Systems 5103 MEGA/AMG Fuse, 150 Amp
Vendor:Blue Sea SystemsRegular price $10.50Regular priceSale price $10.50 -
Blue Sea Systems 5104 MEGA/AMG Fuse, 175 Amp
Vendor:Blue Sea SystemsRegular price $10.50Regular priceSale price $10.50 -
Blue Sea Systems 5105 MEGA/AMG Fuse, 200 Amp
Vendor:Blue Sea SystemsRegular price $10.50Regular priceSale price $10.50 -
Blue Sea Systems 5107 MEGA/AMG Fuse, 250 Amp
Vendor:Blue Sea SystemsRegular price $10.50Regular priceSale price $10.50 -
Blue Sea Systems 5112 Class T Fuse, 110A
Vendor:Blue Sea SystemsRegular price $65.37Regular priceSale price $65.37
Buying guide
Electrical buying guide
Use this collection for wire, terminals, protection, switching, charging, and battery-related parts for marine and RV electrical projects.
How to choose
- Confirm voltage, current draw, wire gauge, fuse or breaker rating, terminal type, and environmental exposure.
- For chargers, battery gear, inverters, and shore power, compare input/output ratings and installation requirements.
- Use qualified installation help where the job involves system design, high current, AC shore power, or safety-critical wiring.
Common product types
- Wire, terminals, switches and accessories, circuit breakers, wire management, accessories, fuse blocks, fuses, busbars, and battery gear.
Common brands here
- Blue Sea Systems, Ancor, Pacer, Sea-Dog, BEP Marine, Bluewater, Scanstrut, and Egis Mobile Electric.
Can Tug & Tow design my electrical system?
No. Product pages help compare parts, but system design and installation should follow manufacturer guidance and qualified help when needed.
What specs should I check before buying wire or terminals?
Gauge, conductor type, insulation, length, terminal size, material, heat rating, and the environment where the part will be used.
What matters for chargers and battery products?
Voltage, amperage, chemistry support, bank count, input power, mounting location, and manufacturer installation requirements.