Blue Sea Systems 5056 ST Blade Water Resistant Fuse Block with Cover

The Blue Sea Systems 5056 ST-Blade Water Resistant Fuse Block provides reliable circuit protection for marine and automotive applications in a compact, space-saving design. This 4-position fuse block accepts ATO/ATC fast-acting blade fuses and low-profile circuit breakers, featuring a water-resistant construction that meets ABYC/USCG insulation requirements.

Key Features:

• Water-resistant design protects against moisture in harsh marine environments
• Single-side nesting configuration allows wire entry from one side to maximize installation space
• Accepts standard ATO and ATC fast-acting blade fuses plus ATO/ATC-style low-profile circuit breakers
• Standard ring or fork terminals enable simple wiring with common tools
• Tin-plated copper C11000 busses and fuse clips resist corrosion
• Includes 3 wire plugs to maintain water-resistant rating when using fewer than 4 circuits
• Nests with other ST-Blade fuse blocks and 100A bus bars for streamlined installations
• Insulating cover includes spare fuse and fastener storage
• Comes with four write-on circuit labels for easy identification

Specifications:

• Capacity: 80A per block, 25A per circuit
• Maximum Voltage: 32V DC
• Bus Material: Tin-plated copper C11000
• Wire Capacity: (1) 4-8 AWG input, (5) 10-16 AWG load
• Screw Terminals: #8-32 with captive star lock washers
• Mounting: Clearance for 1/4" (6mm) screws

Ideal for marine electrical systems, RVs, and other 12V/24V DC applications requiring protected circuit distribution in wet or damp environments.