Blue Sea Systems ST-Blade Fuse Blocks
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Blue Sea Systems ST-Blade fuse blocks offer a versatile line of ATO/ATC blade-fuse distribution products for marine and automotive electrical systems. Common features across the line include tin-plated copper buses and fuse clips, screw terminals that accept ring or spade terminals, and design options for 4, 6, 8 or 12 circuits. Models are offered with clear insulating covers (cover designs meet ABYC/USCG insulation requirements and often include label recesses, push-button latches and spare-fuse storage), or without covers for install flexibility; some compact models provide single-side wiring and ignition protection when the cover is secure. Configurations include negative-bus, split-bus, independent circuits, terminal-mount versions that attach to battery studs, and surface-mount compact blocks. Units commonly specify max 32V DC, ~30A per circuit (with block ratings around 100A), and note that fuses are sold separately. Corrosion-resistant, tin-plated copper clips and buses improve conductivity and durability for harsh environments.
Specifications:
| Materials & Construction | |
| Outer Material | Synthetic |
| Product Details | |
| Circuits | 4 |
| Current Rating | 100 Amps |
| Number Of Contacts | 4 |
| Style | ST-Blade |
| Type | Fuse Blocks |
| Sizing & Dimensions | |
| Weight | 2.2 ounces |
| Technical Specifications | |
| Country of Origin | China |
| Maximum Amperage | 100A per block, 30A per circuit |
| Mounting Clearance | Clearance for 3/8" [M10] stud |
| Proposition 65 Warning | True |
| Screw Terminal Type | #8-32 Screws with captive star lock washer |
| Voltage | 32 Volts (DC) |
