Description
ST Blade Compact Fuse Blocks – 4 Circuits w/Cover
Provides surface mount circuit protection for ATO®/ATC® Fuses in a compact footprint. The single side design allows wire entry from one side to maximize space.
- Compact common source fuse block
- Accepts ATO® and ATC® fast acting blade fuses
- Single side entry wiring
- Ignition Protected-meets ISO 8846 and SAE J1171 for use in a gasoline engine compartment
- Insulating cover meets ABYC/USCG insulation requirements
- Tin-plated copper buses and fuse clips
- Accepts ring or snap fork type terminals
- Small format standard and custom labels available
Specifications
- Circuits:4
- Maximum Amperage: 100A per block / 30A per circuit
- Maximum Voltage:32V DC
- Mounting:8 Screw (M4)
- Screw Terminal Torque:8-32 Screws with captive star lock washer in-lb (0 Nm)
WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
Specifications:
- Fuse Type: ATO/ATC
- Type: Fuse Blocks
- Box Dimensions: 2″H x 3″W x 8″L WT: 0.5 lbs
- UPC: 632085050450

![Blue Sea 5045 ST Blade Compact Fuse Blocks - 4 Circuits w /Cover [5045]](https://www.bestmarinebattery.com/wp-content/uploads/2026/08/blue-sea-5045-st-blade-compact-fuse-blocks-4-circuits-w-cover-5045.webp)

![Blue Sea 5056100 - Water Resistant ST-Blade Fuse Block w/Cover [5056100]](https://www.bestmarinebattery.com/wp-content/uploads/2026/08/blue-sea-5056100-water-resistant-st-blade-fuse-block-w-cover-5056100.webp)
![T-Spec VMANL Mini-ANL Fuse Holder - 4 to 8 AWG [VMANL]](https://www.bestmarinebattery.com/wp-content/uploads/2026/08/t-spec-vmanl-mini-anl-fuse-holder-4-to-8-awg-vmanl.webp)
![T-Spec VDMANL DUAL Mini-ANL Fuse Holder - 1/0 to 4/8 AWG [VDMANL]](https://www.bestmarinebattery.com/wp-content/uploads/2026/08/t-spec-vdmanl-dual-mini-anl-fuse-holder-1-0-to-4-8-awg-vdmanl.webp)
![T-Spec V8 Series 80 AMP ANL Fuse - 2 Pack [V8-ANL80]](https://www.bestmarinebattery.com/wp-content/uploads/2026/08/t-spec-v8-series-80-amp-anl-fuse-2-pack-v8-anl80.webp)
![Victron Lynx Shunt VE. Can [LYN040102100]](https://www.bestmarinebattery.com/wp-content/uploads/2026/08/victron-lynx-shunt-ve-can-lyn040102100.webp)
![Balmar Communication Cable SG2320 (N2K)SG240 (RB-C) M12 - 12" [SG2-0405]](https://www.bestmarinebattery.com/wp-content/uploads/2026/08/balmar-communication-cable-sg2320-n2k-sg240-rb-c-m12-12-sg2-0405.webp)
![T-Spec VMANL1 Mini-ANL Fuse Holder - 1/0 to 4 AWG [VMANL1]](https://www.bestmarinebattery.com/wp-content/uploads/2026/08/t-spec-vmanl1-mini-anl-fuse-holder-1-0-to-4-awg-vmanl1.webp)