Blue Sea Systems 5502100 Class T Fuse Block with Insulating Cover 225-400A

The Blue Sea Systems 5502100 Class T Fuse Block provides fast-acting circuit protection for high-amperage applications including inverters, battery banks, and other marine electronics. This professional-grade fuse block accommodates Class T fuses rated from 225 to 400 amperes and features a protective insulating cover that meets ABYC and USCG safety requirements.

Key Features:

• Four-stud design provides generous clearance around connection points for easy installation of large cable lugs without interference from the fuse
• Insulating cover with breakout slots allows wire access from multiple directions while maintaining required electrical insulation
• Stainless steel terminal studs resist corrosion in harsh marine environments and maintain secure connections under high heat conditions
• Tin-plated copper fuse mounting blocks ensure excellent conductivity and reliable performance
• One-piece stainless steel flange nuts provide safe, vibration-resistant connections
• UL 94-V0 rated base material resists high temperatures and flame spread
• Ignition protected for safe installation in gasoline engine compartments

Technical Specifications:

• Amperage Range: 225-400A (maximum rated load: 320A)
• Voltage Rating: 160V DC maximum
• Cable Capacity: Up to 4/0 AWG
• Terminal Stud Size: 5/16"-18 (M8)
• Fuse Type: Class T
• Ignition Protection: Yes
• Materials: Tin-plated copper blocks, stainless steel studs and hardware, UL 94-V0 base

This fuse block is ideal for protecting high-current DC circuits in marine, RV, and off-grid power systems where reliable overcurrent protection is critical.