Blue Sea 1991 PowerBar 1000

Blue Sea 1991 — PowerBar 1000 (12 × 3/8 Studs with Insulating Cover)

The upgrade pick for high-current bus bars in van, RV, and off-grid electrical systems. 1000A continuous rating — enough for the largest LiFePO4 banks and biggest inverter systems you'll ever build.

Key Features

• 12 × 3/8 threaded studs — more landing points than the PowerBar 8-stud
• 1000A continuous rating — future-proof for system expansion
• Clear insulating cover included — protects against accidental shorts, meets ABYC safety requirements
• Tin-plated copper construction
• Mounting hardware included

When to Pick This Over the 2107

Choose the PowerBar 1000 if you're running 300A+ of simultaneous load (big inverters, multiple DC chargers, large parallel battery banks) or if you want the insulating cover for code compliance. Overkill for basic builds; exactly right for serious ones.

Designing a high-current system? Use our free System Build Helper to plan your complete electrical layout — cable sizing, bus bar placement, fuse locations.