Auto-Reset Blade Protection for 12 V Systems: The ACB2-PL
Minimize downtime and keep vehicles or equipment online with OptiFuse’s ACB2-PL a Type I (automatic reset), blade-style circuit breaker designed to drop into ATO/ATC fuse locations while adding the convenience of automatic reset. Universal, scored blades make fit-up simple when terminal length is unknown, and conformance to SAE J553 ensures dependable performance in demanding environments.
Highlights
- Type I Auto-Reset: Automatically recovers after a fault clears
- Voltage / Current Ratings: 14 VDC (note: 12VDC @ 40A); 5 A to 40 A range covers common loads
- Universal blade terminals
- SAE J553 compliant for automotive blade-style circuit breaker requirements
- Retail packs available for service counters and MRO kits.
Typical Applications
- Automotive, light & heavy-duty vehicle accessory circuits
- Marine & RV distribution panels and add-on upfits
- Fleet/MRO environments where quick resets reduce service calls
- Field-service tools, pumps, winches, lighting, and controllers requiring ATO/ATC form factor.
Why Choose the ACB2-PL?
If you’re swapping standard blade fuses and suffering unnecessary call-outs, ACB2-PL brings resettable convenience without re-engineering the harness. Its Type I auto-reset behavior helps restore operation once the overload clears. For drop-in replacements and upfits see Can I Replace a Fuse with a Circuit Breaker? And What Causes Breakers to Trip? for troubleshooting and coordination context.
To ensure you select the best protection for your application, see our Circuit Protective Device Selection Guide for complete context.
Sebastian Castañeda, Application Engineer at OptiFuse, supports customers with technical solutions, custom circuit protection design, and training. He provides tailored guidance and shares expert insights on the OptiFuse Blog.