Affordable Federal Pacific NA240 – 40A 2 Pole Miniature Circuit Breaker

Finding the right fit for discontinued panelboards is critical, and this 40-amp miniature circuit breaker offers an exact match. It mounts into classic Federal Pacific Stab-Lok enclosures, restoring safe power distribution without requiring complex adapter kits. The two-pole, full-size design features a standard 10kAIC interrupt rating and reliable common trip functionality. It acts as a direct substitute for older NA series hardware and replaces the UBIF240N aftermarket alternative.