Federal Pacific NA140 Stab-Lok Circuit Breaker is a 40A, single-pole (1P) protective device rated for 120/240 VAC. As part of the Stab-Lok family, the NA140 interrupts overcurrent on a single-phase circuit to help prevent damage from overload. With a 40-amp rating for 120/240-volt operation, this breaker is designed for use in circuits that require a 1P Stab-Lok breaker.
