The Federal Pacific NA290 Stab-Lok two-pole circuit breaker is a 90-amp, 240-volt protective device designed to interrupt excess current in electrical circuits. The NA290 designation identifies the two-pole configuration within the Federal Pacific Stab-Lok lineup and specifies its 90 A, 240 V rating. This model is part of the Stab-Lok family of circuit breakers, reflecting the standard electrical characteristics associated with Federal Pacific’s NA290 series.
