This 120/240 volt Federal Pacific Electric 50 amp, double pole, thick series replacement circuit breaker is used in a Federal Pacific load center. Typical applications, up to 22,000 watts, include electric ranges (15 KW - 21 KW), electric ovens and central residential air conditioners (240 Volt, up to 23,000 BTU). These are only suggested applications and cannot assure compliance with all local codes. Please check local electrical codes before starting any electrical project.