From the ManufacturerThis 120/240 volt UL Classified 'Interchangeable' 15 amp, double pole replacement circuit breaker is used in Challenger, General Electric, Murray, Siemens, Thomas & Betts or Westinghouse load centers. Typical applications, up to 8,800 watts, include electric baseboard heat, fan forced heat and 240 volt air conditioners (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.