The Eaton Cutler-Hammer 20-Amp Double-Pole Type BR Circuit Breaker is compatible with Westinghouse, Challenger, and Bryant BR-Style or Series Panels / Load centers.
Switching duty rating, 2" per breaker, 120/240 volts, AC. 10,000 A interupting rating. Thermal magnetic 40 degrees Celsius. Interchangeable will replace: New General Electric, Murray, ITE (except Pushmatic), Bryant, General, American, Crouse-Hinds, Sylvania, Challenger and Westinghouse Type BR.