Manufactured by cutler hammer. Type ch circuit breaker; 2-pole; 40 amp; 10 kaic; 120/240 va
3/4" per pole, 120/240 Volts ac. 10,000 AIC. Quick make, quick break switch, inverse time element tripping operation and trip free handle. Thermal-magnetic trip curve. #14 - 8 wire range 15 to 30 amp, #14 - 2 wire range 40 to 70 amp, #10 - 1/0 wire range100 amp. U.L. Listed, HACR rated, meets NEMA standards and Federal Specifications, CSA certified.