This sale is for an obsolete COMMANDER TYPE BQL 40 AMP, 2 POLE, 240 VOLT CIRCUIT BREAKER for use with QM or QL Commander and Cutler-Hammer Loadcenters and Enclosures (CAT No. BQL240, 120/240V, 40ºC, CU/AL) ~ please feel free to email your questions or requests for more information.