This auction is for a SIEMENS (ITE) 100 AMP, 2 POLE, 240 VOLT 'MAIN' PLUG-ON CIRCUIT BREAKER for use with Siemens, ITE 'Type Q, QP or EQ-P' Enclosures and LoadCenters (Cat No. Q2100, 120/240V, 40ºC, CU/AL).~ please feel free to email your questions or requests for more information.