Comparison : Item # M3D2502, Ex9 Series M3D Bus Bar Connection 2 Poles, 250 Ampere (A) Current Molded Case Switch
Item # M3D4002, Ex9 Series M3D Bus Bar Connection 2 Poles, 400 Ampere (A) Current Molded Case Switch
Item # M3D2502L, Ex9 Series M3D Lug Line/Load Side Connection 2 Poles, 250 Ampere (A) Current Molded Case Switch
Item # M3D4002L, Ex9 Series M3D Lug Line/Load Side Connection 2 Poles, 400 Ampere (A) Current Molded Case Switch
Item # M3D2503, Ex9 Series M3D Bus Bar Connection 3 Poles, 250 Ampere (A) Current Molded Case Switch