Description: Surface Mount, protective stud insulator included. Housing is thermalplastic UL rated 94V0 Automatic Reset Circuit Breaker Can also be used as an on/off button switch for the battery Ideal for marine boats,caravan, motorhome,etc. Specification: Compact and lightweight design,Meet S.A.E. J1625, J1171, UL1500 (Ignition Protected) Single pole,thermal device Rating: 25-250A T1@32V DC Interrupt Capacity: 25-150A 3KA@32VDC,180-300A 2.5KA@14vdc eNDURANCE FOR e9_123: 500 cycles, 200% 14Vdc Splash and dust proof at IP67 GRADE. Operating Temperature: -32C to 82C (-25F to 180F) Storage Temperature: -34C to 149C (-30F to 300F) Stud Size:3/8"-16 threads per inch. Torque rating: 50in-lb(5.6Nm)max. Meet S.A.E. J1625, J1171, UL1500 (Ignition Protected) Automatic reset,rate up to 32V DC Package Includes: 1 Piece 300 Amp Circuit Breaker with Automatic Reset