12 Volt 400 Amp Battery Disconnect Switch, Cut Off Kill Switch With 1 Key for RV, Vehicle, Boat, Quick Cut Off Switch for 400 Amps Current

Helps prevent battery drain when storing & repairing cars/trucks. Provides the most effective way to avoid auto theft
Cut off power on racing cars & prevent fire. Durable brass terminals, nuts & washers
Rust & corrosion resistant, Solid brass nuts and washers
1/4" X 3/4" Studs, 2x 3/16" mounting holes,5/16" brass terminals
High Capacity: 400 AMPS. 1 Removable keys included

Specification:
Working Voltage: 60V DC
Current Rating: 400Amps
Electrical life: 10000 cycles
Rated current and voltage: 300A 60V DC 
Contact resistance: 50m?
Insulation resistance: 100M?
Dielectric strength: 1500VAC / 1min 
Size: Dia 59mm(2.3inch)xH101mm(4inch)