The moisture meter can quickly measure the moisture content of the grain. 1. premium material: The battery switch is made of high quality ABS and nickel-plated red copper, rust-resistant, durable and durable. 2. Function: The "short-circuit before interruption" contact design allows you to switch between battery packs without interrupting power, with AFD. 3. Excellent performance: good electrical conductivity, IP66 waterproof, prevents strong water spraying, with ignition protection, it is safe and reliable. 4. Simple installation: installation is simple, mounting holes adopt 1/4 inch (M6) screw, 1/2 inch (M12) clamp pin, convenient to use, save effort. 5. Wide application: continuous rated value of 500 A suitable dla outboard engines and small gasoline or diesel engines, ideal do motorhomes or boats. Specification: Item Type: Battery Switch Material: ABS, nickel-plated red copper Switch Type: Heavy Duty Selector 4-Position Battery Switch with AFD Switch Positions: 4 (OFF-1-2-1 + 2) Battery combination: yes Alternator Field Disconnection: Yes Maximum voltage: 32 V DC Twisting of the clamping pin: 220 in-lb (24,86 Nm) Start-up rating 30 s: 1600A Battery Inputs: 2 dla cables 4/0 AWG: Approx. mm /1.10 inch Number of cables to meet the requirements: two cables or terminal Cable size according to rated values: 4/0 AWG (120 mm²) Mounting holes: Accept 1/4 inch (M6) screw. Stud Material: Tin Plated Copper Clamp pin size: 1/2 inch (M12) Function: Make before break contact design allows you to switch between batteries without interrupting power supply Application: Ideal dla Marine or RV ⭕List of packages: 1 x battery disconnector 4 x fixing screw