Blue Sea E-Series Battery Switch On-Off With AFD

Blue Sea Systems e-Series On-Off Battery Switch with AFD

Model: 9004E-BSS
This switch is a top - notch choice for inboard gasoline or diesel engines. It has a 350 - amp continuous rating, which means reliable power delivery. The tin - plated copper studs offer excellent conductivity and resist corrosion well. It can accept up to 4/0 AWG battery cables, and the 3/8' (M10) ring terminals fit nicely on the studs. With a 7/8' (22mm) stud length, it can handle multiple cable terminals. The one - piece terminal stud design from Blue Sea Systems stays tight over time. It fits most Perko and Guest low - amperage battery switch hole patterns. You can mount it on the surface or rear panel. The tactile indicator lets you feel the knob position. It's waterproof (rated IP66 against powerful water jets) and ignition - protected, making it safe for gasoline - powered boats. It comes with AFD (Alternator Field Disconnect) and switches a single battery to a single load group.
Specifications
Switch Type: Single Circuit ON - OFF
Color: Red
Switch Positions: 2
Battery Combine: No
Alternator Field Disconnect: Yes
Maximum Voltage: 48V DC
Terminal Stud Torque: 140 in - lb (15.82 Nm)
Continuous Rating: 350A
Intermittent Rating: 600A (5 min)
Cranking Rating 30 sec: 1200A per circuit
Battery Inputs: 1
Cable Clearance For 4/0 AWG Cables: 1.10in (27.94 mm)
Cable Size to Meet Ratings: 4/0 AWG (120mm)
Mounting Holes: Accept 1/4' (M6) Screw
Stud Material: Tinned Copper
Terminal Stud Size: 3/8' - 16 (M10)

Using this Blue Sea E - Series battery switch is easy. First, make sure your engine is turned off. Then, connect the 4/0 AWG battery cables to the tin - plated copper studs. You can choose to mount it on the surface or the rear panel using the 1/4' (M6) screws. Once installed, you can use the tactile indicator to feel the position of the knob to turn the battery on or off. For safety, since it's ignition - protected, it's suitable for gasoline - powered boats. But always double - check your connections. When it comes to maintenance, regularly inspect the tin - plated copper studs for any signs of corrosion. If you notice any, clean them gently. Also, check the terminal stud torque every few months to ensure it stays at 140 in - lb (15.82 Nm). This will help keep your switch working properly and ensure a reliable power supply for your engine.