Blue Sea Systems e-Series On-Off Battery Switch with AFD
Model: 9004E-BSS- 350 Amps continuous rating for inboard gasoline or diesel engines.
 - Tin-plated copper studs for maximum conductivity and corrosion resistance
 - Accepts up to 4/0 AWG battery cables
 - Studs accepts 3/8" (M10) ring terminals
 - 7/8" (22mm) stud length accepts multiple cable terminals
 - Blue Sea Systems one-piece terminal stud design never loosens over time
 - Fits most Perko and Guest low amperage battery switch hole patterns
 - Case design allows surface or rear panel mounting
 - Tactile indicator conveys knob position by feel
 - Waterproof — rated IP66 from water projected in powerful jets
 - Ignition protected—safe for installation aboard gasoline powered boats
 - Includes AFD (Alternator Field Disconnect)
 
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) |