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🔋 Switch Smart, Live Confident: Power your ride with safety and style!
The Blue Sea Systems BS9003E is a high-performance battery switch designed for demanding petrol and diesel engines, delivering 350 Amps continuous current. Featuring durable one-piece tinned copper terminals and advanced AFD technology, it allows safe switching under load without risking alternator damage. With IP66 protection and versatile mounting options, it’s engineered for reliability and ease of use in marine and automotive environments.


| ASIN | B000MMC914 |
| Actuator Type | Push Button |
| Best Sellers Rank | 125,169 in Automotive ( See Top 100 in Automotive ) 11 in Boat Battery Switches 323 in Car Battery Switches |
| Brand | Blue Sea Systems |
| Circuit Type | 1-way |
| Colour | Multi-coloured |
| Compatible Devices | Petrol and diesel indoor engines, rugged/industrial devices, devices with 350 Amp continuous power and 48-volt operating voltage |
| Compatible with Vehicle Type | Boat, RV, Recreational Vehicle |
| Connectivity Protocol | X-10 |
| Connector Type | IDC |
| Contact Material | Metal |
| Contact Type | Normally Open |
| Control Method | Touch |
| Control Type | Direct |
| Controller Type | Ring |
| Country Of Origin | USA |
| Current Rating | 350 Amps |
| Customer Reviews | 4.8 4.8 out of 5 stars (674) |
| Global Trade Identification Number | 00632085900359 |
| Included Components | Components included in the description |
| International Protection Rating | IP66 |
| Item Dimensions | 7.4 x 16.2 x 21.9 centimetres |
| Item Type Name | Switch battery series e on/off |
| Item Weight | 0.59 Kilograms |
| Manufacturer | Blue Sea Systems |
| Manufacturer Part Number | 9003e |
| Material | Plastic |
| Model Number | 9003e |
| Mounting Type | Flush-mounted or surface mounted |
| Number of Items | 1 |
| Number of Positions | 2 |
| Operating Voltage | 48 Volts |
| Operation Mode | ON-OFF |
| Smart Home Compatibility | Not Smart Home Compatible |
| Specification Met | ABYC, ISO 8846, IP66 |
| Switch Type | Push Button |
| Terminal | Stud |
| UPC | 632085900359 |
| Unit Count | 1.0 count |
| Upper Temperature Rating | 1 Degrees Fahrenheit |
| Wattage | 16800 watts |
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