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🔴 Master your power with Blue Sea’s ultimate battery switch — rugged, reliable, ready.
The Blue Sea Systems 350 Amp E-Series Battery Switch offers a single-circuit ON-OFF control with integrated alternator field disconnect, designed for marine and vehicle use. Rated for 350 amps continuous at up to 48V DC, it features IP66 waterproofing, ignition protection, and tin-plated copper terminals for secure, low-resistance connections. Its compact design supports flexible mounting options, making it ideal for tight installations while meeting ISO 8846 and ABYC standards.
| ASIN | B000FOW1C6 |
| Actuator Type | Push Button |
| Best Sellers Rank | #127,398 in Sports, Fitness & Outdoors ( See Top 100 in Sports, Fitness & Outdoors ) #100 in Electrical Equipment Battery Switches |
| Brand | Blue Sea Systems |
| Brand Name | Blue Sea Systems |
| Circuit Type | 1-way |
| Colour | Red |
| Compatible Devices | Boats |
| Compatible with Vehicle Type | Boat |
| Connectivity Protocol | Wi-Fi |
| Connector Type | Screw Terminals |
| Control Method | Push Button |
| Control Type | Rotary |
| Controller Type | Rotary |
| Current Rating | 350 Amps |
| Customer Reviews | 4.4 out of 5 stars 24 Reviews |
| Global Trade Identification Number | 00632085900458 |
| Included Components | Battery Switch ON/Off AFD, Red |
| International Protection Rating | IP66 |
| Item Dimensions | 10.2 x 10.2 x 6.4 Centimeters |
| Item Type Name | Blue Sea Systems - 9004e Battery Switch ON/Off AFD, Red |
| Item Weight | 408 g |
| Lower Temperature Rating | 40 Degrees Celsius |
| Manufacturer | Blue Sea Systems |
| Material Type | Plastic |
| Model Number | 9004e |
| Mounting Type | Panel Mount, Surface Mount |
| Number of Items | 1 |
| Number of Positions | 2 |
| Operating Voltage | 48 Volts (DC) |
| Operation Mode | Off,On-off |
| Part Number | 9004e-BSS |
| Specification Met | iso |
| Switch Type | Rotary |
| Terminal | Plug In, Clamp, Crimp |
| UPC | 632085900458 061438745130 902228176232 632085090043 |
| Upper Temperature Rating | 85 Degrees Celsius |
| Wattage | 16800 Watts |
B**S
Nearly perfect. Switch feels solid
Nearly perfect. Switch feels solid, and is perfect for a master disconnect for my Jeep's winch. The winch's electrical ring terminal wasn't quite large enough to fit on this these big lugs, so I had to drill it out slightly. Works great. I do wish it had a detachable cover for the back, to protect from shorting to nearby metal on a vehicle, but if you mount it securely, this is not a big concern.
D**D
Not quite...
Too large for the available space. Could easily be much smaller.
A**R
Good Product
Good Product
C**B
Just as advertised..
worked perfect and fast shipping
Trustpilot
3 days ago
1 week ago