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BLUE SEA SYSTEMS

Blue Sea Systems – Marine, Leisure & DC Electrical Products

Shop our range of Blue Sea Systems products at Order Electrical, including specialist DC circuit protection, battery management, power distribution, switching and electrical connection products for marine, leisure and specialised vehicle applications.

Blue Sea Systems is well known for electrical components designed for demanding DC electrical circuits and power systems. The extensive product range provides solutions for boats, yachts, motorhomes, campervans, caravans, leisure vehicles and other specialist DC electrical installations.

Our range includes fuses, fuse blocks, fuse holders, terminal fuse blocks and circuit breakers, providing essential circuit protection for compatible DC electrical systems. These products help protect wiring and connected equipment against electrical faults when correctly specified and installed.

For battery and high-current DC applications, Blue Sea Systems offers battery switches, battery isolators, busbars, power distribution components and Automatic Charging Relays (ACRs). These products provide practical solutions for isolating batteries, managing multiple battery banks and distributing power between circuits and electrical loads.

The wider range also includes electrical panels, switches, terminals, connectors and other power connection accessories, making Blue Sea Systems a strong choice for building, upgrading or maintaining complete 12V and 24V DC electrical systems.

Blue Sea Systems products are particularly relevant to marine and leisure applications, where reliable DC circuit protection, battery switching and power distribution are essential. They can be used across applications ranging from individual accessory circuits through to more comprehensive battery and DC distribution systems.

When choosing a Blue Sea Systems product, consider the DC system voltage, current rating, fuse or circuit protection requirements, cable and connection size, battery configuration and intended application to ensure the component is correctly matched to the electrical system.

Browse our Blue Sea Systems Marine, Leisure & DC Electrical Products below to find circuit protection, fuses, fuse blocks, battery switches, busbars, relays, power distribution and electrical connection products for your installation.

 
 
 

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BLUE SEA SYSTEMS 250A TERMINAL FUSE - PINK

BLUE SEA SYSTEMS 250A TERMINAL FUSE - PINK

SKU: 5189

£13.02

incl VAT (Each)
BLUE SEA SYSTEMS 300A TERMINAL FUSE - GREY

BLUE SEA SYSTEMS 300A TERMINAL FUSE - GREY

SKU: 5190

£13.50

incl VAT (Each)
BLUE SEA SYSTEMS  ST BLADE BATTERY TERMINAL MOUNT FUSE BLOCK

BLUE SEA SYSTEMS ST BLADE BATTERY TERMINAL MOUNT FUSE BLOCK

SKU: 5023

£24.60

incl VAT (Each)
BLUE SEA SYSTEMS TERMINAL BLOCK, 30A - 6 CIRCUITS

BLUE SEA SYSTEMS TERMINAL BLOCK, 30A - 6 CIRCUITS

SKU: 2506

£6.79

incl VAT (Each)
BLUE SEA SYSTEMS  ST BLADE COMPACT FUSE BLOCK 8 CIRCUITS WITH COVER - FUSES NOT INCLUDED

BLUE SEA SYSTEMS ST BLADE COMPACT FUSE BLOCK 8 CIRCUITS WITH COVER - FUSES NOT INCLUDED

SKU: 5046

£49.81

incl VAT (Each)
BLUE SEA SYSTEMS ST BLADE FUSE BLOCK - 6 CIRCUITS WITH GROUNDING & COVER

BLUE SEA SYSTEMS ST BLADE FUSE BLOCK - 6 CIRCUITS WITH GROUNDING & COVER

SKU: 5025

£38.95

incl VAT (Each)
BLUE SEA SYSTEMS ST BLADE FUSE BLOCK 6 CIRCUIT INDEPENDENT WITH COVER

BLUE SEA SYSTEMS ST BLADE FUSE BLOCK 6 CIRCUIT INDEPENDENT WITH COVER

SKU: 5035

£42.78

incl VAT (Each)
BLUE SEA SYSTEMS ST BLADE BATTERY TERMINAL MOUNT FUSE BLOCK KIT

BLUE SEA SYSTEMS ST BLADE BATTERY TERMINAL MOUNT FUSE BLOCK KIT

SKU: 5024

£37.55

incl VAT (Each)
BLUE SEA SYSTEMS FUSE BOX, ST BLADE, 12 CIRCUITS C/W GROUNDING COVER (NO RETAIL PACKAGING)

BLUE SEA SYSTEMS FUSE BOX, ST BLADE, 12 CIRCUITS C/W GROUNDING COVER (NO RETAIL PACKAGING)

SKU: 5026B

£52.99

incl VAT (Each)
BLUE SEA SYSTEMS EASY ID FUSE ATC KIT 31pcs

BLUE SEA SYSTEMS EASY ID FUSE ATC KIT 31pcs

SKU: 5290

£54.00

incl VAT (Each)
BLUE SEA SYSTEMS  METER MINI OLED DC VOLTAGE

BLUE SEA SYSTEMS METER MINI OLED DC VOLTAGE

SKU: 1733

£45.98

incl VAT (Each)
BLUE SEA SYSTEMS 12VDC DASH SOCKET

BLUE SEA SYSTEMS 12VDC DASH SOCKET

SKU: 1011

£12.46

incl VAT (Each)
BLUE SEA 12/24VDC DUAL 4.8A USB CHARGERS - SOCKET MOUNT

BLUE SEA 12/24VDC DUAL 4.8A USB CHARGERS - SOCKET MOUNT

SKU: 1045

£42.50

incl VAT (Each)
BLUE SEA SYSTEMS WATER RESISTANT ACCESSORY PANEL 12 VOLT, USB

BLUE SEA SYSTEMS WATER RESISTANT ACCESSORY PANEL 12 VOLT, USB

SKU: 4363

£54.08

incl VAT (Each)
BLUE SEA SYSTEMS m-SERIES MINI DUAL CIRCUIT BATTERY SWITCH, RED

BLUE SEA SYSTEMS m-SERIES MINI DUAL CIRCUIT BATTERY SWITCH, RED

SKU: 6010

£53.10

incl VAT (Each)
BLUE SEA SYSTEMS m-SERIES, MINI ON-OFF BATTERY SWITCH WITH KNOB (NO RETAIL PACKAGING)

BLUE SEA SYSTEMS m-SERIES, MINI ON-OFF BATTERY SWITCH WITH KNOB (NO RETAIL PACKAGING)

SKU: 6006

£28.94

incl VAT (Each)
BLUE SEA SYSTEMS m-SERIES MINI DUAL CIRCUIT PLUS BATTERY SWITCH

BLUE SEA SYSTEMS m-SERIES MINI DUAL CIRCUIT PLUS BATTERY SWITCH

SKU: 6011

£49.80

incl VAT (Each)
BLUE SEA SYSTEMS HD SERIES HEAVY DUTY ON-OFF BATTERY SWITCH (NO RETAIL PACKAGING)

BLUE SEA SYSTEMS HD SERIES HEAVY DUTY ON-OFF BATTERY SWITCH (NO RETAIL PACKAGING)

SKU: 3000B

£69.72

incl VAT (Each)
BLUE SEA SYSTEMS e-SERIES SELECTOR BATTERY SWITCH - 4 POSITION (NO RETAIL PACKAGING)

BLUE SEA SYSTEMS e-SERIES SELECTOR BATTERY SWITCH - 4 POSITION (NO RETAIL PACKAGING)

SKU: 9001E

£44.27

incl VAT (Each)
BLUE SEA SYSTEMS E SERIES ON OFF BATTERY SWITCH   -   (NO RETAIL PACKAGING)

BLUE SEA SYSTEMS E SERIES ON OFF BATTERY SWITCH - (NO RETAIL PACKAGING)

SKU: 9003E

£44.70

incl VAT (Each)
BLUE SEA SYSTEMS BATTERY SWITCH e-SERIES 4 POSITION RED WITH AFD

BLUE SEA SYSTEMS BATTERY SWITCH e-SERIES 4 POSITION RED WITH AFD

SKU: 9002E

£60.34

incl VAT (Each)

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Delivery Information

Please Note: This product has a leadtime of 1 - 3 days, therefore it may take longer to arrive.

You can still order this product by closing this popup and adding your item to the basket again.