Blue Sea Systems is committed to the improvement of marine electrical products and systems, such as panel systems, circuit breakers, connectors, and insulators. Blue Sea wants to satisfy their distributors, dealers and ultimately the retail customer by designing and manufacturing electrical products engineered to withstand the harsh marine environment.
Phone: 360.738.8230
Web: www.bluesea.com
We offer flat rate shipping and can help you locate hard to find items or we can recommend alternatives.
Call us today at 1-414-254-1559 for personalized service and help locating / replacing hard to find marine electrical equipment.
![Blue Sea 6007 m-Series (Mini) Battery Switch Selector Four Position Red [6007]](http://cemarine.com/cdn/shop/products/20505XL_512x512.jpg?v=1547865753)
Save 30%
6007m-Series (Mini) Battery Switch SelectorMake before break contact design allows switching between battery banks without power interruptionSelec...
View full details![Blue Sea 6006200 Battery Switch Mini ON/OFF - Black [6006200]](http://cemarine.com/cdn/shop/products/44192XL_512x512.jpg?v=1547897060)
Save 30%
6006200 - Blackm-Series (Mini) Battery Switch Single Circuit ON/OFF Switches a single battery to a single load group Multiple switches can be use...
View full details![Blue Sea 6006 m-Series (Mini) Battery Switch Single Circuit ON/OFF Red [6006]](http://cemarine.com/cdn/shop/products/25104XL_512x512.jpg?v=1547868032)
Save 30%
6006m-Series (Mini) Battery Switch Single Circuit ON/OFF Switches a single battery to a single load group Multiple switches can be used to manage...
View full details![Blue Sea 6005200 Battery Switch Single Circuit ON-OFF - Black [6005200]](http://cemarine.com/cdn/shop/products/49217XL_512x512.jpg?v=1547908070)
Save 30%
m-Series Mini On-Off Battery Switch with Key - BlackSwitches a single battery to a single load group Ignition protected-safe for installation aboa...
View full details![Blue Sea 6005 m-Series (Mini) Battery Switch Single Circuit ON/OFF [6005]](http://cemarine.com/cdn/shop/products/25103XL_512x512.jpg?v=1547868025)
Save 30%
6005m-Series (Mini) Battery SwitchSingle Circuit ON/OFF Switches a single battery to a single load group Multiple switches can be used to manage ...
View full details![Blue Sea 6004200 Single Circuit ON-OFF w/Locking Key - Black [6004200]](http://cemarine.com/cdn/shop/products/64358XL_512x512.jpg?v=1576632094)
Save 32%
Single Circuit ON-OFF with Locking Key - Black300 Amps continuous rating for outboards and small gasoline or diesel engines Tin-plated copper stud...
View full details![Blue Sea 6004 Single Circuit ON-OFF w/Locking Key - Red [6004]](http://cemarine.com/cdn/shop/products/64357XL_512x512.jpg?v=1576632093)
Save 32%
Single Circuit ON-OFF with Locking Key - Red300 Amps continuous rating for outboards and small gasoline or diesel engines Tin-plated copper studs ...
View full details![Blue Sea 5511e e-Series Dual Circuit Plus Battery Switch [5511e]](http://cemarine.com/cdn/shop/products/20964XL_512x512.jpg?v=1547867961)
Save 30%
5511eDual Circuit Plus Battery Switch CE Marked Ignition protected - Safe for installation aboard gasoline powered boats Case design allows surf...
View full details![Blue Sea 5510E e-Series Dual Circuit Battery Switch [5510e]](http://cemarine.com/cdn/shop/products/20963XL_512x512.jpg?v=1547867954)
Save 30%
5510EDual Circuit Battery Switch CE Marked Ignition protected - Safe for installation aboard gasoline powered boats Case design allows surface o...
View full details![Blue Sea 5503 ANL 750 Fuse Block w/ Cover [5503]](http://cemarine.com/cdn/shop/products/34963XL_512x512.jpg?v=1547881059)
Save 30%
5503 Cover included Accepts 5/16" (M8) ring terminals For use on systems up to 32 Volts DC Swing out design allows replacement of the fuse without...
View full details![Blue Sea 5502100 Class T Fuse Block w/Insulating Cover - 225 to 400A [5502100]](http://cemarine.com/cdn/shop/products/64355XL_512x512.jpg?v=1576632092)
Call for Availabity!
Class T Fuse Block with Insulating Cover - 225 to 400AAllows the use of Class T fuses for fast acting circuit protection of inverters and other el...
View full details![Blue Sea 5502 Fuse Block Class T 225-400 Amp [5502]](http://cemarine.com/cdn/shop/products/34899XL_512x512.jpg?v=1547880974)
Save 30%
Fuse Block Class T 225-400 AMPPart #: 5502Features: Maximum Voltage: 160 Volts DC Maximum Amperage: 400 Amperes DC Maximum Torque: 190 in-lb (21.4...
View full details![Blue Sea 5299 easyID ATC Fuse - 40 Amp [5299]](http://cemarine.com/cdn/shop/products/51746XL_512x512.jpg?v=1547917890)
Save 21%
easyID Fuse 40 AmpeasyID illuminated ATC® blade fuses use Light Emitting Diode (LED) technology to show that a fuse has blown, making them easy t...
View full details![Blue Sea 5298 easyID ATC Fuse - 30 Amp [5298]](http://cemarine.com/cdn/shop/products/51745XL_512x512.jpg?v=1547917883)
Save 21%
easyID Fuse 30 AmpeasyID illuminated ATC® blade fuses use Light Emitting Diode (LED) technology to show that a fuse has blown, making them easy t...
View full details![Blue Sea 5297 easyID ATC Fuse - 25 Amp [5297]](http://cemarine.com/cdn/shop/products/51744XL_512x512.jpg?v=1547917877)
Save 21%
easyID Fuse 25 AmpeasyID illuminated ATC® blade fuses use Light Emitting Diode (LED) technology to show that a fuse has blown, making them easy t...
View full details![Blue Sea 5296 easyID ATC Fuse - 20 Amp [5296]](http://cemarine.com/cdn/shop/products/51743XL_512x512.jpg?v=1547917870)
Save 21%
easyID Fuse 20 AmpeasyID illuminated ATC® blade fuses use Light Emitting Diode (LED) technology to show that a fuse has blown, making them easy t...
View full details![Blue Sea 5295 easyID ATC Fuse - 15 Amp [5295]](http://cemarine.com/cdn/shop/products/51742XL_512x512.jpg?v=1547917861)
Save 21%
easyID Fuse 15 AmpeasyID illuminated ATC® blade fuses use Light Emitting Diode (LED) technology to show that a fuse has blown, making them easy t...
View full details![Blue Sea 5294 easyID ATC Fuse - 10 Amp [5294]](http://cemarine.com/cdn/shop/products/51741XL_512x512.jpg?v=1547917854)
Save 21%
easyID Fuse 10 AmpeasyID illuminated ATC® blade fuses use Light Emitting Diode (LED) technology to show that a fuse has blown, making them easy t...
View full details![Blue Sea 5293 easyID ATC Fuse - 7.5 Amp [5293]](http://cemarine.com/cdn/shop/products/51740XL_512x512.jpg?v=1547917847)
Save 21%
easyID Fuse 7.5 AmpeasyID illuminated ATC® blade fuses use Light Emitting Diode (LED) technology to show that a fuse has blown, making them easy ...
View full details![Blue Sea 5292 easyID ATC Fuse - 5 Amp [5292]](http://cemarine.com/cdn/shop/products/51739XL_512x512.jpg?v=1547917840)
Save 21%
easyID Fuse 5 AmpeasyID illuminated ATC® blade fuses use Light Emitting Diode (LED) technology to show that a fuse has blown, making them easy to...
View full details![Blue Sea 5291 easyID ATC Fuse - 3 Amp [5291]](http://cemarine.com/cdn/shop/products/51738XL_512x512.jpg?v=1547917833)
Save 21%
easyID Fuse 3 AmpeasyID illuminated ATC® blade fuses use Light Emitting Diode (LED) technology to show that a fuse has blown, making them easy to...
View full details![Blue Sea 5290 easyID Fuse Kit [5290]](http://cemarine.com/cdn/shop/products/57280XL_512x512.jpg?v=1576630470)
Save 30%
easyID Fuse KitATC® Fuses Illuminate When BlowneasyID™ illuminated ATC® blade fuses use Light Emitting Diode (LED) technology to show that a fuse ...
View full details![Blue Sea 5260 MIDI/AMI Fuse 200 Amp - Pair [5260]](http://cemarine.com/cdn/shop/products/40596XL_512x512.jpg?v=1547891072)
Save 32%
Fuse MIDI/AMI 200A - PairFeatures: Compact fuse with 200A amperage Tin-plated copped for corrosion resistance Clear cover offers visible indicatio...
View full details![Blue Sea 5259 MIDI/AMI Fuse 175 Amp - Pair [5259]](http://cemarine.com/cdn/shop/products/40595XL_512x512.jpg?v=1547891065)
Save 32%
Fuse MIDI/AMI 175A - PairFeatures: Compact fuse with 175A amperage Tin-plated copped for corrosion resistance Clear cover offers visible indicatio...
View full details![Blue Sea 5258 MIDI/AMI Fuse 150 Amp - Pair [5258]](http://cemarine.com/cdn/shop/products/40594XL_512x512.jpg?v=1547891058)
Save 32%
Fuse MIDI/AMI 150A - PairFeatures: Compact fuse with 150A amperage Tin-plated copped for corrosion resistance Clear cover offers visible indicatio...
View full details![Blue Sea 5257 MIDI/AMI Fuse 125 Amp - Pair [5257]](http://cemarine.com/cdn/shop/products/40593XL_512x512.jpg?v=1547891052)
Save 32%
Fuse MIDI/AMI 125A - PairFeatures: Compact fuse with 125A amperage Tin-plated copped for corrosion resistance Clear cover offers visible indicatio...
View full details![Blue Sea 5256 MIDI/AMI Fuse 100 Amp - Pair [5256]](http://cemarine.com/cdn/shop/products/40592XL_512x512.jpg?v=1547891045)
Save 32%
Fuse MIDI/AMI 100A - PairFeatures: Compact fuse with 100A amperage Tin-plated copped for corrosion resistance Clear cover offers visible indicatio...
View full details![Blue Sea 5255 MIDI/AMI Fuse 80 Amp - Pair [5255]](http://cemarine.com/cdn/shop/products/40591XL_512x512.jpg?v=1547891038)
Save 32%
Fuse MIDI/AMI 80A - PairFeatures: Compact fuse with 80A amperage Tin-plated copped for corrosion resistance Clear cover offers visible indication ...
View full details![Blue Sea 5254 MIDI/AMI Fuse 70 Amp - Pair [5254]](http://cemarine.com/cdn/shop/products/40590XL_512x512.jpg?v=1547891030)
Save 32%
Fuse MIDI/AMI 70A - PairFeatures: Compact fuse with 70A amperage Tin-plated copped for corrosion resistance Clear cover offers visible indication ...
View full details![Blue Sea 5253 MIDI/AMI Fuse 60 Amp - Pair [5253]](http://cemarine.com/cdn/shop/products/40589XL_512x512.jpg?v=1547891024)
Save 32%
Fuse MIDI/AMI 60A - PairFeatures: Compact fuse with 60A amperage Tin-plated copped for corrosion resistance Clear cover offers visible indication ...
View full details![Blue Sea 5252 MIDI/AMI Fuse 50 Amp - Pair [5252]](http://cemarine.com/cdn/shop/products/40588XL_512x512.jpg?v=1547891017)
Save 32%
Fuse MIDI/AMI 50A - PairFeatures: Compact fuse with 50A amperage Tin-plated copped for corrosion resistance Clear cover offers visible indication ...
View full details![Blue Sea 5251 MIDI/AMI Fuse 40 Amp - Pair [5251]](http://cemarine.com/cdn/shop/products/40587XL_512x512.jpg?v=1547891010)
Save 32%
Fuse MIDI/AMI 40A - PairFeatures: Compact fuse with 40A amperage Tin-plated copped for corrosion resistance Clear cover offers visible indication ...
View full details![Blue Sea 5250 MIDI/AMI Fuse 30 Amp - Pair [5250]](http://cemarine.com/cdn/shop/products/40586XL_512x512.jpg?v=1547891003)
Save 32%
Fuse MIDI/AMI 30A - PairFeatures: Compact fuse with 30A amperage Tin-plated copped for corrosion resistance Clear cover offers visible indication ...
View full details![Blue Sea 5246 40A ATO/ATC Fuse [5246]](http://cemarine.com/cdn/shop/products/20502XL_512x512.jpg?v=1547865747)
Save 34%
5246ATO/ATC Fuse40A Fast-acting type fuse ideal for electronic devices Standard circuit protection device for automobiles and trucks Tin-plated...
View full details![Blue Sea 5245 30A ATO/ATC Fuse [5245]](http://cemarine.com/cdn/shop/products/20501XL_512x512.jpg?v=1547865740)
Save 34%
5245ATO/ATC Fuse30A Fast-acting type fuse ideal for electronic devices Standard circuit protection device for automobiles and trucks Tin-plated...
View full details![Blue Sea 5244 25A ATO/ATC Fuse [5244]](http://cemarine.com/cdn/shop/products/20500XL_512x512.jpg?v=1547865732)
Save 34%
5244ATO/ATC Fuse25A Fast-acting type fuse ideal for electronic devices Standard circuit protection device for automobiles and trucks Tin-plated...
View full details![Blue Sea 5243 20A ATO/ATC Fuse [5243]](http://cemarine.com/cdn/shop/products/20499XL_512x512.jpg?v=1547865725)
Save 34%
5243ATO/ATC Fuse20A Fast-acting type fuse ideal for electronic devices Standard circuit protection device for automobiles and trucks Tin-plated...
View full details![Blue Sea 5242 15A ATO/ATC Fuse [5242]](http://cemarine.com/cdn/shop/products/20498XL_512x512.jpg?v=1547865717)
Save 34%
5242ATO/ATC Fuse15A Fast-acting type fuse ideal for electronic devices Standard circuit protection device for automobiles and trucks Tin-plated...
View full details![Blue Sea 5241 10A ATO/ATC Fuse [5241]](http://cemarine.com/cdn/shop/products/20497XL_512x512.jpg?v=1547865710)
Save 34%
5241ATO/ATC Fuse10A Fast-acting type fuse ideal for electronic devices Standard circuit protection device for automobiles and trucks Tin-plated...
View full details![Blue Sea 5240 7.5A ATO/ATC Fuse [5240]](http://cemarine.com/cdn/shop/products/20496XL_512x512.jpg?v=1547865702)
Save 34%
5240ATO/ATC Fuse7.5A Fast-acting type fuse ideal for electronic devices Standard circuit protection device for automobiles and trucks Tin-plate...
View full details![Blue Sea 5239 5A ATO/ATC Fuse [5239]](http://cemarine.com/cdn/shop/products/20495XL_512x512.jpg?v=1547865695)
Save 34%
5239ATO/ATC Fuse5A Fast-acting type fuse ideal for electronic devices Standard circuit protection device for automobiles and trucks Tin-plated ...
View full details![Blue Sea 5238 4A ATO/ATC Fuse [5238]](http://cemarine.com/cdn/shop/products/20494XL_512x512.jpg?v=1547865687)
Save 34%
5238ATO/ATC Fuse4A Fast-acting type fuse ideal for electronic devices Standard circuit protection device for automobiles and trucks Tin-plated ...
View full details![Blue Sea 5237 3A ATO/ATC Fuse [5237]](http://cemarine.com/cdn/shop/products/20493XL_512x512.jpg?v=1547865680)
Save 34%
5237ATO/ATC Fuse3A Fast-acting type fuse ideal for electronic devices Standard circuit protection device for automobiles and trucks Tin-plated ...
View full details![Blue Sea 5236 2A ATO/ATC Fuse [5236]](http://cemarine.com/cdn/shop/products/20492XL_512x512.jpg?v=1547865673)
Save 34%
5236ATO/ATC Fuse2A Fast-acting type fuse ideal for electronic devices Standard circuit protection device for automobiles and trucks Tin-plated ...
View full details![Blue Sea 5235 1A ATO/ATC Fuse [5235]](http://cemarine.com/cdn/shop/products/20491XL_512x512.jpg?v=1547865666)
Save 34%
5235ATO/ATC Fuse1A Fast-acting type fuse ideal for electronic devices Standard circuit protection device for automobiles and trucks Tin-plated ...
View full details![Blue Sea 5196 MRBF Surface Mount 3 Circuit Fuse Block - Common Source [5196]](http://cemarine.com/cdn/shop/products/64354XL_512x512.jpg?v=1576632091)
Save 31%
MRBF Surface Mount 3 Circuit Fuse Block - Common Source Surface mount fuse blocks accommodate three MRBF fuses for consolidated high amperage circ...
View full details![Blue Sea 5194 MRBF Surface Mount 3 Circuit Fuse Block - Independent Source [5194]](http://cemarine.com/cdn/shop/products/64352XL_512x512.jpg?v=1576632091)
Save 30%
Surface Mount 3 Circuit Fuse Block - Independent Source Surface mount fuse blocks accommodate three MRBF fuses for consolidated high amperage circ...
View full details![Blue Sea 5191 Terminal Fuse Block 30-300AMP [5191]](http://cemarine.com/cdn/shop/products/32561XL_512x512.jpg?v=1547876659)
Save 30%
Terminal Fuse Black New isolated stud design uses standard 5/16" hardware and permits stacking of terminals Compact, high-amp fuse-Appropriate for...
View full details