Switches > Battery-Switches > Blue-Sea-Systems-Battery-Switches

Blue Sea Systems Battery Switches - M-Series - Single Circuit

These single circuit Blue Sea Systems battery switches offer 300 amps for outboards and small gasoline or diesel engines. These switches switch a single battery to a single load group and feature tin-plated copper studs for maximum conductivity and corrosion resistance. The studs accept 3/8" (M10) ring terminals and have a 7/8" stud length (22 mm) that can accept multiple cable terminals. Blue Sea Systems one-piece terminal stud design never loosens over time. One-piece stainless flange nuts ensure safe and secure connections. Isolating cover with three snap-in side pieces protects rear contacts and allows easy wire access in any direction. Case design allows surface, rear or front panel mounting options.


  • ON-OFF Circuit
  • Cranking Rating (10 Sec.) 1,500A; Cranking Rating (1 Min.) 775A
  • Intermittent Rating (5 Min.) 500A
  • Continuous Rating: 300A @ 48V DC Maximum
  • IP66
  • CE marked, ISO 8846, UL listed - UL1107 electrical power switches. Meets ABYC requirements. Meets UL 1500 and SAE J1171 external ignition protection requirements.
  • Replacement removable keys and removable knobs available.
  • Connect switches together with paralleling link bus bars 5432.
  • Easily mount any M-Series battery switch with switch panel 5433.

Item Description Price Qty in
Package
In Stock Add to Cart
5418 Blue Sea Systems 6005, M-Series Single Circuit ON-OFF Battery Switch with Key, Red, 300 Amp (1 MIN) 32.55 1 EA
5419 Blue Sea Systems 6005200, M-Series Single Circuit ON-OFF Battery Switch with Key, Black, 300 Amp (1 MIN) 32.55 1 EA
5420 Blue Sea Systems 6006, M-Series Single Circuit ON-OFF Battery Switch with Removable Knob, Red, 300 Amp (1 MIN) 35.49 1 EA
5421 Blue Sea Systems 6006200, M-Series Single Circuit ON-OFF Battery Switch with Removable Knob, Black, 300 Amp (1 MIN) 26.90 1 EA
5428 Blue Sea Systems 7900, M-Series Removable Key Replacement, Red (1 MIN) 3.80 1 EA
5429 Blue Sea Systems 7900200, M-Series Removable Key Replacement, Black (1 MIN) 3.80 1 EA

Blue Sea Systems Battery Switches - M-Series - Dual Circuit

These Blue Sea Systems dual circuit battery switches offer 300 amps for outboards and small gasoline or diesel engines. These switches simultaneously switch two isolated battery banks or circuits. May be used to switch the positive and negative conductors for required applications and feature tin-plated copper studs for maximum conductivity and corrosion resistance. The studs accept 3/8" (M10) ring terminals and have a 7/8" stud length (22 mm) that can accept multiple cable terminals. Blue Sea Systems one-piece terminal stud design never loosens over time. One-piece stainless flange nuts ensure safe and secure connections. Isolating cover with three snap-in side pieces protects rear contacts and allows easy wire access in any direction. Case design allows surface, rear or front panel mounting options.


  • ON-OFF Circuit
  • Cranking Rating (10 Sec.) 1,000A; Cranking Rating (1 Min.) 650A
  • Intermittent Rating (5 Min.) 450A
  • Continuous Rating: 300A @ 32V DC Maximum
  • CE marked, ISO 8846, UL listed - UL1107 electrical power switches. Meets ABYC requirements. Meets UL 1500 and SAE J1171 external ignition protection requirements.
  • IP66
  • Replacement removable knobs available.
  • Easily mount any M-Series battery switch with switch panel 5433.

Item Description Price Qty in
Package
In Stock Add to Cart
5424 Blue Sea Systems 6010, M-Series Dual Circuit Battery Switch with Removable Knob, Red, 300 Amp (1 MIN) 49.07 1 EA
5425 Blue Sea Systems 6010200, M-Series Dual Circuit Battery Switch with Removable Knob, Black, 300 Amp (1 MIN) 53.92 1 EA

Blue Sea Systems Battery Switches - M-Series - Dual Circuit Plus

These Blue Sea Systems dual circuit plus battery switches offer 300 amps for outboards and small gasoline or diesel engines. These switches simultaneously switch two isolated battery banks or combines battery banks to all loads. They CANNOT be used to switch positive and negative conductors because of the combine feature. They feature tin-plated copper studs for maximum conductivity and corrosion resistance. The studs accept 3/8" (M10) ring terminals and have a 7/8" stud length (22 mm) that can accept multiple cable terminals. Blue Sea Systems one-piece terminal stud design never loosens over time. One-piece stainless flange nuts ensure safe and secure connections. Isolating cover with three snap-in side pieces protects rear contacts and allows easy wire access in any direction. Case design allows surface, rear or front panel mounting options.


  • ON-OFF Circuit
  • Cranking Rating (10 Sec.) 1,000A; Cranking Rating (1 Min.) 650A
  • Intermittent Rating (5 Min.) 450A
  • Continuous Rating: 300A @ 32V DC Maximum
  • CE marked, ISO 8846, UL listed - UL1107 electrical power switches. Meets ABYC requirements. Meets UL 1500 and SAE J1171 external ignition protection requirements.
  • IP66
  • Replacement removable knobs available.
  • Easily mount any M-Series battery switch with switch panel 5433.

Item Description Price Qty in
Package
In Stock Add to Cart
5426 Blue Sea Systems 6011, M-Series Dual Circuit Plus Battery Switch with Removable Knob, Red, 300 Amp (1 MIN) 53.92 1 EA
5427 Blue Sea Systems 6011200, M-Series Dual Circuit Plus Battery Switch with Removable Knob, Black, 300 Amp (1 MIN) 53.92 1 EA Call

Blue Sea Systems Battery Switches - M-Series - 4 Position

These four position Blue Sea Systems battery switches offer 300 amps for outboards and small gasoline or diesel engines. These switches switch isolated battery banks to all loads or combines battery banks to all loads and feature tin-plated copper studs for maximum conductivity and corrosion resistance. The studs accept 3/8" (M10) ring terminals and have a 7/8" stud length (22 mm) that can accept multiple cable terminals. Blue Sea Systems one-piece terminal stud design never loosens over time. One-piece stainless flange nuts ensure safe and secure connections. Isolating cover with three snap-in side pieces protects rear contacts and allows easy wire access in any direction. Case design allows surface, rear or front panel mounting options.


  • OFF-1-BOTH-2
  • Cranking Rating (10 Sec.) 1,500A; Cranking Rating (1 Min.) 775A.
  • Intermittent Rating (5 Min.) 500A
  • Continuous Rating: 300A @ 32V DC Maximum
  • CE marked, ISO 8846, UL listed - UL1107 electrical power switches. Meets ABYC requirements. Meets UL 1500 and SAE J1171 external ignition protection requirements.
  • IP66
  • Replacement removable knobs available.
  • Easily mount any M-Series battery switch with switch panel 5433.

Item Description Price Qty in
Package
In Stock Add to Cart
5422 Blue Sea Systems 6007, M-Series Selector 4 Position Battery Switch with Removable Knob, Red, 300 Amp (1 MIN) 43.26 1 EA
5423 Blue Sea Systems 6007200, M-Series Selector 4 Position Battery Switch with Removable Knob, Black, 300 Amp (1 MIN) 43.26 1 EA

Blue Sea Systems Battery Switches - M-Series - Accessories

Select from the following accessories to replace, enhance or connect the Blue Sea Systems Battery Switches - M-Series - Single Circuit: replacement knobs, paralleling link bus, or a switch panel. Replacement knobs are available to replace a lost or broken knob. The paralleling link bus connects two or more switches and the switch panel can be used to mount the M-series switches.


  • Replacement knobs available in black or red.
  • Paralleling link bus includes 2 in each pack.
  • Battery switch mounting panel accepts the M-Series battery switches.
  • M-Series battery switch mounting panel dimensions: 4.88" x 4.75".
Item Description Price Qty in
Package
In Stock Add to Cart
5430 Blue Sea Systems 7901, M-Series Removable Knob Replacement, Red (1 MIN) Sale Price: 1.36
7.09
1 EA Call
5431 Blue Sea Systems 7901200, M-Series Removable Knob Replacement, Black (1 MIN) Sale Price: 1.40
7.09
1 EA
5432 Blue Sea Systems 9159, M-Series Paralleling Link Bus, 2 per Pack (1 MIN) Sale Price: 5.80
17.20
1 EA
5433 Blue Sea Systems 1139, M-Series Panel Battery Switch Module (1 MIN) Sale Price: 20.25
69.68
1 EA
Prop65 Warning