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Blue Sea Systems Electrical Products

Producing "Innovative Electrical Systems — Built to Last", Blue Sea Systems was founded on a commitment to create innovative, high-quality marine electrical products intended to improve the safety, simplicity, and reliability of boating. As an ISO 9001:2008 certified company, Blue Sea Systems is known for their outstanding product quality. Their involvement with major marine industry organizations ensures that their products meet ABYC, NMMA, and Coast Guard standards. Blue Sea Systems trusts their electrical products to last as long as you own them.

Blue Sea Systems fuse blocks are well known and respected throughout the marine industry. However, Blue Sea Systems also offers a broad selection of highly rated marine components including circuit breakers, and battery chargers.
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  • Blue Sea 7601 M-Series Automatic Charging Relay
  • Category: Battery Chargers
  • Manufacturer: Blue Sea Systems
  • The Mini Automatic Charging Relay (M-ACR) is designed to manage the charging current from alternators up to 65 Amps
  • Start Isolation (SI) protects sensitive electronics by temporarily isolating house loads from the engine circuit during engine cranking
  • The compact design allows for three mounting styles: surface, rear, or panel mount
  • Senses charging on two battery banks
  • Pull off and snap on insulating cover
  • LED indicates ACR status
  • Waterproof - rated IP67 for temporary immersion
  • Amperage Operating Current 90mA (Combine), 15mA (Open)
  • Amperage Rating of 65A Continuous or 115A for up to 5 minutes
  • Relay Contact Position: Open (max) 16.0V. Open (10 sec) 12.35V DC. Open (30 sec) 12.75V DC. Combined (30 sec) 13.6V DC
  • Under Voltage lockout @ 9.5V
  • 6 AWG to meet ratings. 1/0 AWG Maximum cable size
  • 1/4"-20 Terminal stud size
Item#:
78000
Manufacturer Item:
7601
Manufacturer:
Blue Sea Systems
Min. Order Qty:
1
Avail #:
0
1+
76.1700
EACH
  • Blue Sea Systems 7610 SI-ACR Automatic Charging Relay
  • Category: Battery Chargers
  • Manufacturer: Blue Sea Systems
  • Start Isolation (SI) Protects sensitive electronics by temporary isolation of house loads from engine circuit during engine cranking
  • Hermetically sealed contacts/vaporproof
  • Waterproof rated IP67 - temporary immersion for 30 minutes
  • Ignition protected - safe for installation aboard gasoline powered boats
  • Remote LED output indicates relay state away from ACR
  • Supports high-output alternators up to 120 Amps
  • Dual sensing
  • Amperage Operating Current of 175mA (combined) or 15mA (open)
  • Continuous Rating of 120A and a Intermittent Rating of 210A for up to 5 minutes
  • 6 AWG to meet ratings. 1/0 AWG Maximum cable size
  • Relay Contact Position:
    • Combine 30 sec: 13.6V @ 12V or 27.2V @ 24V
    • Combine 90 sec: 13.0V @ 12V or 26.0V @ 24V
    • Open 10 sec: 12.35V @ 12V or 24.7V @ 24V
    • Open 30 sec: 12.75V @ 12V or 25.5V @ 24V
    • Open High: 16.0V @ 12V or 30.0V @ 24V
    • Over Voltage Lockout: 16.0V @ 12V or 32.0V @ 24V
    • Under Voltage Lockout: 9.5V @ 12V or 19V @ 24 V
Item#:
78002
Manufacturer Item:
7610
Manufacturer:
Blue Sea Systems
Min. Order Qty:
1
Avail #:
3
1+
109.9700
EACH
  • Blue Sea Systems 7611 Battery Link Automatic Charging Relay
  • Category: Battery Chargers
  • Manufacturer: Blue Sea Systems
  • Senses charging on two battery banks
  • Side and bottom knockouts for cable connections
  • Clip-on cover insulates terminal connections
  • Integrated LED indicates ACR status
  • Largest battery bank cannot exceed Group 27
  • Waterproof - rated IP67 for temporary immersion
  • 7/8" (22 mm) stud length to accept multiple cable terminals
  • 1ƒƒƒƒƒƒƒƒ/ˆ•4" x .032" male quick connect terminals
  • 3/8"-16 (M10) Terminal stud size
  • Amperage Operating Current 75mA @ 12V (Combine), 115mA @ 24V (Combine) and 15mA (Open)
  • Amperage Rating of 120A Continuous and 210A for up to 5 minutes
  • 1/0 AWG Maximum cable size
  • Relay Contact Position;
    • Combine 30 sec: 13.6V @ 12V or 27.2V @ 24V
    • Combine 30 sec: 13.6V @ 12V or 27.2V @ 24V
    • Over Voltage Lockout: 16.0V @ 12V or 32.0V @ 24V
    • Open Low: 12.75V @ 12V or 25.5V @ 24V
Item#:
78003
Manufacturer Item:
7611
Manufacturer:
Blue Sea Systems
Min. Order Qty:
1
Avail #:
1
1+
109.9700
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  • Blue Sea Systems 7622 Automatic Charging Relay with Manual Control
  • Category: Battery Chargers
  • Manufacturer: Blue Sea Systems
  • Manual control switch provides an added level of safety allowing control with or without power, and offering LOCK OFF capability for servicing
  • Includes ML-Series Remote Control Contura Switch
  • Automatically manages the charging of two large battery banks
  • Allows paralleling of battery banks for emergency starting
  • 500 Ampere continuous rating to support high-output alternators
  • Magnetic Latch (ML) - ACR draws very low current (<40mA to monitor terminal voltage) in the "ON" or "OFF" states, and draws moderate current for very short time when changing state
  • Dual sensing - senses charge on both battery banks
  • Start Isolation (SI) - can be configured for temporary isolation of House loads from Engine circuit during engine cranking to protect sensitive electronics
  • Engine Isolation (EI) - can be configured for isolation of two engines while both are running to protect engine electronics and maximize alternator output
  • LED output to remotely indicate when batteries are combined, isolated, in voltage lockout, or in Start or Engine isolation
  • 3/8"-16 tin-plated copper studs for maximum conductivity and corrosion resistance
  • 7/8" (22mm) stud length accepts multiple cable terminals
  • Amperage rating of 500A Continuous or 700A for up to 5 minutes
  • Amperage Operating Current of 13mA
  • <7.0A Operating Current when changing state
  • Cranking Rating for 10 sec @ 2500A, 1 min @ 1100A
  • 4/0 AWG Cable Size to Meet Ratings
  • 300A @ 12V DC Live Current Switching
  • 100,000 Switching Cycles
  • Relay Contact Position:
    • Combine 30 sec: 13.5V
    • Combine 90 sec: 13.0V
    • Open 10 sec: 12.35V
    • Open 30 sec: 12.75V
    • Open High: 16.2V
Item#:
78004
Manufacturer Item:
7622
Manufacturer:
Blue Sea Systems
Min. Order Qty:
1
Avail #:
19
1+
274.7100
EACH
  • Blue Sea Systems 7649003 Mini Add-A-Battery Kit
  • Category: Battery Chargers
  • Manufacturer: Blue Sea Systems
  • Mini Add-A-Battery Kit - 65A
  • Adding a second battery to the electrical system prevents the unintended discharge of the engine start battery
  • Smaller, more compact version of the popular Add-A-Battery kit
  • Primarily designed for outboard powered boats with alternator output of 65A or less
  • Simple way to control the charging and battery switching of two battery banks
  • Includes part numbers 78407 & 78000
Item#:
78005
Manufacturer Item:
7649003
Manufacturer:
Blue Sea Systems
Min. Order Qty:
1
Avail #:
0
1+
119.4600
EACH
  • Blue Sea Systems 7650003 Add-A-Battery Kit
  • Category: Battery Chargers
  • Manufacturer: Blue Sea Systems
  • Adding a second battery to the electrical system prevents the unintended discharge of the engine start battery
  • Primarily designed for boats with alternator output of 120A or less
  • Simple way to control the charging and battery switching of two battery banks
Item#:
78006
Manufacturer Item:
7650003
Manufacturer:
Blue Sea Systems
Min. Order Qty:
1
Avail #:
0
1+
169.9700
EACH
  • Blue Sea Systems 7700 Remote Battery Switch with Manual Control
  • Category: Disconnect Switches
  • Manufacturer: Blue Sea Systems
  • Manual override knob provides an added level of safety allowing control with or without power and offering LOCKED OFF capability for servicing
  • LED output to remotely indicate switch state - requires optional LED
  • Silver alloy contacts provide high reliability for switching live loads
  • Bi-Stable Coil Function
  • Operating Amperage Current of 0mA and <7A when changing states
  • 10.1V to 16.5V DC Control Circuit Voltage
  • Amperage Rating of 500A Continuous and 700A for up to 5 minutes
  • Cranking Rating: 10 seconds @ 2500A, 1 minute @ 1100A
  • 14°F - 140°F (-10°C to 60°C)
  • 4/0 cable size to meet ratings
  • 300A Live Current Switching
  • 100,000 Cylce endurance
  • 3/8 (M10) Ring Terminal.
  • 3/8-16 (M10) Terminal Stud, 0.875in long
Item#:
78007
Manufacturer Item:
7700
Manufacturer:
Blue Sea Systems
Min. Order Qty:
1
Avail #:
0
1+
237.9300
EACH
  • Blue Sea Systems 7635  m-LVD Low Voltage Disconnect with Switch
  • Category: Low Voltage Disconnects
  • Manufacturer: Blue Sea Systems
  • Senses low battery voltage and automatically disconnects devices to save power for starting or to preserve battery life
  • Ideal for any single battery boat or vehicle that wants to avoid getting stranded with a dead battery
  • Status light in both m-LVD and Remote Control Switch provides visual warning of low voltage state prior to disconnect
  • Remote Control Switch Functions:
    • Disconnect Voltage Adjustment - Sets desired disconnect voltage
    • Override - Temporarily delays circuit disconnect for 10 minutes
    • OFF - Temporarily disconnects circuits until voltage rises
    • Override or OFF - Silences alarm (optional alarm required)
  • Case design allows surface, front panel, or rear panel mounting
  • Rear insulating cover protects rear contacts
  • Waterproof rated IP67 for temporary immersion
  • 12V DC Nominal Voltage
  • Amperage Operating Current: 95mA Connected or 4mA Open
  • Amperage Rating of 65A Continuous or 115A for up to 5 minutes
  • 1/0 AMG Maximum Cable Size
  • 1/4"-20 (M6) Terminal Stud Size
Item#:
78008
Manufacturer Item:
7635
Manufacturer:
Blue Sea Systems
Min. Order Qty:
1
Avail #:
0
1+
105.3300
EACH
  • Blue Sea Systems 9160 ML Battery Link
  • Category: Low Voltage Disconnects
  • Manufacturer: Blue Sea Systems
  • Use as a paralleling devise for the M-Series Battery Switches
  • Tin-plated copper for maximum conductivity and corrosion resistance
  • 500 Amp continuous rating
Item#:
78009
Manufacturer Item:
9160
Manufacturer:
Blue Sea Systems
Min. Order Qty:
1
Avail #:
1
1+
16.6400
EACH
  • Blue Sea Systems 2146 Remote Control Contura Switch
  • Category: Rocker Switches
  • Manufacturer: Blue Sea Systems
  • Vibration, shock, thermoshock, moisture, and salt spray resistant
  • Action: On-Off-On
  • Pole: SPDT
  • Actuator Color: Red
  • Weight: .09lb
Item#:
78010
Manufacturer Item:
2146
Manufacturer:
Blue Sea Systems
Min. Order Qty:
1
Avail #:
2
1+
23.3000
EACH
  • Blue Sea Systems 7522 P12 Battery Charger
  • Category: Battery Chargers
  • Manufacturer: Blue Sea Systems
  • Rugged finned aluminum case dissipates heat to help keep the battery charger electronics cool
  • Universal line voltage 90-€“265V AC, 45-€“65 Hz for use anywhere, and is compatible with low voltage power sources
  • AC over and under voltage shut down and automatic restart
  • Large bright full graphic control screen with user interface
  • Plain-language text in English, French, Italian, German and Spanish
  • Charge Coordination integrates with Blue Sea Systems Automatic Charging Relays to separate the battery banks while the P12 is operational
  • Intuitive diagnostic screens provide a broad range of easily understood fault communications and operating history
  • Power factor corrected for efficient charging
  • Output for three 12 Volt battery banks
  • Charge profiles for Flooded, Gel, Thin Plate Pure Lead (TPPL), and Absorbed Glass Mat (AGM)
  • A user configurable charge profile is available for other battery types
  • PreFloat stage prevents over charging by individually moving each battery out of the Absorption charging stage, so batteries near full charge do not receive the high constant voltages necessary for other batteries still in the Absorption stage
  • Charge Coordination integrates with up to two Blue Sea Systems Automatic Charging Relays (ACR) to separate the battery banks while the P12 is operational
  • Over and under temperature protection for batteries
  • DC over voltage & reverse polarity protection
  • Surge and short circuit protection
  • Input AC Current 7.5A @ 100V AC or 3.75A @ 200V AC
  • 16V Maximum Voltage Output
  • 0.05V Output Voltage Accuracy
  • 13.5V DC Typical Float Voltage
Item#:
78052
Manufacturer Item:
7522
Manufacturer:
Blue Sea Systems
Min. Order Qty:
1
Avail #:
6
1+
763.6000
EACH
  • Blue Sea Systems 8053 Panel Mount AGC/MDL Fuse Holder
  • Category: Power Distribution Modules
  • Manufacturer: Blue Sea Systems
  • 6 position switch panel
  • Will withstand the water exposures normally encountered in above deck applications: salt spray, rain, hose washdowns, momentary immersions.
  • ON-OFF Contura Switches
  • ON indicating LEDs embedded in switches
  • 12V or 24V DC nominal Voltage
  • 45A Cumulative panel rating
  • 20A @ 12V DC 
  • 15A @ 24V DC
  • 7.50" H x 5.25" W x 3.00" D
Item#:
78100
Manufacturer Item:
8053
Manufacturer:
Blue Sea Systems
Min. Order Qty:
1
Avail #:
3
1+
180.8900
EACH
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