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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.

As a Blue Sea Systems distributor, Waytek carries a variety of their products which are well known and respected throughout the marine industry. Our Blue Sea Systems selection includes many highly rated marine components including fuse blocks, electrical switches, battery chargers and more.
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Packaged for retail use only. For bulk product, see item 78000B (must be logged in to purchase bulk)
  • 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 #:
10
1+
79.2100
EACH
Not packaged for retail use. For retail product, see item 78000
  • Blue Sea 7601 M-Series Automatic Charging Relay - Bulk Packaging
  • 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#:
78000B
Manufacturer Item:
7601B
Manufacturer:
Blue Sea Systems
Min. Order Qty:
5
Avail #:
0
You must be logged in to order this item. Log in here
 
Packaged for retail use only. For bulk product, see item 78002B (must be logged in to purchase bulk)
  • 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+
114.3700
EACH
Not packaged for retail use. For retail product, see item 78002
  • Blue Sea Systems 7610 SI-ACR Automatic Charging Relay - Bulk Packaging
  • 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#:
78002B
Manufacturer Item:
7610B
Manufacturer:
Blue Sea Systems
Min. Order Qty:
5
Avail #:
305
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Packaged for retail use only. For bulk product, see item 78003B (must be logged in to purchase bulk)
  • 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
  • 1/4" 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 #:
11
1+
114.3700
EACH
Not packaged for retail use. For retail product, see item 78003
  • Blue Sea Systems 7611 Battery Link Automatic Charging Relay - Bulk Packaging
  • 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
  • 1/4" 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#:
78003B
Manufacturer Item:
7611B
Manufacturer:
Blue Sea Systems
Min. Order Qty:
5
Avail #:
2
You must be logged in to order this item. Log in here
 
Not packaged for retail use. For retail product, see item 78004
  • Blue Sea Systems 7622 Automatic Charging Relay - Bulk Packaging
  • Category: Battery Chargers
  • Manufacturer: Blue Sea Systems
  • 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#:
78004B
Manufacturer Item:
7622B
Manufacturer:
Blue Sea Systems
Min. Order Qty:
1
Avail #:
2
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  • 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 #:
8
1+
123.3000
EACH
  • Blue Sea Systems 7700 Remote Battery Switch with Manual Control
  • Category: Battery Disconnects
  • 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 #:
1
1+
165.9600
EACH
Not packaged for retail use. For retail product, see item 78008
  • Blue Sea Systems 7635  m-LVD Low Voltage Disconnect with Switch - Bulk Packaging
  • 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#:
78008B
Manufacturer Item:
7635B
Manufacturer:
Blue Sea Systems
Min. Order Qty:
5
Avail #:
7
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Packaged for retail use only. For bulk product, see item 78009B (must be logged in to purchase bulk)
  • 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 #:
9
1+
16.6400
EACH
Not packaged for retail use. For retail product, see item 78009
  • Blue Sea Systems 9160 ML Battery Link - Bulk Packaging
  • 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#:
78009B
Manufacturer Item:
9160B
Manufacturer:
Blue Sea Systems
Min. Order Qty:
5
Avail #:
5
You must be logged in to order this item. Log in here
 
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