Blue Sea Systems 7623 ML-Series 24V Heavy Duty Automatic Charging Relay with Manual Control

• Manual control switch provides an added level of safety allowing control with or without power, and offering "Locked Off" capability for servicing
  
• Includes ML-Series Remote Control Contura Switch PN 2146
  
• 500 Ampere continuous rating
  
• Magnetic Latch (ML)-ACR draws very low current (<10 mA to monitor terminal voltage) in the "ON" or "OFF" states, and draws moderate current for very short time when changing state
  
• 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
  
• Senses charging on two battery banks
  
• Supports high-output alternators up to 500 Amps
  
• LED output to remotely indicate when batteries are combined, isolated, in voltage lockout, 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
  
• Label recesses for circuit protection
  
• Silver alloy contacts provide high reliability for switching live loads

WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

The Blue Sea Systems 7623 ML-Series Heavy Duty Automatic Charging Relay is designed for reliable battery management in demanding electrical systems. Featuring a manual control switch, this relay provides an added layer of safety by allowing operation with or without power and includes a "Locked Off" option for service procedures. This control flexibility is essential for maintenance and troubleshooting in marine, automotive, and industrial applications.

Constructed to handle continuous currents up to 500 amperes, the relay incorporates magnetic latch (ML) technology, which minimizes power consumption by drawing less than 10 mA in both "ON" and "OFF" states. It briefly draws moderate current during state changes, ensuring efficient operation without unnecessary energy drain. The relay can be configured for various functions such as start isolation to protect sensitive electronics during engine cranking or engine isolation to safeguard engine electronics when multiple engines are running. It also detects charging activity across two separate battery banks, making it ideal for complex electrical setups.

The relay includes features like LED indicators for remote status monitoring, high-conductivity tin-plated copper studs for secure cable connections, and built-in circuit protection labels. Its silver alloy contacts ensure high reliability for switching high loads, and its robust construction supports high-output alternators and multiple cable terminations. The device is suitable for use with alternators up to 500 amps and can be integrated into systems requiring precise battery control and protection.

For detailed installation and operation instructions, refer to the owner’s manual available online. The Blue Sea Systems 7623 relay is a versatile component that enhances the safety and efficiency of your electrical system, whether in marine, RV, or industrial environments.

Features:

• Manual control switch allows operation with or without power and includes Locked Off safety feature

• Includes ML-Series Remote Control Contura Switch PN 2146 for integrated control

• Supports continuous operation at 500 amperes for high-current applications

• Magnetic Latch (ML)-ACR technology minimizes power consumption, drawing less than 10 mA in steady states

• Configurable for start isolation and engine isolation to protect electronics during engine operations

• Monitors charging activity across two battery banks for optimal power management

• Supports high-output alternators up to 500 amps for demanding electrical setups

• LED indicators provide remote status updates including battery status, isolation, and lockout conditions

• Heavy-duty 3/8"-16 tin-plated copper studs ensure maximum conductivity and corrosion resistance

• Stud length of 7/8" (22mm) accommodates multiple cable terminals for flexible wiring

• Includes label recesses for circuit protection and clear identification

• Silver alloy contacts ensure high reliability for switching high loads