Description
Blue Sea 7620 ML-ACR 500A | Boat Supply Store
This automatic charging relay is engineered for vessels with demanding electrical loads, ensuring efficient battery bank management. It provides a robust 500A continuous rating, capable of handling high-demand alternators and inverter/chargers. The magnetic latch technology conserves energy, and the included remote switch offers convenient manual override when necessary for isolated charging operations.
Key Features
- Automatically combines battery banks during charging cycles and isolates them under discharge to protect house loads.
- Handles extreme loads with a 500 Ampere continuous rating, suitable for high-output alternators and large battery banks.
- Convenient control with the included ML-Series Remote Control Contura Switch (PN 2146) for manual engagement/disengagement.
- Exceptional reliability achieved through silver alloy contacts, ensuring a robust and long-lasting connection.
- Features superior connection integrity with 3/8" copper studs utilizing one-piece stud technology.
- Operates efficiently on a 12V DC coil voltage, integrating seamlessly into most marine DC systems.
- Energy-efficient operation via Magnetic Latch technology, minimizing parasitic power draw when idle.
- ABYC certified for adherence to stringent marine safety standards.
Specifications
| Product Specifications |
|---|
Who This Is For
Boaters and marine enthusiasts with multi-battery systems requiring automatic charging and isolation, including those with large battery banks, high-output alternators, starter motors, and inverter/chargers.
How It Compares
| Feature | Blue Sea 7620 ML-ACR 500A | Competitor |
|---|---|---|
| Continuous Amperage Rating | 500A | 500A, 400A |
| Coil Voltage | 12V DC | 12V DC, 12/24V DC |
| Manual Control | No | No, No |
| Included Remote Switch | Yes (PN 2146) | No, No |
| Stud Size | 3/8" | 3/8", M10 |
Common Concerns Answered
Is the wiring for the Blue Sea 7620 complicated?
While the unit itself is straightforward, integrating it into your existing or new battery bank requires careful planning and proper DC electrical system understanding. The inclusion of a remote switch adds an additional wiring step, contributing to a moderate installation difficulty.
Is this relay a budget-friendly option?
The Blue Sea 7620 is an investment in robust and reliable battery management, featuring a 500A rating and magnetic latch technology. Its price point reflects its advanced capabilities and superior construction, making it a consideration for budget-conscious boaters compared to simpler battery switches.
How does this compare to basic battery switches?
Unlike basic battery switches, the Blue Sea 7620 functions as an automatic charging relay. It intelligently combines battery banks during charging and isolates them during discharge, optimizing battery health and ensuring critical systems have dedicated power, a feature not found in manual switches.
Frequently Asked Questions
What is the continuous amperage rating of the Blue Sea 7620 ML-Series Automatic Charging Relay?
The Blue Sea 7620 ML-Series Automatic Charging Relay has a continuous amperage rating of 500A.
Does the Blue Sea 7620 have manual control?
The Blue Sea 7620 does not have its own manual control function on the relay unit itself; however, it includes the PN 2146 ML-Series Remote Control Contura Switch, which provides manual control capabilities.
What is the coil voltage for the Blue Sea 7620?
The coil voltage for the Blue Sea 7620 is 12V DC.
What type of contacts does the Blue Sea 7620 use?
The Blue Sea 7620 uses silver alloy contacts, known for their high reliability.
What is the purpose of an automatic charging relay like the Blue Sea 7620?
An automatic charging relay, such as the Blue Sea 7620, intelligently manages multiple battery banks by automatically combining them when charging and separating them when discharging. This prevents the house battery bank from being drained by the starter battery and ensures optimal charging of all batteries.
