---
product_id: 5172797
title: "Blue Sea Systems ML-ACR Charging Relay with Manual Control, 500A"
brand: "blue sea systems"
price: "NT$18728"
currency: TWD
in_stock: true
category: "Blue Sea Systems"
url: https://www.desertcart.tw/products/5172797-blue-sea-systems-ml-acr-charging-relay-with-manual-control
store_origin: TW
region: Taiwan
---

# 12V coil voltage for seamless integration Automatic + manual dual operation modes 500A heavy-duty current rating Blue Sea Systems ML-ACR Charging Relay with Manual Control, 500A

**Brand:** blue sea systems
**Price:** NT$18728
**Availability:** ✅ In Stock

## Summary

> 🔋 Stay charged, stay unstoppable — power your journey with confidence!

## Quick Answers

- **What is this?** Blue Sea Systems ML-ACR Charging Relay with Manual Control, 500A by blue sea systems
- **How much does it cost?** NT$18728 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/5172797-blue-sea-systems-ml-acr-charging-relay-with-manual-control)

## Best For

- blue sea systems enthusiasts

## Why This Product

- Trusted blue sea systems brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Smart Dual Control:** Switch effortlessly between automatic charging and manual LOCK OFF for ultimate safety and serviceability.
- • **Built for Adventure:** Trusted by van-builders and off-grid explorers for seamless dual battery management in rugged conditions.
- • **Remote Command Ready:** Includes ML-Series Remote Control Contura Switch for convenient, on-demand battery management.
- • **Fail-Safe Reliability:** Operates flawlessly even without power, ensuring your battery banks stay protected and fully charged.
- • **Power Meets Precision:** Handles up to 500A with marine-grade silver alloy contacts for unmatched durability.

## Overview

The Blue Sea Systems 7622 ML-ACR is a robust 12V, 500A automatic charging relay designed for dual battery setups. Featuring marine-grade silver alloy contacts and both automatic and manual control modes, it ensures safe, efficient charging and battery isolation. Its included remote control switch and LOCK OFF capability provide enhanced safety and convenience, making it a top choice for off-grid adventurers and professional vehicle setups.

## Description

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 PN 2146.

## Features

- 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 PN 2146
- Automatically manages the charging of two large battery banks

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001VIXLRO |
| Best Sellers Rank | #100,236 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #27 in Boat Battery Switches |
| Brand Name | Blue Sea Systems |
| Coil Voltage | 12 volts |
| Connector Type | Deutsch Dtm |
| Contact Current Rating | 500 A |
| Contact Material | Silver Alloy |
| Contact Type | Normally Closed |
| Current Rating | 500 A |
| Customer Reviews | 4.7 4.7 out of 5 stars (157) |
| EU Spare Part Availability Duration | 5 years |
| Global Trade Identification Number | 00632085076221 |
| Included Components | Great Product |
| Item Highlight | 12V DC; automatic charge combining; start and engine isolation; remote control switch included |
| Item Type Name | Great Product |
| Item Weight | 0.79 kg |
| Manufacturer | Blue Sea Systems - Sports |
| Minimum Switching Voltage | 12 volts |
| Model | 7622 |
| Mounting Type | Surface Mount |
| Number of Items | 1 |
| Number of Terminals | 2 |
| Operation Mode | Automatic,Manual |
| Part Number | 7622 |
| Specification Met | Marine-grade Electrical Equipment and Battery Isolator Standards |
| UPC | 632085076221 |
| Warranty Description | Warranty |
| Wattage | 10 Milliwatts |

## Product Details

- **Connector Type:** Deutsch Dtm
- **Contact Material:** Silver Alloy
- **Contact Type:** Normally Closed
- **Current Rating:** 500 A
- **Mounting Type:** Surface Mount

## Images

![Blue Sea Systems ML-ACR Charging Relay with Manual Control, 500A - Image 1](https://m.media-amazon.com/images/I/51x0XXRiDiL.jpg)
![Blue Sea Systems ML-ACR Charging Relay with Manual Control, 500A - Image 2](https://m.media-amazon.com/images/I/613OCJm5quL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Frequently Bought Together

- Blue Sea Systems 7622 ML-ACR 12V DC 500A Automatic Charging Relay with Manual Control, Gray
- Blue Sea Systems 5026 ST Blade Fuse Block 12 Circuit with Ground and Cover
- Blue Sea Systems 6006 m-Series Battery Switch ON/OFF with Knob, Red

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**Shop now:** [https://www.desertcart.tw/products/5172797-blue-sea-systems-ml-acr-charging-relay-with-manual-control](https://www.desertcart.tw/products/5172797-blue-sea-systems-ml-acr-charging-relay-with-manual-control)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-09-21*