MG Master LV 12V/1000A – vue fabricant 1 – MGMLV121000

MG Master LV 12V/1000A – vue fabricant 2 – MGMLV121000

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MG ENERGY

MGMLV121000

MG Master LV 12V/1000A – MGMLV121000

MG Energy battery controller for 12 V systems, 1000 A main contactor, designed to monitor and protect compatible battery banks.

Retail priceBenefit from the professional rate

1.409,29€

1.409,29€ ~~1.574,40€~~

Tax included. Shipping calculated at checkout.

Available in stock

Free pickup point from €150 in France
Pickup at Skysat possible

Custom installation

Trust Skysat to install the equipment on board

Request a quote

Installers near you

thanks to our network of approved installers

Find an installer

Support service

Opt for additional installation assistance

Detailed description

MG Energy battery controller for 12 V systems, 1000 A main contactor, designed to monitor and protect the compatible battery bank.

Key features

Centralized monitoring of essential battery bank parameters.
System protection via automatic opening of the safety contactor in case of threshold exceedance.
Active power consumption: 10.3 W.
Manufacturer documentation and 2026 dealer specifications linked to exact SKU.

Intended use

MG Energy battery system integrators for marine, mobile, and stationary applications.

Compatibility and prerequisites

System voltage range: 12 V.
Contactor capacity: 1000 A.
Connectable batteries: 96 battery modules of type MGLFP120210.

Installation and safety

Power wiring, CAN, emergency stop, and precharge must be completed according to MG Energy manual.
Verify precharge capacity and contactor current relative to loads and converters.
Commissioning and configuration reserved for qualified integrators.

Included

One BMS controller matching the specified SKU.
Official digital documentation.

To be supplied separately

Batteries, CAN cables, and power cables.
Fuses, distribution, external contactors, and installation-specific accessories.
Electrical study, configuration, and commissioning.

Shipping and handling

Declared shipping weight: 9.2 kg.
Configuration product sold on quotation; compatibility and lead time confirmed before order.

Environment

Humidity (no condensation): ≤ 95 %
Operating temperature range: -20 to +50 °C

Inputs and outputs

Charge authorization (relay output): 0.8 A at 60 Vdc, dry contact
Charge authorization (switched voltage): Short-circuit protection
Discharge authorization (relay output): 0.8 A at 60 Vdc, dry contact
Discharge authorization (switched voltage): Short-circuit protection
Auxiliary output: Short-circuit protection
External status signal: Short-circuit protection
Programmable contact (relay output): 0.8 A at 60 Vdc, dry contact

Mechanical specifications

Data connection: CAN Bus RJ45
Housing material: ABS
Height: 117 mm
Protection rating: IP22
Length: 426 mm
Weight: 8.6 kg
Width: 225 mm

Standards and certifications

Certifications: IEC-EN62619 (ES-TRIN)
EMC emissions: EN-IEC 61000-6-3:2007/A1:2011/C11:2012
EMC immunity: EN-IEC 61000-6-1:2007
Low voltage directive: EN 60335-1:2012/AC:2014
RoHS: EN 50581:2012

Technical specifications

Communication: Victron VE.CAN
Main contactor current: 1000 A
Maximum number of connected batteries: 96 battery modules of type MGLFP120210
Operating power consumption: 10.3 W
Standby power consumption: 63 mW
Input voltage range: 8 - 15 Vdc
System voltage: 12 V

Logistics

HS customs code: 8537109199
Country of origin: Netherlands
Shipping weight: 9.2 kg
Hazardous goods classification: No

Documentation

Official MG Energy datasheet - MGMLV121000

Integration tip: verify voltage, currents, protections, cooling, and interfaces of the complete system before installation.

Expert opinion

Pol CONIN

Digital Manager

« Expert review — MG Master LV 12V/1000A – MGMLV121000 »

The MG Master LV 12V/1000A is a centralized battery management system (BMS) designed for low-voltage lithium-ion systems. Its primary function is exhaustive protection of the battery bank, monitoring critical parameters such as voltage, current, and temperature of each module in real time. If safety limits are exceeded, the internal 1000 A contactor opens automatically, isolating the bank from loads and charging sources, which is essential for safety and longevity of marine, mobile, or stationary installations. This 1000 A breaking capacity is a major asset for high-consumption systems.

Beyond protection, the Master LV provides active cell balancing across the entire installation, even with a large number of modules (up to 96 MGLFP120210 batteries). This feature optimizes usable capacity and significantly extends system lifespan. The integration of an internal DC busbar with fuse holder and safety contactor greatly simplifies wiring and installation, reducing complexity and bulk compared to modular solutions.

In terms of system integration, the Master LV is highly versatile, supporting CAN-Bus, NMEA2000, SMA, and Victron VE.CAN protocols, which facilitates interfacing with a wide range of onboard equipment. The ability to automatically update the firmware of connected batteries via CAN-Bus and remote monitoring via the MG Connect app (Bluetooth) are practical advantages for maintenance and diagnostics. It is important to note that its IP22 rating makes it suitable for installation in a protected, dry environment, shielded from direct spray or high ambient humidity. Commissioning and configuration require the expertise of a qualified integrator, particularly for sizing power wiring, CAN, emergency stop, and precharge circuits, ensuring a compliant and secure installation.

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MG Master LV 12V/1000A – MGMLV121000

1.409,29€

1.409,29€ ~~1.574,40€~~

Frequently Asked Questions

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What is the primary role of the MG Master LV 12V/1000A in a battery system?

The MG Master LV is a battery management system (BMS) designed for low-voltage systems. Its main function is to protect connected batteries by monitoring and managing all essential parameters. It also balances the cells in the installation to maximize capacity and extend cell lifespan.

What are the main technical specifications of the MG Master LV 12V/1000A?

The MG Master LV 12V/1000A is a battery monitor/controller for 12 V systems with a 1000 A main contactor. It features a CAN Bus data connection via RJ45 and provides IP22 protection. Its active power consumption is 10.3 W and standby consumption is 63 mW.

Which communication networks is the MG Master LV 12V/1000A compatible with?

The MG Master LV 12V/1000A is compatible with multiple communication protocols, including NMEA 2000, SMA, and Victron VE.CAN. It uses a CAN Bus data connection via RJ45.

How many battery modules can be connected to the MG Master LV 12V/1000A?

The MG Master LV 12V/1000A can manage up to 96 battery modules of the MGLFP120210 type.

What are the physical dimensions of the MG Master LV 12V/1000A controller?

The MG Master LV 12V/1000A controller has a height of 117 mm, a length of 426 mm, and a width of 225 mm. Its weight is 8.6 kg.

What is the required power supply voltage range for the MG Master LV 12V/1000A?

The MG Master LV 12V/1000A operates within a supply voltage range of 8 to 15 Vdc.

What are the operating environmental conditions for this controller?

The MG Master LV 12V/1000A is designed to operate within a temperature range of -20 to +50 °C. Non-condensing humidity must be less than or equal to 95 %.

What is the ingress protection (IP) rating of the MG Master LV 12V/1000A housing?

The MG Master LV 12V/1000A housing has an IP22 protection rating.

What is included when purchasing the MG Master LV 12V/1000A?

Upon purchase, you will receive a BMS controller corresponding to the SKU indicated (MGMLV121000) and the official digital documentation.

What components are not included and must be purchased separately for the installation of the MG Master LV 12V/1000A?

For a complete installation, you will need to separately provide batteries, CAN cables, power cables, fuses, distribution, external contactors, and accessories specific to your setup. An electrical study, configuration, and commissioning must also be planned.

Who is qualified to install and configure the MG Master LV 12V/1000A?

Commissioning and configuration of the MG Master LV 12V/1000A must be performed by a qualified integrator to ensure correct and safe installation.

Can the MG Master LV 12V/1000A be used in marine applications?

Yes, the MG Master LV 12V/1000A is designed for integrators of MG Energy battery systems for marine, mobile, and stationary applications.

What is the function of the internal safety switch in the Master LV?

The internal safety contactor opens automatically if the battery parameters exceed the safe operating window. This disconnects all loads and chargers to protect the system.

Does the Master LV balance the battery cells?

Yes, the Master LV battery management system (BMS) balances the cells across the entire battery installation. This maximizes capacity and extends battery cell lifespan.

What is the maximum capacity of the main contactor for the MG Master LV 12V/1000A?

The MG Master LV 12V/1000A is equipped with a main contactor rated at 1000 A.

Is the Master LV 12V/1000A certified to specific standards?

Yes, the Master LV 12V/1000A is certified to several standards, including IEC-EN62619 (ES-TRIN), EN-IEC 61000-6-3 (EMC Emission), EN-IEC 61000-6-1 (EMC Immunity), EN 60335-1 (Low Voltage Directive) and EN 50581 (RoHS).

What type of material is used for the MG Master LV 12V/1000A housing?

The MG Master LV 12V/1000A housing is made of ABS.

What checks are required before commissioning the Master LV?

Before commissioning, it is essential to check the precharge capacity and contactor current against the loads and converters in your system, in accordance with the MG Energy manual.