Coupe-batterie à distance ML-RBS avec commande manuelle - 12V DC 500A - ML-RBS Remote Battery Switch with Manual Control - 12V DC 500A

Coupe-batterie à distance ML-RBS avec commande manuelle - 12V DC 500A - Wiring Diagram

Coupe-batterie à distance ML-RBS avec commande manuelle - 12V DC 500A - Dimension Drawing

Remote battery switch ML-RBS with manual control - 12 V DC 500 A

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

Save 17%

Blue Sea Systems

7700B-BSS

Remote battery switch ML-RBS with manual control - 12 V DC 500 A

The BLUE SEA ML-RBS 7700 remote battery switch is a 12V DC 500A solution with magnetic latching, optimized for high-current marine circuits. Part of the ML-Series, it features zero current draw in ON/OFF state and a manually disengageable control for enhanced safety. This model includes a Contura remote control switch and stainless steel base nuts.

Voltage: 12 V

12 V 24 V

Retail priceBenefit from the professional rate

£181.00 GBP

£181.00 GBP ~~£219.14 GBP~~

Shipping calculated at checkout.

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

Technical specifications

Product use	Remote battery switch for 12V DC electrical systems, enabling battery circuit isolation and protection
Switch type	Battery isolator
Courant continu (A)	500
Courant intermittent (A)	1000
Courant de démarrage (A)	1450
Maximale tension dc	12
Nombre de pôles	1
Positions	ON/OFF
Type de borne	M10 bolt
Terminal size	M10
Type de connexion câblage	Bolt and nut
Type de contrôle	Manual control and remote
Mounting type	Surface mounting
IP rating	IP66
Operating voltage range	0-64 V
Tension de la bobine	12
Courant de bobine (mA)	<7000 mA
Operating temperature range	-40 to 85
Weight	0.93
Dimensions (W x H x D)	95 x 139 x 52
Coil Current Continuous Ma	0
Coil Function Type	Bi-stable with magnetic latching
Contact material	Silver alloy
Control Voltage	9-16
Manual Override Function	Allows manual ON/OFF control and a 'LOCK OFF' function for maintenance
Max Terminal Stud Torque	15.8
Sortie LED à distance	Indicates the state of the remote switch
Stud Material	Tinned copper
Terminal Plating	Tinned
Terminal Stud Size Imperial	3/8"-16

Detailed description

The BLUE SEA ML-RBS 7700 is a remote magnetic battery switch designed for managing high-current 12V DC circuits. It offers a continuous switching capacity of 500A and up to 1450A peak (30 seconds), enabling reliable isolation of battery banks or connection of heavy loads.

Design and technical performance

This battery switch stands out with its bistable magnetic latching design, meaning it consumes no current in the ON or OFF state, only during state changes (less than 7A for 20 ms). This feature differentiates it from traditional solenoids, which require continuous current draw, thus optimizing the system’s energy consumption. The contacts are made of silver alloy, ensuring high reliability for switching under load, with a lifespan of 10,000 cycles at 12V/300A.

Features and integration

The ML-RBS 7700 includes a manual override control, providing an additional safety level for ON/OFF operation with or without power, and a "LOCK OFF" function for electrical system maintenance. It features 3/8"-16 (M10) tinned copper terminals for maximum conductivity and corrosion resistance, with a maximum tightening torque of 15.8 N•m (140 in-lb). A remote LED indicator can be connected to monitor the switch state. Compared to other models in the ML series, such as the 7713 which includes an "Auto-Releasing" function for emergency starts from a depleted battery bank, the 7700 prioritizes energy conservation thanks to its magnetic latching. This product meets external ignition protection requirements ISO 8846 and SAE J1171 and is rated IP66.

Expert opinion

Pol CONIN

Digital Manager

« Technical analysis of the BLUE SEA ML-RBS 7700 battery isolator: performance and embedded safety »

The BLUE SEA ML-RBS 7700 remote battery isolator is a power circuit isolation solution designed for demanding marine installations where reliability and energy management are critical. Its ability to switch 500A continuously at 12V makes it ideal for medium to large service or starter battery banks, particularly on cruising sailboats or motorboats equipped with complex electronic systems.

The strategic advantage of this model lies in its magnetic latching (bi-stable) operation. Unlike conventional solenoids that continuously draw current to maintain their state, the ML-RBS 7700 only consumes power during the brief ON/OFF state changes. This feature is crucial for autonomous boats or those with systems under prolonged power, as it minimizes parasitic battery drain. The integrated manual override provides essential redundancy, allowing direct intervention on the system even in case of remote control failure. It is particularly useful for securing the boat during prolonged stops or maintenance operations, thanks to its "LOCK OFF" function.

Installation requires positioning close to the battery bank to minimize the length of heavy-gauge cables, which is a standard practice for safety and efficiency in marine electrical systems. The robust tinned copper terminals accept heavy-gauge cables (up to two 4/0 AWG) and ensure a stable, corrosion-resistant connection. This model integrates seamlessly into an NMEA 2000 network via a compatible battery management system, enabling centralized control. It should be noted that for applications requiring automatic emergency starting from a depleted bank, other models in the ML-Series, such as the 7713 with its "Auto-Releasing" function, may be more suitable. The 7700 excels where energy conservation and direct manual safety are the priorities.

Durabilité

Facilité d'installation

Rapport performance / prix

Payment and security

Your payment information and data are processed securely.

Remote battery switch ML-RBS with manual control - 12 V DC 500 A

£181.00 GBP

£181.00 GBP ~~£219.14 GBP~~

Frequently Asked Questions

Need help? Contact us

What is a BLUE SEA ML-RBS remote battery switch?

The BLUE SEA ML-RBS (model 7700) remote battery switch is a magnetic battery switch designed for managing high-current 12V DC circuits. It reliably isolates battery banks or connects high loads, with both remote and manual switching capabilities.

What is the main characteristic of the magnetic latch technology (Magnetic Latch)?

The magnetic latch technology (bi-stable) means the battery switch consumes no current in either the ON (activated) or OFF (deactivated) state. It only draws current (less than 7A for 20 ms) during state changes, optimizing energy consumption compared to traditional solenoids that require continuous current maintenance.

What is the DC current capacity of this battery switch?

This battery switch has a DC current capacity of 500 amperes (500A DC). It can also handle up to 700A intermittently (for 5 minutes) and 1450A in peak (for 30 seconds).

Is this product protected against water and dust?

Yes, the ML-RBS battery switch is rated IP66. This means it is protected against powerful water jets and dust ingress, making it suitable for marine environments.

What type of contacts is this battery switch equipped with for load switching?

The battery switch is equipped with silver alloy contacts. These contacts provide high reliability for switching loads under power.

What is the switching cycle lifespan for this battery switch?

This battery switch is designed for long service life. It supports 10,000 switching cycles at 12V/300A and 100,000 mechanical switching cycles.

What are the safety certifications for this battery switch?

The ML-RBS battery switch meets the external ignition protection requirements of ISO 8846 and SAE J1171. It is also CE marked.

What is the manual control button on the battery switch used for?

The manual override pushbutton provides an additional safety level. It allows manual ON/OFF control with or without power and includes a "LOCK OFF" function to secure the electrical system during maintenance.

Is it possible to remotely check the battery switch state?

Yes, the battery switch has an LED output that can be wired remotely to indicate its state (ON/OFF). The LED indicator itself is sold separately.

What are the physical dimensions of the battery switch?

The dimensions of the battery switch are as follows:

Length: 138.94 mmWidth: 95.25 mmHeight (including terminals): 76.20 mmInstallation depth: 48.26 mm

Where is the best place to install the ML-RBS battery switch?

The battery switch should be installed as close as possible to the battery bank. Choose a dry, protected location to prevent corrosion of cables and terminals. Avoid mounting it directly above vented lead-acid batteries to prevent exposure to corrosive gases.

What are the types and sizes of the main connection terminals?

The main connection terminals are 3/8"-16 (M10) tin-plated copper studs. They are designed for maximum conductivity and corrosion resistance.

What is the maximum recommended tightening torque for the battery switch terminals?

The maximum tightening torque for the nuts on the studs of high-current terminals is 15.8 N•m (140 in-lb).

Are the A and B terminals of the battery switch interchangeable?

Yes, terminals A and B are interchangeable. The load can be connected to either terminal A or B, with the battery bank connected to the other terminal.

Should batteries be disconnected before starting the installation?

Yes, it is mandatory to disconnect all negative battery connections before starting installation for safety reasons.

How to use the "LOCK OFF" function for electrical system maintenance?

To activate the "LOCK OFF" function, turn the manual control knob to the right until it reaches the "LOCK OFF" position. You can then pass a cable tie (not included) through the designated hole to secure the battery switch in this position and prevent any remote operation.

What voltage is required to remotely control the battery switch?

The ML-RBS battery switch (model 7700) requires a nominal control voltage of 12V DC, specifically between 9V and 16V DC, for remote operation.

Is this battery switch suitable for use with large-gauge cables?

Yes, it is designed for high-current applications and supports large-gauge cables. To achieve its continuous rating of 500A, it is recommended to use two 4/0 AWG cables (2x 120 mm²).