Remote parallel emergency battery cut-off 500 A 32 V

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BEP Marine

720-MDO-EP

Remote parallel emergency battery cut-off 500 A 32 V

The BEP 720-MDO-EP motorized battery switch is designed for 12/24V systems, offering a continuous rating of 500A and 2500A at start-up. Part of BEP's high-capacity management range, it includes a remote-activatable emergency parallel function to secure critical starts. The product includes the switch, its Wago connectors for the control circuit, and 12mm studs for power connections.

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267,36€

267,36€ ~~363,12€~~

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In stock

Free pickup point shipping over €150 in France
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Custom installation

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Installers near you

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Support service

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Technical specifications

Nominal voltage	12/24
Amperage	500.0
Nombre de circuits	2.0
Nombre de pôles	2
Parcs de batteries supportés	2.0
Type d'interrupteur de batterie	Electromechanical
Méthode de contrôle de l'interrupteur de batterie	Manual and automatic
Compatible CZone	Oui
Mounting type	Flush-mounted or surface-mounted
IP rating	IP65
Display type	LED
Certifications	UL 1107, Flame-resistant
Taille maximale de cosse de câble	12
Battery Bank Voltage Matching Requirement	Both battery banks must be of the same voltage, either 12V or 24V.
Courant de bobine (mA)	5mA (standby @12V), 5.5mA (standby @24V), 8mA (auto mode @12V), 12mA (auto mode @24V)
Tension de la bobine	12V or 24V (8-32V DC for engine/PCB)
Courant continu (A)	500
Type de contrôle	Remote (remote switch), Manual, Automatic
Control Wire Count	5
Courant de démarrage (A)	2500
Emergency Parallel Deactivation Time	6
Emergency Parallel Duration	10
Housing material	High-temperature reinforced plastic
Courant intermittent (A)	700
Max discharge current (A)	500.0
Maximale tension dc	50
Nut Material	Stainless steel
Operating voltage range	8 to 32
Peak discharge current	2500.0
Positions	Stop, Start, Auto, Emergency parallel
Power Draw Auto On 12v	8.0
Power Draw Auto On 24v	12.0
Power Draw Off State 12v	5
Power Draw Off State 24v	5.5
Product use	Battery bank management and isolation with remote emergency coupling function
Recommended continuous discharge current	500.0
Stud Material	Tinned copper
Switch type	Remote-controlled electromechanical battery switch
Terminal size	2 x 12 mm (1/2")
Type de borne	Fasteners
Type de connexion câblage	Wago terminal blocks, crimped wires

Detailed description

The BEP 720-MDO-EP motorized battery switch is designed for advanced battery bank management on vessels requiring high electrical reliability. This high-capacity model features an emergency parallel function (Emergency Parallel), remotely controllable. Unlike manual battery switches in the BEP 700 series, this model allows temporary coupling of battery banks for 10 minutes via a remote switch, providing an immediate solution in case of starter battery failure. A continuous 6-second press on the control disables this function manually.

Electrical performance and capacities

Designed to integrate with 12V or 24V systems (with a motor operating range of 8 to 32V DC), this switch supports a continuous current of 500A, an intermittent current of 700A, and a starting capacity reaching 2500A. Its electrical consumption is strictly optimized to preserve batteries: it is limited to 5mA at 12V in off position, and 8mA in automatic mode. The internal high-voltage contacts can withstand up to 50V DC for load switching, offering a large safety margin.

Robust design and installation

The 720-MDO-EP construction meets the most demanding marine standards. It is UL 1107 certified (protection against ignition) and has an IP65 ingress protection rating against water and dust ingress. Power transfer is via two robust 12 mm (1/2 inch) tinned copper studs, requiring a recommended tightening torque of 18 Nm. The control circuit wiring is greatly simplified by the use of Wago quick-connect terminals. The unit can be surface-mounted or flush-mounted, perfectly adapting to the space constraints of modern electrical panels.

Documentation

Type	Nom
	EN - User and Installation Instructions - BAT SW MD HD 12/24V 500A OPTICS E/P MC6
	EN - Product Launch Press Release - BAT SW MD HD 12/24V 500A OPTICS E/P MC6
	EN - Instructions for Use and Installation - BAT SW MD HD 12/24V 500A OPTICS E/P MC6
	EN - Installation Guide - BAT SW MD HD 12/24V 500A OPTICS E/P MC6
	EN - Product Launch Technical Bulletin - BAT SW MD HD 12/24V 500A OPTICS E/P MC6
	EN - Operating and Installation Instructions - BAT SW MD HD 12/24V 500A OPTICS E/P MC6

Expert opinion

Pol CONIN

Digital Manager

« Safety and emergency coupling for high-capacity banks »

The BEP 720-MDO-EP motorized battery switch is a critical component for complex marine electrical architectures. Its ability to handle 500A continuously and 2500A peak start-up currents makes it perfectly suited for large diesel engines and high-capacity lithium service banks. The integrated Emergency Parallel function, remotely activable for precise 10-minute cycles, provides crucial redundant safety: it allows the helm to bridge battery banks without descending into the engine compartment in emergency situations. The 12 mm tinned copper studs ensure flawless conductivity and limit heat build-up, while the IP65 rating and UL 1107 certification guarantee reliability in the harshest engine compartments. This is an industrial-grade component that simplifies high-current cable routing while centralizing control at the helm.

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Remote parallel emergency battery cut-off 500 A 32 V

267,36€

267,36€ ~~363,12€~~

Frequently Asked Questions

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What is the maximum continuous current supported by this battery switch?

This motorized battery switch supports a continuous direct current of 500 amperes DC.

What is the cranking current capacity?

The cranking current capacity is 2500 amperes DC, which is ideal for demanding marine engines.

Is this model compatible with 24V electrical systems?

Yes, this battery switch is fully compatible with 12V and 24V systems. Its maximum operating voltage is 32V DC.

What is the waterproof rating of this device?

It has an IP65 protection rating, making it resistant to water splashes and dust, suitable for a marine environment.

What is the size of the connection studs?

The device is equipped with 2 studs of 12 mm (1/2") for secure connection of power cables.

What are the mounting options for this battery switch?

This model offers flexible installation and can be surface-mounted or flush-mounted depending on your electrical panel configuration.

What is the electrical consumption when the battery switch is off?

Consumption is very low: about 5mA at 12V and 5.5mA at 24V when the device is in automatic off position.

Is this battery switch ignition-protected?

Yes, it is ignition-protected (Ignition Protected) and meets UL 1107 safety standards, allowing safe installation in the engine compartment.

What materials are the power connectors made of?

The conductors and studs are made of tinned copper for optimal conductivity, paired with stainless steel nuts and a high-temperature fiberglass-reinforced plastic housing.

Can I connect a 12V battery bank with a 24V bank on this battery switch?

No, for the parallel function to work, both battery banks must have the same voltage (either both 12V or both 24V).

What do the different control wire colors correspond to?

Red: LED wireGreen: Control from the remote switchBlack: Power negative supplyOrange/White: Power positives

Is it possible to manually activate the battery isolator switch in case of an electrical failure?

Yes, the device has a manual override control (Manual On/Off) that allows direct activation on the housing if needed.

What is the recommended torque for 12 mm studs?

The recommended torque for the studs is 18 Nm, with a strict maximum of 25 Nm to avoid damaging the threads.

What is the maximum intermittent current tolerated?

This battery switch can handle an intermittent current of 700 amperes DC.

How to tell if the battery isolator switch is activated via the LED indicator?

When the LED is continuously lit, this indicates that the battery isolator switch is engaged (On position). If it is off, the circuit is open (Off position).