m-LVD Low Voltage Disconnect - Dimensioned Drawing

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Blue Sea Systems

7635-BSS

Deconectator de tensiune joasă m-LVD

Le déconnecteur basse tension BLUE SEA m-LVD est une solution automatique pour protéger vos batteries 12V DC de la décharge profonde, en coupant les charges non essentielles. Il offre une tension de déconnexion ajustable de 11.3V à 12.1V et une certification IP67. Ce produit inclut le commutateur de contrôle à distance PN 7928 et un couvercle isolant arrière.

Prix publicBénéficier du tarif pro

690,56 RON

690,56 RON ~~750,02 RON~~

TTC Expediere calculată la momentul plății.

Stoc epuizat

Point relais offert dès 150€ en France
Retrait chez Skysat possible

Installation sur mesure

Faites confiance à Skysat pour installer l'équipement à bord

Demander un devis

Installateurs autour de vous

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Caractéristiques techniques

Tensiune nominală	12
Dimensiune bornă	M6 (1/4"-20)
Indice IP	IP67
Protecție AFD	Non
Alarm Time Before Disconnect	5
Curent continuu (A)	65.0
Tip control	Commutateur à distance
Dimensiuni (L x H x P)	70 x 70 x 50
Disconnect Voltage Range	11.3V - 12.1V
Factory Default Disconnect Voltage	12.1
Curent intermitent (A)	115 (5 min)
Blocabil cu cheie	Non
Tip de montaj	Surface, panneau avant ou panneau arrière
Număr de poli	1
Operating Current Connected Ma	95
Operating Current Open Ma	4
Interval de tensiune de funcționare	11.3V - 13.5V DC (nominal 12V DC)
Diametrul decupajului panoului (mm)	58.7
Poziții	Réglage de la tension de déconnexion, Override, Arrêt
Destinația produsului	Déconnecte automatiquement les charges non essentielles pour préserver la batterie et assurer le démarrage du moteur.
Reconnect Voltage	13
Remote Control Switch Included	Oui
Tip de comutator	Déconnecteur de basse tension automatique
Tip bornă	Goujon fileté
Time Delay To Alarm	5
Total Disconnect Delay	10
Tip conexiune cablare	À goujons

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Description détaillée

Proiectat pentru gestionarea inteligentă a alimentării sistemelor 12V CC, m-LVD Low Voltage Disconnect de la BLUE SEA este un deconectator automat de tensiune joasă. Asigură protecția bateriilor împotriva descărcării profunde prin oprirea automată a consumatorilor neesențiali atunci când tensiunea bateriei scade sub un prag prestabilit. Această funcție permite păstrarea energiei necesare pentru pornirea motorului sau prelungește durata de viață a bateriei.

Specificații Tehnice și Caracteristici Principale

m-LVD oferă o tensiune nominală de 12V CC, cu o capacitate de 65A în regim continuu și 115A în regim intermitent pe 5 minute. Tensiunea de deconectare este ajustabilă între 11.3V și 12.1V, cu o setare din fabrică la 12.1V. Sistemul integrează o întârziere de 5 minute înainte de activarea unei alarme (dacă este opțională) când tensiunea scade sub prag, urmată de o altă întârziere de 5 minute înainte de deconectarea efectivă, totalizând 10 minute. Reconectarea se realizează automat când tensiunea depășește 13.0V timp de 2 minute sau 13.5V timp de 30 de secunde. Consumul de curent este de 95mA în stare conectată și 4mA în stare deconectată.

Acest deconectator este livrat cu comutatorul de control la distanță PN 7928, care permite ajustarea tensiunii de deconectare, activarea unui mod "Override" care amână tăierea alimentării cu 10 minute, sau oprirea manuală a circuitelor prin funcția "OFF". Comutatorul permite, de asemenea, dezactivarea alarmei sonore opționale. m-LVD este certificat IP67 pentru imersiune temporară și respectă cerințele de protecție împotriva inflamării externe ISO 8846 și SAE J1171. Suportă cabluri până la 1/0 AWG (50mm²) cu borne de 1/4"-20 (M6) care necesită un cuplu de 60 in-lb (6.78 Nm). Greutatea unității nu este specificată în documentația furnizată sau în sursele web.

Integrare și Poziționare

În timp ce produse precum întrerupătoarele manuale BLUE SEA sau distribuitoarele de încărcare (ACR) gestionează, respectiv, izolarea sau distribuția energiei, m-LVD se poziționează ca un element de protecție proactivă a bateriilor. Acesta diferă de un simplu întrerupător de baterie prin automatizare și capacitatea de a gestiona exclusiv consumatorii neesențiali. Comparativ cu soluțiile complexe care integrează gestionare multifuncțională a bateriei, m-LVD oferă o soluție țintită și simplificată pentru deconectarea tensiunii joase, în special adaptată instalațiilor 12V CC care necesită o protecție fiabilă împotriva descărcării profunde fără complexitatea unui sistem complet.

Documentations

Type	Nom
	EN - Instructions - m-LVD Low Voltage Disconnect
	EN - Certificate - m-LVD Low Voltage Disconnect
	EN - Certificate - m-LVD Low Voltage Disconnect

Avis de l'expert

Pol CONIN

Responsabil digital

« Smart 12V DC battery protection: expert review of the m-LVD disconnect switch »

The BLUE SEA m-LVD low-voltage disconnect is a critical component for the longevity of 12V DC onboard electrical systems. It is specifically designed for boat owners, recreational vehicle owners, or standalone installations seeking to protect their service battery bank from deep discharges without constant manual intervention. Its primary function is to maintain sufficient energy reserves for engine starting by automatically shedding secondary loads before the voltage reaches a critical threshold.

Installation is simplified by its multiple mounting options (surface, front or rear panel) and clear documentation. For optimal integration, it should be placed on non-critical charging circuits downstream of the main battery switch. Wiring must comply with recommendations for 6 AWG (16mm²) for nominal currents, though the device physically accepts up to 1/0 AWG (50mm²). An optional audible alarm adds value by providing a pre-alert before disconnection occurs.

This m-LVD stands out from traditional battery switches due to its intelligence and automation. Unlike a simple switch, it actively monitors voltage and acts preventively. Its ability to adjust the disconnection voltage (between 11.3V and 12.1V) and the "Override" function via the remote switch offers valuable flexibility to adapt to different battery types and immediate user needs. It is a standalone and effective solution that does not require integration into a complex NMEA 2000 network, making it particularly relevant for simpler electrical systems or as a complement to existing installations. Its robust design, IP67 certified and compliant with ignition protection standards, ensures reliability in marine environments.

Durabilité

Facilité d'installation

Rapport performance / prix

Paiement et sécurité

Vos informations de paiement et données sont traitées de manière sécurisée.

Deconectator de tensiune joasă m-LVD

690,56 RON

690,56 RON ~~750,02 RON~~

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Questions fréquentes

Besoin d'aide ? Contactez-nous

What is the m-LVD Low Voltage Disconnect from BLUE SEA?

The BLUE SEA m-LVD (Low Voltage Disconnect) is an automatic low-voltage disconnect designed for 12V DC systems. Its primary function is to protect batteries from deep discharge by automatically cutting non-essential loads when the battery voltage drops below a predefined threshold. This preserves the energy required for engine starting or extends battery life.

What are the main functions of the m-LVD Low Voltage Disconnect?

The main functions of the m-LVD include:

Battery protection against deep discharge.Automatic disconnection of non-essential loads in case of low voltage.Automatic reconnection of circuits when battery voltage is restored.A visual indicator of low-voltage status.An alarm output for optional audio warning.Remote control for adjusting disconnect voltage, an "Override" mode, and manual "OFF" function.

What is the nominal operating voltage of the m-LVD?

The m-LVD Low Voltage Disconnect is designed to operate with a nominal voltage of 12V DC.

What is the DC current capacity of the m-LVD?

The m-LVD can handle a continuous current of 65 amperes (A).

What is the intermittent current capacity of the m-LVD?

The m-LVD has an intermittent current capacity of 115 amperes (A) for a maximum duration of 5 minutes.

Is the m-LVD water-resistant or suitable for marine environments?

Yes, the m-LVD is IP67 certified, meaning it is protected against temporary immersion. It also meets the external ignition protection requirements of ISO 8846 and SAE J1171, making it suitable for marine environments.

What are the safety certifications for the m-LVD?

The m-LVD complies with external ignition protection requirements per ISO 8846 and SAE J1171 standards. It is also CE certified under Directive 2013/53/EU for recreational craft and powered watercraft.

What is the current consumption of the m-LVD?

The m-LVD draws 95 mA in connected state (normal operation) and only 4 mA in open state (disconnected).

Does the m-LVD have a visual indicator for voltage status?

Yes, the m-LVD is equipped with a status light that provides a visual warning of low voltage state before disconnection. This indicator is present both on the m-LVD and on the remote control switch.

Can the m-LVD trigger an audible alarm in case of low voltage?

Yes, the m-LVD has an alarm output that can be connected to an optional sound alarm. This alarm is triggered 5 minutes after the voltage drops below the disconnection threshold, providing an audible warning before the circuits are effectively cut off.

How to adjust the disconnect voltage threshold on the m-LVD?

To adjust the disconnect voltage, hold the OVERRIDE position on the remote control switch for 10 seconds. The LED will start flashing to indicate the current setting. Use the OFF position to decrease the voltage in 0.2V increments (down to 11.3V) and the OVERRIDE position to increase it (up to 12.1V). The factory setting is 12.1V. Release the switch and wait approximately 20 seconds for the new setting to be saved.

What are the safety prerequisites before installing the m-LVD?

Before starting any electrical installation, it is imperative to disconnect all AC and DC power sources. If you are not familiar with electrical systems, it is recommended to consult a qualified professional. Never service equipment that has been automatically disconnected by the m-LVD without first permanently removing power by another means than the m-LVD itself.

How to choose the mounting location for the m-LVD and its remote switch?

The m-LVD can be installed in three ways: on the rear panel, on the front panel, or on the surface. The remote control switch is typically mounted on a panel. Drilling dimensions are provided for installing the remote switch.

What cable size is recommended to connect the m-LVD?

To match the current capacity of the m-LVD, the minimum recommended cable size is 6 AWG (16mm²). However, larger cable sizes may be required to minimize voltage drop over long distances. It is recommended to consult a certified ABYC electrician for proper cable sizing and fuse selection.

What are the dimensions of the m-LVD connection terminals?

The m-LVD connection terminals are 1/4"-20 (M6) studs.

Is the m-LVD supplied with a remote control switch?

Yes, the m-LVD is supplied with the PN 7928 remote control switch. This switch allows you to adjust the disconnect voltage, activate the "Override" mode, or manually cut circuits using the "OFF" function.

Should fuses be used with the m-LVD? If so, what size?

Yes, using fuses is essential for circuit protection. The fuse size depends on the maximum current of the protected circuit:

For ≤30A: 40A-50A fuse with #10 AWG (6mm²) cable
For ≤50A: 60A-65A fuse with #8 AWG (10mm²) cable
For ≤65A: 90A-100A fuse with #6 AWG (16mm²) cable
It is recommended to consult a certified ABYC electrician for correct fuse placement and sizing.

Is the m-LVD compatible with systems other than 12V DC?

No, the m-LVD is specifically designed for electrical systems with a nominal voltage of 12V DC. It is not compatible with systems of different voltage (e.g., 24V DC or AC).