Bloc de fusibles de bus divisé à lame ST - ST Blade Split Bus Fuse Block

Bloc de fusibles de bus divisé à lame ST - Dimensioned Drawing

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Blue Sea Systems

5032B-BSS

Bloc de fusibles ST Blade amb bus dividit

The Blue Sea ST Blade 5032B-BSS fuse block is designed for efficient management of 12 marine electrical circuits, featuring a split bus for six 24-hour circuits and six switched circuits, with a maximum voltage of 32V DC and a total current of 100A. This solution optimizes wiring organization and meets ABYC/USCG requirements. It is supplied with a transparent insulating cover and stainless steel stud nuts, but fuses and labels are sold separately.

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73,52€

73,52€ ~~115,68€~~

IVA inclòs Expedició calculada en el moment del pagament.

Estoc baix

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

through our network of certified installers

Find an installer

Service d'assistance

Choose additional assistance for installation

Technical specifications

Tipus de fusible	ATO/ATC
Tensió nominal	12/24
Amperatge	30.0
Rang de calibratge de fusible compatible	1-30 A
Poder de tall en curtcircuit	1.0
Nombre de fusibles	12.0
Tipus de muntatge	À vis
Mida de les clavilles	4.8
Mida de la rosca del terminal	4.2
Coberta de protecció inclosa	Oui
Conformitat ABYC	Oui
Material dels contactes	Cuivre étamé
Material de la carcassa	Plastique
Parell de cargol recomanat de les terminals	2.71
Secció de cable màxima per cargol	25.0
Dimensions (L x A x P)	186.6 x 63.5 x 84.2
Pes	0.34
Certificacions	ABYC/USCG
Bus Material	Cuivre étamé
Max Amperage Per Load Group	80
Max Operating Voltage Dc	32
Max Total Amperage	100
Tipus de producte	Bloc de fusibles
Recommended Wire Size Branch Circuit Awg	10-16
Recommended Wire Size Positive Feed Awg	4-6
Recommended Wire Size Positive Feed Mm2	16-25

Detailed description

Dissenyat per a instal·lacions elèctriques marines complexes, el bloc de fusibles ST Blade amb bus dividit de Blue Sea 5032B-BSS ofereix una gestió diferenciada dels circuits. Permet combinar en un mateix bloc sis circuits alimentats en continu (24 hores) i sis circuits commutats, optimitzant així l’organització del cablejat a bord. Aquest sistema elimina la necessitat de dos blocs diferents per a les necessitats d’alimentació permanents i controlades, facilitant la integració d’equips essencials com bombes de sentina i sistemes de navegació.

Capacitats i especificacions tècniques

El 5032B-BSS està dimensionat per a una tensió màxima de 32V CC, amb una capacitat de 30A per circuit individual i un corrent total de 100A (sense superar els 80A per grup de càrrega). Utilitza fusibles de tipus ATO® o ATC®, fàcilment disponibles. Les connexions es realitzen mitjançant terminals de cargol #8-32 amb arandeles de seguretat per als circuits de derivació, que accepten cables de 10 a 16 AWG (6-15 mm²). L’alimentació principal es connecta mitjançant perns #10-32, adequats per a cables de 4 a 6 AWG (25-16 mm²), assegurats amb femelles de base d’acer inoxidable. El parell de serratge recomanat és de 2,71 N·m (24 in-lb) per als perns #10 i de 2,03 N·m (18 in-lb) per als cargols #8.

Disseny i integració

Aquest bloc de fusibles incorpora bus i clips de fusibles de coure estañat, que garanteixen una conductivitat i resistència a la corrosió adequades per a l’entorn marí. La coberta aïllant transparent compleix amb els requisits d’aïllament ABYC/USCG i inclou espais per a etiquetes així com un compartiment per emmagatzemar dos fusibles de recanvi. En comparació amb altres productes de la gamma Blue Sea, com el bloc 5035 (6 circuits independents) o el 5025 (6 circuits positius), el 5032B-BSS destaca per la seva configuració amb bus dividit i presa de terra integrada, que ofereix una flexibilitat superior per a instal·lacions que requereixen una combinació de circuits permanents i commutats en un únic emplaçament. Els fusibles i les etiquetes es venen per separat.

Expert review

Pol CONIN

Responsable digital

« Flexibility and safety for mixed electrical architectures »

The Blue Sea ST Blade 5032B-BSS fuse block is a relevant solution for naval architects and installers facing the growing complexity of onboard electrical systems. Its split-bus functionality, allowing the coexistence of 24-hour circuits and switched circuits within a single compact unit, significantly simplifies wiring and maintenance. This configuration is particularly advantageous for cruising sailboats and small motor yachts where space is often limited and a clear distinction between safety equipment (smoke detectors, bilge alarms) and comfort equipment (radio, cabin lighting) is critical.

The integration of a ground connection on the negative bus enhances safety and compliance with ABYC standards, a key point for long-term reliability. During installation, it is crucial to adhere to the recommended wire sizes (4-6 AWG for the main power feed, 10-16 AWG for branch circuits) and specified torque values to ensure connection integrity. The space for labels and spare fuses under the cover is a practical detail that facilitates quick troubleshooting at sea. While capable of handling a total of 100A, it is important not to exceed 80A per load group to maintain the system's nominal performance. This model is ideal for streamlining secondary electrical panels or extending existing installations without overloading the main panel.

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Bloc de fusibles ST Blade amb bus dividit

73,52€

73,52€ ~~115,68€~~

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Frequently Asked Questions

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What is a Blue Sea ST Blade split bus fuse block?

A Blue Sea ST Blade split bus fuse block is designed to handle both continuously powered circuits (24 hours) and switched circuits on a single block. This allows for optimized wiring organization aboard, avoiding the use of two separate blocks for these two types of power supply.

How many circuits does this fuse block support?

This fuse block supports a total of 12 circuits. It is divided into two isolated groups of six circuits each, allowing separation of 24-hour circuits from switched circuits.

Which types of fuses are compatible with this block?

This fuse block is compatible with ATO® or ATC® type fuses, which are commonly available fuse types.

What is the maximum current per individual circuit?

Each individual circuit in this fuse block can handle a maximum current of 30 amperes (30A).

What is the maximum total current that the block can support?

The fuse block can support a maximum total current of 100 amperes (100A). It is important to note that the current must not exceed 80A per load group (the two groups of six circuits).

What is the maximum operating voltage of this fuse block?

The maximum operating voltage for this fuse block is 32V DC.

What materials are the fuse buses and clips made of?

The fuse buses and clips are made of tinned copper. This material provides excellent electrical conductivity and superior resistance to corrosion, which is particularly important in a marine environment.

Is the fuse block supplied with a protective cover?

Yes, the fuse block is supplied with a transparent insulating cover. This cover meets ABYC/USCG insulation requirements for enhanced safety.

Are fuses included with the purchase of the block?

No, fuses are not included with the purchase of the fuse block and must be purchased separately.

Does the fuse block cover offer additional features?

Yes, the transparent cover is designed with label holders to easily identify each circuit, and it also includes a storage space for two spare fuses.

Does this fuse block include a negative bus for ground?

Yes, this fuse block is equipped with a negative bus featuring a #10-32 stud for ground connection.

What are the recommended wire sizes for the main power supply of the unit?

For the main positive power supply, it is recommended to use 4 to 6 AWG (25-16 mm²) wires. Connections are made via #10-32 studs.

What wire sizes are recommended for branch circuits?

For individual branch circuits, use 10 to 16 AWG (6-15 mm²) wires. Connections are made via #8-32 screw terminals.

What is the recommended torque for the main power feed studs?

The recommended torque for the #10 studs on the main power feed is 2.71 N·m (24 in-lb).

What is the recommended tightening torque for the screw terminals of branch circuits?

The recommended tightening torque for #8 screws on branch circuit terminals is 2.03 N·m (18 in-lb).

How is the fuse block mounted?

The fuse block is mounted using #8 (M4) screws.

Is this fuse block suitable for 12V and 24V marine electrical systems?

Yes, this fuse block is fully suitable for 12V and 24V marine electrical systems, as its maximum operating voltage is 32V DC.

Can this fuse block be used with two isolated batteries?

Yes, this fuse block is designed to be used either with two isolated batteries or with a single battery to power a mix of 24-hour and switched circuits.

What is the warranty policy for this Blue Sea Systems product?

Blue Sea Systems products are generally covered by a manufacturer's limited warranty. To obtain specific details and warranty conditions for this fuse block, consult the official Blue Sea Systems website or the documentation provided with the product.