e-Series On-Off Battery Switch - e-Series On-Off Battery Switch

e-Series On-Off Battery Switch - Mounting Diagram

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Blue Sea Systems

9004E-BSS

e-Series ON/OFF battery switch

Le coupe-batterie BLUE SEA e-Series ON/OFF 9004E est une solution fiable pour isoler une batterie unique vers un groupe de charges, adapté aux moteurs in-bord essence et diesel. Issu de la gamme e-Series, il offre une capacité continue de 350 A, une tension max de 48 V DC, et intègre la protection contre l'allumage ainsi qu'une fonction AFD. Le produit inclut le coupe-batterie 9004E.

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$105.00 USD

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Technical specifications

Product use	Gestion et déconnexion d'une seule batterie pour moteurs in-bord essence et diesel
Switch type	Monocircuit ON-OFF
Courant continu (A)	350
Courant intermittent (A)	600
Courant de démarrage (A)	1200
Maximale tension dc	48
Nombre de pôles	1
Positions	2
Protection AFD	Oui
Type de borne	Goujons en cuivre étamé
Terminal size	3/8"-16 (M10)
Type de connexion câblage	Cosses à œillet pour câble 4/0 AWG
Type de contrôle	Manuel rotatif
Mounting type	Montage en surface ou sur panneau arrière/avant
IP rating	IP66
Operating voltage range	0-48
Diamètre de découpe du panneau	40.39
Weight	0.43
Dimensions (W x H x D)	97.79 x 97.79 x 76.20
Conformité ABYC	Oui
Couleur de l'actionneur	Rouge
Style d'actionneur	Rotatif
Alternator Field Disconnect Wiring	F1, F2
Amperage	350
Ignition Protection Standards List	UL 1500, SAE J1171
Installation Location General	Près des batteries
Installation type	Montage en surface; Montage sur panneau arrière; Montage sur panneau avant
Voyant lumineux	Non
Mounting Centers Mm	76.20
Taille des vis de montage (métrique)	M6
Nominal voltage	48V
Operation Restriction Engine Running	Ne pas actionner moteur tournant
Nombre de prises	0
Type de produit	Coupe-batterie
Fonction de l'interrupteur	Déconnexion/Connexion de batterie
Terminal Stud Design Type	Monobloc
Terminal Stud Torque Nm	15.82
Ul certification	UL 1107

Detailed description

The BLUE SEA e-Series ON/OFF 9004E battery switch is designed for reliable management of a single battery to a load group, specifically for inboard gasoline and diesel engines. It belongs to the e-Series range from Blue Sea Systems, offering a continuous capacity of 350 A and a maximum operating voltage of 48 V DC, distinguishing it from the m-Series models (300 A, 48 V DC) intended for outboards and small engines, and the HD-Series models (500-600 A, 32 V DC) for large diesels.

Technical specifications and protection

This battery switch delivers electrical performance with a cranking capacity of 1,200 A for 30 seconds and an intermittent capacity of 600 A for 5 minutes. The terminal studs are made of tin-plated copper, 3/8"-16 (M10), ensuring maximum conductivity and corrosion resistance. Their one-piece design reduces the risk of overheating, and their length of 22.22 mm (7/8") allows for multiple 4/0 AWG (95mm²) cable lugs. A tightening torque of 15.82 N·m (140 in-lb) is recommended for connections.

Safety and installation

The 9004E includes ignition protection, meeting UL 1500 and SAE J1171 standards, making it safe for installation on gasoline-powered boats. Its Alternator Field Disconnect (AFD) function protects the alternator diodes if the switch is turned OFF while the engine is running. The housing allows for surface or rear-panel mounting and is IP66 rated, providing protection against powerful water jets. It complies with American Boat and Yacht Council (ABYC) requirements for battery switches, is UL 1107 certified, and CE marked to ISO 8846.

Documentation

Type	Nom
	EN - Instructions - e-Series On-Off Battery Switch
	EN - M Series, E Series, And Hd Series Battery Switch Ope... - e-Series On-Off Battery Switch
	EN - E Series Battery Switches - e-Series On-Off Battery Switch
	EN - Manual - e-Series On-Off Battery Switch
	EN - Certificate - e-Series On-Off Battery Switch
	EN - Certificate - e-Series On-Off Battery Switch
	EN - Certificate - e-Series On-Off Battery Switch

Expert opinion

« Technical analysis: BLUE SEA e-Series 9004E battery switch with AFD »

The BLUE SEA e-Series ON/OFF 9004E battery switch provides a practical and reliable solution for managing power to embedded systems, particularly on sailboats and powerboats equipped with inboard gasoline or diesel engines. Its continuous rated capacity of 350 A DC and maximum voltage of 48 V DC suit medium-sized electrical configurations, distinguishing it from the m-Series for small applications and the HD-Series for high-power systems. The inclusion of AFD (Alternator Field Disconnect) is a major safety feature, protecting the alternator from potential damage in case of sudden battery disconnection while the engine is running—a scenario commonly encountered in poorly optimized installations.

Installation is flexible with surface or rear-panel mounting options, and the 3/8"-16 (M10) tinned copper studs with a length of 22.22 mm facilitate connections for heavy-gauge cables (up to 4/0 AWG). It is critical to adhere to the 15.82 N·m (140 in-lb) torque specification to ensure optimal electrical connections and prevent overheating. This model integrates seamlessly into electrical systems compliant with ABYC and UL standards, and its IP66 rating ensures resistance to demanding marine environments. While it lacks battery combining functions like the Dual Circuit Plus models, its simple ON/OFF design is ideal for isolating a single battery or a dedicated battery bank for a specific load, such as starting or house power, without added complexity.

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e-Series ON/OFF battery switch

$105.00 USD

Frequently Asked Questions

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What is the main function of the BLUE SEA e-Series ON/OFF 9004E battery switch?

This battery switch is designed to disconnect a single battery or a bank of batteries in an emergency, or when the boat is not in use. It allows reliable power management from a battery to a group of loads, particularly for inboard gasoline and diesel engines.

What is the continuous rated current of this battery switch?

The BLUE SEA e-Series ON/OFF 9004E battery switch has a continuous rated current of 350 A.

What is the maximum operating voltage supported by model 9004E?

The maximum operating voltage for this battery switch is 48 V DC.

Is the 9004E battery switch ignition-protected?

Yes, model 9004E is ignition-protected. It meets UL 1500 and SAE J1171 standards, making it safe for installation on gasoline-powered boats. It is also ISO 8846 certified.

What is the particularity of the terminal studs on the e-Series battery switch?

The terminal studs are made of tinned copper, 3/8"-16 (M10), providing maximum conductivity and corrosion resistance. Their one-piece design reduces the risk of overheating, and their 22.22 mm (7/8") length accommodates multiple cable terminals.

What is the Alternator Field Disconnect (AFD) function and what is it used for?

The Alternator Field Disconnect (AFD) function protects the alternator's diodes. It activates if the switch is turned OFF while the engine is running, preventing damage to the alternator.

What is the difference between Blue Sea Systems' e-Series, m-Series and HD-Series battery switches?

The e-Series models (such as the 9004E) have a continuous rating of 350 A and are designed for inboard gasoline and diesel engines. The m-Series models have a continuous rating of 300 A and are intended for outboards and small gasoline or diesel engines. The HD-Series models have a continuous rating of 500–600 A and are for large diesel engines.

What is the ingress protection (IP) rating of the housing for this battery switch?

The housing of the 9004E battery switch is IP66 certified, providing protection against powerful water jets.

What are the starting and intermittent capacities of the 9004E battery switch?

Starting capacity (30 seconds): 1 200 AIntermittent capacity (5 minutes): 600 A

How many battery inputs and switching positions does this model have?

The BLUE SEA e-Series ON/OFF 9004E battery switch is a single-circuit model. It has one battery input and two switching positions (ON/OFF).

What are the mounting options available for this battery switch?

The 9004E battery switch housing allows surface mounting or rear-panel mounting.

Is the 9004E battery switch compatible with other brands' mounting hole patterns?

Yes, the 9004E battery switch housing is designed to fit most mounting hole patterns of PERKO and Guest battery switches.

What is the recommended torque for terminal connections?

The recommended torque for terminal stud connections is 15.82 N·m (140 in-lb).

What type of cable is recommended to meet the current specifications of the battery switch?

Use 4/0 AWG (95mm²) battery cables to meet the nominal current specifications. Reducing cable size will lower current capacity.

Where should the battery switch be installed?

The battery switch must be installed in a readily accessible location close to the batteries.

What safety precautions must be taken before installing the battery switch?

Before any installation, it is imperative to disconnect the positive terminal of the battery. It is also advisable to consult a marine electrician for proper wiring.

How to connect the Alternator Field Disconnect (AFD) function?

To connect the AFD function, cut the wire running from the alternator to the voltage regulator. Then connect one end of the wire to terminal F1 of the switch and the other end to terminal F2.

What are the safety and compliance standards met by this battery switch?

This battery switch complies with all American Boat and Yacht Council (ABYC) requirements for battery switches. It is also UL 1107 certified for electrical power switches and meets external ignition protection requirements per UL 1500 and SAE J1171. It is CE and ISO 8846 certified.