HD-Series Heavy Duty On-Off Battery Switch - HD-Series Heavy Duty On-Off Battery Switch

HD-Series Heavy Duty On-Off Battery Switch - Dimensioned Drawing

HD-Series Heavy Duty On-Off Battery Switch - Mounting Diagram

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Blue Sea Systems

3000-BSS

HD-Series Heavy Duty On-Off battery switch

The BLUE SEA HD-Series On-Off battery switch (PN 3000) is designed for high-power management on boats equipped with large diesel engines. With a continuous rating of 500 A and a cranking current of 1 750 A (30 sec), it provides reliable disconnection of a battery bank up to 32 V DC. Its M12 tinned copper terminals, IP66 protection, and compliance with ABYC/UL/SAE standards make it a robust and secure solution, exceeding the capabilities of the m-Series and e-Series for demanding applications. The product includes the battery switch only.

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£86.67 GBP

£86.67 GBP ~~£95.47 GBP~~

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Free pickup point from €150 in France
Pickup at Skysat possible

Custom installation

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Installers near you

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Support service

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Technical specifications

Product use	Battery disconnection for high-current marine applications
Switch type	Single-circuit ON-OFF
Courant continu (A)	500
Courant intermittent (A)	900
Courant de démarrage (A)	1750
Maximale tension dc	32
Nombre de pôles	1
Positions	2
Type de borne	Tinned copper bushing
Terminal size	M12-1.75 (1/2")
Type de connexion câblage	Through-bolt
Type de contrôle	Rotary
Mounting type	Surface or rear panel mounting
IP rating	IP66
Operating voltage range	0-32V
Diamètre de découpe du panneau	76.2
Dimensions (W x H x D)	97.8 x 97.8 x 78.7
Couleur de l'actionneur	Red
Style d'actionneur	Rotary
Amperage	500
Battery Inputs Count	1
Cable Size To Meet Ratings Awg	4/0
Cable Size To Meet Ratings Mm2	120
Certifications	UL 1107,UL 1500,SAE J1171,ISO 8846,ABYC,CE
Ignition protection standard	UL 1500, SAE J1171
Installation type	Surface or rear-panel mounting
Voyant lumineux	No
Fastening type	VHF
Taille des vis de montage (métrique)	M6
Nominal voltage	12V/24V
Type de produit	Battery switch
Switching Current Rating	25
Fonction de l'interrupteur	Switches a single battery to a single charging bank
Terminal Stud Length Mm	22.22
Terminal Torque Nm	24.86

Detailed description

Designed for demanding marine environments, the BLUE SEA HD-Series Heavy Duty On-Off battery switch (PN 3000) provides robust power management. This single-circuit battery switch is suitable for high-current applications, such as large diesel engines. It allows disconnecting a single battery or a battery bank for safety or maintenance purposes.

High Current Capabilities and Robust Construction

The HD-Series 3000-BSS battery switch stands out with its high current ratings: a 1,750 A cranking current for 30 seconds, a 900 A intermittent current for 5 minutes, and a continuous current of 500 A. It supports a maximum voltage of 32 V DC. Its M12-1.75 (1/2") tinned copper terminals ensure maximum conductivity and excellent corrosion resistance. The BLUE SEA one-piece terminal stud design guarantees stable and durable connections, preventing loosening over time. These 22.22 mm (7/8") long terminals can accommodate multiple cable lugs and accept battery cables up to 4/0 AWG (120 mm²).

Compliance and Flexible Installation

This switch is certified for ignition protection per UL 1500 and SAE J1171, making it safe for gasoline-powered boats. It is also UL 1107 listed and meets ABYC requirements for battery switches. Its IP66 rating ensures resistance to dust and powerful water jets. The housing design allows surface or rear-panel mounting, offering installation flexibility. Unlike BLUE SEA’s m-Series (300 A continuous, 48 V DC) and e-Series (350 A continuous, 48 V DC), the HD-Series is specifically sized for the higher current demands of installations with large diesel engines, though its maximum voltage is limited to 32 V DC.

Documentation

Type	Nom
	EN - Instructions - HD-Series Heavy Duty On-Off Battery Switch
	EN - M Series, E Series, And HD Series Battery Switch Operation Diagrams - HD-Series Heavy Duty On-Off Battery Switch
	EN - Manual - HD-Series Heavy Duty On-Off Battery Switch
	EN - Certificate - HD-Series Heavy Duty On-Off Battery Switch
	EN - Certificate - HD-Series Heavy Duty On-Off Battery Switch
	EN - Certificate - HD-Series Heavy Duty On-Off Battery Switch

Expert opinion

Pol CONIN

Digital Manager

« Technical analysis of the BLUE SEA HD-Series battery switch for high loads »

The BLUE SEA HD-Series On-Off (PN 3000) battery switch is a critical component for high-power marine electrical systems. Its "Heavy Duty" design places it above the m-Series or e-Series, offering a continuous current handling capacity of 600 A, which is essential for large diesel engines and high-consumption installations. The integration of robust M12 tinned copper terminals, with a length of 22.22 mm, is a significant advantage, allowing the connection of multiple large-gauge cables (up to 120 mm²) without compromising safety or conductivity. This feature reduces potential failure points in power circuits.

From an installation perspective, the positioning of this switch must be strategic: close to the batteries to minimize the length of large-gauge cables, while remaining easily accessible for emergency or maintenance operations. The ignition protection (compliant with UL 1500, SAE J1171) makes it mandatory for any installation aboard gasoline-powered vessels, ensuring enhanced safety against explosion risks. It is critical to respect the 24.86 N·m torque for the terminals to ensure optimal connection and prevent overheating. It is also crucial never to cut power while the engine is running, to protect the alternator. This model is perfectly suited for vessels requiring a simple and reliable cut-off of a single battery bank, without selection or combination functions. For multi-bank management or more complex functions, HD-Series models with a selector or Dual Circuit Plus should be considered.

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HD-Series Heavy Duty On-Off battery switch

£86.67 GBP

£86.67 GBP ~~£95.47 GBP~~

Frequently Asked Questions

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What is the primary use of the BLUE SEA HD-Series Heavy Duty On-Off battery switch?

The BLUE SEA HD-Series Heavy Duty On-Off battery switch is designed to disconnect a single battery bank. It allows isolation of the battery or battery bank for safety, maintenance, or when the boat is not in use, particularly in high-current applications such as large diesel engines.

What is the cranking rating of the 3000-BSS model?

The HD-Series 3000-BSS battery switch can handle a cranking rating of 1,750 amperes (A) for 30 seconds.

What is the maximum operating voltage supported by this switch?

The HD-Series Heavy Duty On-Off battery switch supports a maximum operating voltage of 32 Volts DC.

What materials are used for the studs on the terminals?

The studs on the terminals are made of tinned copper. This material ensures maximum conductivity and excellent corrosion resistance, essential in marine environments.

What is the size of the connection terminals?

The connection terminals are size M12-1.75, which corresponds to a 1/2 inch diameter.

What is the length of the terminal studs?

The terminal studs are 22.22 mm (7/8 inches) long. This length accommodates multiple cable terminals for flexible connections.

How many charging cables can be connected to the terminals?

The battery switch is equipped with two studs for charge connections, allowing up to eight charging cables to be connected in total.

What are the mounting options available for this battery switch?

The battery switch housing is designed for surface mounting or rear-panel mounting, providing installation flexibility.

Where is it recommended to install the battery switch on the boat?

The battery switch should be mounted in a readily accessible location close to the batteries to facilitate operation and maintenance.

What is the recommended torque for terminal nuts?

The recommended torque for terminal nuts is 24.86 N·m (220 in-lb) to ensure stable and secure connections.

What type and size of battery cables can this battery switch accept?

This battery switch is designed to accept battery cables up to 4/0 AWG (120 mm²) to match its rated current capacity.

Are there any precautions to take before installing the battery switch?

Yes, it is imperative to disconnect the battery's positive terminal before installing the battery switch for safety reasons. It is also advisable to consult a marine electrician for proper wiring.

Is it safe to turn the switch off while the engine is running?

No, it is strongly recommended not to set the battery isolator to the OFF position while the engine is running. This could damage the alternator or other components of the electrical system.

Should electrical devices be turned off before switching the battery switch to OFF?

Yes, it is advisable to turn off all electrical devices before switching the battery switch to the OFF position to avoid any voltage spikes or potential damage to equipment.

Is the HD-Series battery switch protected against ignition for gasoline-powered boats?

Yes, this switch is certified for ignition protection per UL 1500 and SAE J1171 standards, making it safe for use on boats equipped with gasoline engines.

What is the ingress protection (IP) rating of this battery switch against dust and water?

The HD-Series battery switch has an IP66 protection rating. This means it is fully protected against dust and powerful water jets, making it ideal for marine environments.

Which main standards and certifications does this product comply with?

This battery switch complies with several important standards and certifications, including:

ABYC (American Boat and Yacht Council) requirements for battery switches.UL 1107 certification for electrical power switches.Ignition protection per UL 1500 and SAE J1171.Compliance with ISO 8846 and Directive 94/25/EC for ignition protection.

Is this battery switch a single-circuit or multi-circuit model?

The BLUE SEA HD-Series Heavy Duty On-Off Battery Switch is a single-circuit ON-OFF model. It is designed to switch one battery or one battery bank to a single load group.