HD-Series Heavy Duty Selector Battery Switch - HD-Series Heavy Duty Selector Battery Switch

HD-Series Heavy Duty Selector Battery Switch - Mounting Diagram

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Blue Sea Systems

3002-BSS

HD-Series reinforced battery selector

Designed for demanding marine systems, the Blue Sea HD-Series 3002-BSS battery selector manages two battery banks with continuous 500 A capacity. Its "Make-Before-Break" function ensures uninterrupted power, setting it apart from lower-tier models. It is ignition protected (UL 1500, SAE J1171) and IP66 rated. The product includes the HD-Series battery selector with tinned copper M12-1.75 studs.

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£85.52 GBP

£85.52 GBP ~~£99.45 GBP~~

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

Custom installation

Trust Skysat to install the equipment on board

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Installers near you

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Support service

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Technical specifications

Product use	Management and selection of heavy-duty marine battery banks.
Switch type	Battery selector
Courant continu (A)	500
Courant intermittent (A)	700
Courant de démarrage (A)	1600
Maximale tension dc	32
Nombre de pôles	1
Positions	4 (OFF, 1, 2, 1+2)
Type de borne	Tinned copper threaded studs
Terminal size	M12 (1/2")
Type de connexion câblage	Eyelet (on stud)
Type de contrôle	Rotary knob
Mounting type	Surface or rear panel mounting
IP rating	IP66
Operating voltage range	0-32
Dimensions (W x H x D)	98 x 98 x 79.5
Couleur de l'actionneur	Red
Style d'actionneur	Rotary
Amperage	500
Cable Size To Meet Ratings Awg	4/0
Cable Size To Meet Ratings Mm2	120
Cranking Current Duration	30
Ignition protection standard	UL 1500, SAE J1171
Installation type	Surface or transom panel
Intermittent Current Duration	5
Voyant lumineux	No
Max Terminal Stud Torque	24.86 N·m (220 in-lb)
Mounting Centers Mm	76
Fastening type	Screw 1/4" (M6)
Nominal voltage	32.0
Type de produit	Battery selector
Fonction de l'interrupteur	Selection and combination of battery banks
Terminal Stud Length Mm	22.22
Terminal Stud Material	Tinned copper

Detailed description

The Blue Sea Systems HD-Series 3002-BSS battery selector is an electrical management component designed for demanding marine installations. With a continuous rating of 500 A, it is suitable for large diesel engines and high-consumption systems, positioning itself above the brand’s m-Series (300 A continuous) and e-Series (350 A continuous) ranges. It supports a cranking rating of 1,600 A for 30 seconds and an intermittent rating of 700 A for 5 minutes, all at a maximum voltage of 32 V DC.

Safety and Robustness

This selector features a "Make-Before-Break" contact design, allowing switching between battery banks without interrupting power to equipment. The M12-1.75 (1/2") tinned copper studs, 22.22 mm (7/8") long, ensure maximum conductivity and high corrosion resistance while accommodating multiple 4/0 AWG (120 mm²) cable lugs. The recommended tightening torque for these studs is 24.86 N·m (220 in-lb).

Installation and Compliance

The 3002-BSS housing is designed for versatile mounting, either surface or rear-panel. It fully complies with American Boat and Yacht Council (ABYC) requirements for battery switches, is UL 1107 listed for electrical power switches, and meets UL 1500 and SAE J1171 standards for external ignition protection, making it safe for installation on gasoline-powered boats. Its IP66 rating ensures protection against dust and powerful water jets, guaranteeing reliability in marine environments.

Documentation

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

Expert opinion

Pol CONIN

Digital Manager

« Technical analysis: HD-Series Blue Sea battery selector »

The Blue Sea Systems HD-Series 3002-BSS battery selector is a relevant choice for marine installations requiring robust and secure power management. It is particularly suited to vessels equipped with complex electrical systems, where the reliability of switching between battery banks is critical.

Its "Heavy Duty" classification makes it suitable for applications where the m-Series or e-Series ranges, with their lower continuous ratings, would be insufficient. The "Make-Before-Break" functionality is a strategic asset, as it ensures power continuity during switching. This prevents unexpected power cuts to navigation instruments, communication systems, or comfort equipment, thereby avoiding operational interruptions or loss of critical data.

In terms of installation, this selector integrates well in two-bank configurations (start and house), allowing isolated selection or combination of sources. It is an ideal complement to systems incorporating an Automatic Charging Relay (ACR) for optimized charging. Surface or rear-panel mounting options provide flexibility for integration in various technical compartments. However, it is imperative to comply with wiring requirements for 4/0 AWG cable and M12-1.75 stud torque (24.86 N·m) to ensure optimal conductivity and safety. It is strongly recommended to consult a marine electrician for compliant installation and to avoid risks, including damaging the alternator if switching to "OFF" while the engine is running without adequate protection.

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HD-Series reinforced battery selector

£85.52 GBP

£85.52 GBP ~~£99.45 GBP~~

Frequently Asked Questions

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What is the DC current capacity of this battery selector switch?

The Blue Sea Systems HD-Series 3002-BSS battery selector switch has a DC current capacity of 500 amperes. This capacity is suitable for large diesel engines and high-consumption systems.

What are the cranking and intermittent ratings of this switch?

This battery switch has a cranking rating of 1 600 amperes for 30 seconds and an intermittent rating of 700 amperes for 5 minutes.

What is the maximum operating voltage supported by the selector?

The Blue Sea Systems HD-Series battery selector supports a maximum operating voltage of 32 V DC.

What type of connection studs are used on this battery selector?

The selector uses M12-1.75 (1/2") tin-plated copper connection studs. These studs are 22.22 mm (7/8") long and designed for maximum conductivity and high corrosion resistance.

What is the recommended torque for connection studs?

The recommended tightening torque for the connection studs is 24.86 N·m (220 in-lb).

What battery cable types can the HD-Series battery selector accept?

The HD-Series battery selector is designed to accept battery cables with a cross-section of 4/0 AWG (120 mm²).

What mounting options are available for this battery selector?

The 3002-BSS selector housing is designed for versatile mounting, either surface-mounted or on the rear panel.

Is this battery selector switch inflammable-proof?

Yes, this battery selector switch is protected against external ignition. It meets UL 1500 and SAE J1171 standards, making it safe for installation on gasoline-powered boats.

What is the water and dust protection rating of this product?

The Blue Sea Systems HD-Series battery selector switch is IP66 rated, providing protection against dust and powerful water jets.

What are the main functions of this battery selector?

This selector allows you to choose between battery bank 1, battery bank 2, or the 1+2 combination. It is used for charging or emergency starting.

Is it necessary to disconnect the battery before installation?

Yes, it is mandatory to disconnect the positive terminal of the battery before installing the selector.

Where should the battery selector switch be installed for optimal performance?

The selector switch should be installed in an easily accessible location close to the batteries for optimal installation and practical use.

How should battery cables be connected to the terminals?

To meet the rated value, a 120mm² (4/0 AWG) cable must be connected to each battery terminal and two 120mm² (4/0 AWG) cables to the common terminal. Cable lugs must be secured under the nut.

What is the design feature of this selector's contacts?

This selector features a "Make-Before-Break" contact design. This allows switching between battery banks without interrupting power to the equipment, ensuring continuous service.

Which compliance standards does this battery selector meet?

This selector fully complies with American Boat and Yacht Council (ABYC) requirements for battery switches, is UL 1107 listed for electrical power switches, and meets UL 1500 and SAE J1171 standards for external ignition protection. It is also IP66 certified.

Can I turn the selector to OFF while the engine is running?

No, it is critical not to set the selector to OFF while the engine is running to avoid damaging the electrical system.

What should I do before setting the selector to the OFF position?

Before turning the battery selector to the OFF position, it is recommended to turn off all connected electrical devices.

Is this selector suitable for systems with large diesel engines?

Yes, with its continuous capacity of 500 amperes, the HD-Series selector is specifically suited to large diesel engines and marine systems with high power consumption.

How does the Blue Sea Systems warranty apply to this product?

Blue Sea Systems offers a satisfaction guarantee. Any Blue Sea Systems product a customer is not satisfied with can be returned for a refund or replacement at any time.

What is the difference in continuous capacity between Blue Sea's HD-Series and the m-Series or e-Series?

The HD-Series has a continuous capacity of 500 amperes. In comparison, the m-Series range has a continuous capacity of 300 amperes and the e-Series range has a continuous capacity of 350 amperes.