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Battery Switches
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  5. Boating
  6. Electrical Equipment
  7. Battery Switches
  8. Blue Sea Systems…
Blue Sea Systems

Blue Sea Systems On/Off Battery Isolator Switch With Locking Key, Red, 300A 48V DC | Ignition Protected for Marine Use

4.5
(8 Ratings)
Blue Sea Systems On/Off Battery Isolator Switch With Locking Key, Red, 300A 48V DC | Ignition Protected for Marine Use - main product image
All-inclusive price — duties & taxes paid, no customs charges at delivery
₹6,846₹8,541

You save ₹1,695 (20%)

20% off the seller list price

Qty
Blue Sea Systems On/Off Battery Isolator Switch With Locking Key, Red, 300A 48V DC | Ignition Protected for Marine Use — Red / Key
Red / Key
₹1,739
₹1,901
In Stock
Blue Sea Systems On/Off Battery Isolator Switch With Locking Key, Red, 300A 48V DC | Ignition Protected for Marine Use — Black / Selector 4 Pos.
Black / Selector 4 Pos.
₹7,821
₹8,975
In Stock
Blue Sea Systems On/Off Battery Isolator Switch With Locking Key, Red, 300A 48V DC | Ignition Protected for Marine Use — Black / Key
Black / Key
₹2,825
₹4,125
In Stock
Blue Sea Systems On/Off Battery Isolator Switch With Locking Key, Red, 300A 48V DC | Ignition Protected for Marine Use — Red
Red
₹6,846
₹8,541
In Stock

Doorstep delivery by 23 Oct - 25 Oct from USA

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Secure Your Marine Electrical System

About this item

The Blue Sea Systems On/Off Battery Isolator Switch (model 6004-BSS) provides essential battery control for single-battery marine systems. Its compact size and ignition protection make it safe for gasoline engine compartments, while flexible mounting options suit various panel layouts. This switch ensures reliable power management and safety for your boat's electrical needs.

Engineered with a removable knob to prevent accidental current flow, this switch enhances safety during electrical system service. The one-piece tin-plated copper studs offer durable connection points, accepting multiple cables for a secure setup. Its robust construction is designed to withstand marine environments, ensuring long-lasting performance and peace of mind.

For Indian boat owners, this USA-sourced battery isolator switch offers superior corrosion resistance compared to basic alternatives. All customs duties and GST are included in the listed price, with tracked delivery via ExpressBox. 13-15 days.

Key Features

  • COMPACT DESIGN: Supports installation in tight spaces; helps fit the unit into limited mounting areas
  • MOUNTING OPTIONS: Offers surface, rear, or front mounting choices; allows flexible placement to suit various panel layouts
  • ON OFF SWITCH: Features a removable knob to help prevent accidental current flow in the DC system; supports safer handling during electrical system service
  • IGNITION PROTECTION: Suitable for installation in engine rooms of gasoline powered boats; helps meet location requirements for protected components
  • COPPER STUDS: One piece tin plated copper studs measure 7/8 in and accept multiple cables; provide a durable connection point

Why choose this product

Engineered for Marine Reliability

Blue Sea Systems is renowned for robust marine electrical components. This isolator switch is built with ignition protection and durable tin-plated copper studs, ensuring it withstands harsh marine conditions and provides safe, reliable power control for your single battery setup. Unlike basic switches, it's designed for longevity and safety in demanding environments.

Ideal for Single Battery Setups

This switch is perfect for boaters managing a single battery bank who need a reliable way to disconnect power for safety or to prevent drain. It's not suitable for dual-battery systems requiring selection between banks. If you need to isolate a single battery, this offers a compact, safe, and easy-to-install solution.

How to use

  • Mount the Switch — Choose a suitable location, considering space and ignition protection requirements. Use the provided mounting options (surface, rear, or front) to securely attach the switch to your panel or engine room bulkhead.
  • Connect Battery Cables — Ensure the switch is in the 'OFF' position. Connect the positive cable from your battery to one stud and the positive cable to your electrical system (load) to the other stud. Tighten the tin-plated copper studs securely.
  • Operate the Switch — To connect power, insert the removable knob and turn it to the 'ON' position. To disconnect power, turn the knob to 'OFF' and remove it to prevent accidental activation. This ensures safe handling during service.

Example scenarios

Typical situations where Blue Sea Systems On/Off Battery Isolator Switch With Locking Key helps — illustrative scenarios, not customer reviews.

1
Scenario 1
Illustrative example
Where it helps

A boater in Kerala needs to safely disconnect their single battery during monsoon season to prevent drain and ensure safety.

How this product helps

This Blue Sea Systems isolator switch provides reliable power cutoff with ignition protection. Its robust, corrosion-resistant build handles humidity, and the removable knob prevents accidental power-on, ensuring peace of mind during storage.

2
Scenario 2
Illustrative example
Where it helps

A user with a small gasoline-powered boat needs a compact battery switch for their engine compartment where space is limited.

How this product helps

The switch's compact design and flexible mounting options allow easy installation even in tight spaces. Ignition protection ensures safety around gasoline fumes, offering a secure and compliant solution for essential battery management.

Technical specifications

Setup & usage

Operating Voltage48V DC (rated up to 48V)
Current Rating300A continuous
Wattage14.4 kW
Circuit Type2-way
Compatible DevicesBoats, RVs, vehicles with electrical systems
Compatible Vehicle TypeBoat
Included ComponentsBattery Switch
Number of Items1
Number of Positions1
IP RatingIP66
Temperature Rating1°C to 1°C
Shelf life after opening12 months (category default for electrical components)
ContraindicationsNot suitable for dual-battery systems requiring selection between banks.

How we compare

FeatureBlue Sea SystemsOthers
Authenticity & SourcingImported from authorized US retailers and brand partners, factory-sealed.Varies by brand; some may be grey-market imports or lower-quality local manufacturing.
Ignition ProtectionYes, certified for gasoline engine compartments.Often absent in basic models; may not meet safety standards for enclosed engine spaces.
Corrosion ResistanceTin-plated copper studs, robust construction for marine environments.May use plated steel or lower-grade copper, prone to faster corrosion in humid Indian coastal conditions.
Amperage Rating300A continuous.Typically 100A-200A in basic models; higher ratings may be significantly more expensive.
Cost per unit1 unit at ₹6,846 — ₹6,846 per unitLocal 100A-200A switches range from ₹1,500 - ₹4,000.

Product details

SKUbue6923
GTIN0632085060046
BrandBlue Sea Systems
Model NameBlue Sea Systems Boating Electrical Equipment
Part Number6004-BSS
Item NameBlue Sea Systems On/Off Battery Isolator Switch With Locking Key, Red, 6004 m‑Series
ColorRed
StyleOn-Off w/Locking Key
Switch TypeSingle Circuit On-off
Control TypeOn-Off
Operation ModeOFF-NONE-ON
Mounting TypePanel Mount
MaterialPlastic, Copper, Tin-plated
Item Weight0.29 kg (0.65 lb)
Dimensions (L x W x H)17.8 cm x 10.2 cm x 10.2 cm (7 in x 4 in x 4 in)
Country of OriginNot stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners

About Blue Sea Systems

Blue Sea Systems specializes in high-quality marine electrical components, known for reliability and safety in demanding environments.

Compliance & Legal

No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.

Customer Reviews

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FAQ, See What Others Asked

How do I choose the right amperage rating for a marine battery switch?
Match the switch's continuous amperage rating to your total electrical load and its cranking rating to your engine's starter draw. This Blue Sea Systems switch is rated for 300A continuous, suitable for most single-battery marine applications. Check your motor's cranking amps and accessory load to ensure headroom.
Is this Blue Sea Systems battery isolator switch safe for gasoline engine compartments?
Yes, this switch features ignition protection, making it suitable for installation in engine rooms of gasoline-powered boats. This helps meet location requirements for protected components, ensuring safer operation in potentially hazardous environments.
What is the difference between a battery disconnect switch and a dual-battery selector switch?
A disconnect switch, like this Blue Sea Systems model, simply turns a single battery bank on or off to cut power. A dual-battery selector switch allows choosing between two banks or combining them. This unit is designed for single-battery systems only.
How do I buy an original Blue Sea Systems battery isolator switch in India?
CrowCrowCrow imports original Blue Sea Systems products directly from authorized US retailers and brand partners. This battery isolator switch is factory-sealed, with all customs duties and GST included in the price. It ships via ExpressBox tracked delivery, 13-15 days.
Can I use this battery isolator switch for my 12V boat system?
Yes, this switch operates on DC systems and is rated up to 48V. It is fully compatible with standard 12V marine electrical systems, providing reliable on/off control for your single battery.
What does 'ignition protected' mean for this battery switch?
Ignition protection means the switch is designed to prevent sparks that could ignite fuel vapors in an engine compartment. This feature is crucial for safety on gasoline-powered boats, making this Blue Sea Systems switch suitable for such installations.

Frequently bought together

Blue Sea Systems On/Off Battery Isolator Switch With Locking Key, Red, 300A 48V DC | Ignition Protected for Marine Use

This item:

Blue Sea Systems On/Off Battery Isolator Switch With Locking Key, Red, 300A 48V DC | Ignition Protected for Marine Use

₹6,846

Blue Sea Systems On/Off Battery Isolator Switch With Locking Key, Red, 300A 48V DC | Ignition Protected for Marine Use

This item

Blue Sea Systems On/Off Battery Isolator Switch With Locking Key, Red, 300A 48V DC | Ignition Protected for Marine Use

₹6,846

Total price:

₹11,410

You save ₹3,157 (22%) Extra

3 items selected

3 items

₹11,410

You save ₹3,157 (22%) Extra

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Spec
Price
₹6,846
₹8,541
₹1,739
₹1,901
₹2,825
₹4,125
₹20,370
₹22,020
₹6,340
₹6,400
₹15,360
₹21,750
₹5,230
₹8,170
Rating
4.50(8)
5.00(4)
5.00(4)
4.88(8)
4.50(282)
4.60(347)
4.40(295)
Brand NameBlue Sea SystemsBlue Sea SystemsBlue Sea SystemsLucas OilLindyGaiamAerobie
SourceUS RetailUS RetailUS RetailUS RetailUS RetailUS RetailUS Retail
Sold ByCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrow
Imported from USA
₹6,846₹8,541

You Save ₹1,695

Estimated delivery: Doorstep delivery by 23 Oct - 25 Oct from USA
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Tracked from USA · duties included
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Your Order Journey: From Purchase to Doorstep

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Place your order
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Packed & shipped
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Fast transit
Consignment to India Warehouse
Customs cleared
Doorstep delivery
Delivered to you
You Order
Place your order
USA Warehouse dispatch
Packed & shipped
International Air Shipping
Fast transit
Consignment to India Warehouse
Customs cleared
Doorstep delivery
Delivered to you

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₹20,538+ (3× the price)
₹6,846 locked, all-in
Hard to get the original US version in India
Original US version, shipped to your door
Extra pay for Import Duties, GST, and forex fees
One price in INR, no customs charges at delivery
4–12 weeks · No tracking
13-15 days · live tracking
Grey market, no guarantee, no protection, no refund
100% authentic US, India-verified, return available
Lost in transit = ₹0 back
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