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Thermal Circuit Breakers
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  6. Thermal Circuit Breakers
  7. Blue Sea Systems…
Blue Sea Systems

Blue Sea Systems 7148 187-Series Circuit Breaker Surface Mount 150A | Waterproof, High-Torque, Safe for Boats

Blue Sea Systems 7148 187-Series Circuit Breaker Surface Mount 150A | Waterproof, High-Torque, Safe for Boats - main product image
All-inclusive price — duties & taxes paid, no customs charges at delivery
₹16,730₹20,330

You save ₹3,600 (18%)

Qty
Blue Sea Systems 7148 187-Series Circuit Breaker Surface Mount 150A | Waterproof, High-Torque, Safe for Boats — 187 Series, Surface Mount / 150A DC
187 Series, Surface Mount / 150A DC
₹16,730
₹20,330
In Stock
Blue Sea Systems 7148 187-Series Circuit Breaker Surface Mount 150A | Waterproof, High-Torque, Safe for Boats — 187 Series, Surface Mount / 40A DC
187 Series, Surface Mount / 40A DC
₹17,980
₹18,350
In Stock
Blue Sea Systems 7148 187-Series Circuit Breaker Surface Mount 150A | Waterproof, High-Torque, Safe for Boats — 285 Series, Panel Mount / 150A
285 Series, Panel Mount / 150A
₹11,230
₹12,740
In Stock

Estimated doorstep delivery by 20 Nov - 22 Nov from USA

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Sourced from US retailers
Sourced from US retailers
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Factory-Sealed
All Duties Included
All Duties Included
GST Invoice Issued
GST Invoice Issued
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Reliable Power Protection at a Competitive Price

About this item

Blue Sea Systems 7148 187-Series Circuit Breaker is a durable, waterproof device suitable for marine and heavy-duty applications in India. It features a robust design with a single-lever operation, ensuring seamless switching and reliable circuit protection. The waterproof casing and recessed mounting holes provide a clean appearance and easy installation, compatible with standard hole saws. Built for high-torque connections, the large clearance around the 5/16" terminal studs accommodates heavy-gauge wire lugs, ensuring secure power distribution. Ignition protection makes it safe for gasoline-powered boats, meeting SAE J1171 standards. This circuit breaker is factory-sealed, sourced from authorized US retailers, and includes all duties and GST in the price.

Reviewers in marine environments report consistent performance under humid, wet conditions, with no corrosion or failure over extended use. Its high-torque terminals and waterproof casing make it ideal for Indian boat owners and industrial setups needing reliable power protection. Delivered quickly through ExpressBox, with duties included, in 11-13 days.

In India, this breaker offers a trusted alternative to local, less durable options, with a focus on safety and long-term reliability. Suitable for heavy-gauge wiring and high-current loads, it ensures secure connections and peace of mind for critical power systems.

Key Features

  • Combines switching and circuit protection into a single device with clear, single-lever operation
  • "Trip Free" design prevents holding the switch "ON" during fault conditions for enhanced safety
  • Fully waterproof construction with recessed mounting holes for a clean, streamlined appearance
  • Ample space around terminal studs accommodates heavy-gauge wire lugs; robust 5/16 M8 terminals provide secure, high-torque connections
  • Ignition-protected for safe installation aboard gasoline-powered boats, meeting SAE J1171 external ignition protection standards

Why choose this product

Robust Waterproof Construction & Marine Safety

Blue Sea Systems 7148 187-Series Circuit Breaker combines waterproof polyester casing with high-torque terminals, ensuring secure connections and safety in wet, humid Indian marine environments. Its ignition protection meets SAE J1171 standards, making it safe for gasoline-powered boats and industrial use. Factory-sealed and sourced from authorized US retailers, it guarantees authenticity and durability, outperforming local alternatives that often lack waterproofing and high-current capacity.

Designed for Heavy-Duty Power & Heavy-Gauge Wiring

This circuit breaker supports high-current loads up to 150A with large clearance around terminal studs, accommodating heavy-gauge wire lugs. Its robust design ensures secure, high-torque connections, reducing wiring failures in Indian marine and industrial applications. Ideal for professionals seeking reliable, long-lasting power protection with safety certifications and factory-sealed quality.

How to use

  • Select the correct mounting location — Identify a flat, accessible surface on your panel that allows recessed mounting holes for secure installation.
  • Connect heavy-gauge wires — Use heavy-gauge wire lugs compatible with 5/16" terminal studs; tighten securely for high-torque connections to ensure safety.
  • Mount the breaker — Align the recessed holes with your panel's mounting points; use a standard hole saw for precise, secure installation.
  • Test the circuit — Ensure proper wiring and test the breaker under load conditions; verify it trips correctly during fault scenarios for safety.

Example scenarios

Typical situations where Blue Sea Systems 7148 187-Series Circuit Breaker Surface Mount 150A | Waterproof helps — illustrative scenarios, not customer reviews.

1
Scenario 1
Illustrative example
Where it helps

A boat owner in Mumbai needs a waterproof, high-current breaker for a gasoline engine, facing humid monsoon conditions.

How this product helps

Blue Sea Systems 7148 187-Series Circuit Breaker provides reliable, waterproof power protection, supporting 150A loads, delivered in 11-13 days with duties included.

Specifications & installation

Specifications

MaterialPolyester, Thermoset Polyester

Installation & usage

Rated Current150A
Voltage48V
Reapplication TimeSupports high-torque connections for heavy-gauge wiring
Shelf LifeFactory-sealed, check manufacturer's date
InstallationRecessed mounting holes, standard hole saw
Cost per use₹16,730 per breaker

How we compare

FeatureBlue Sea SystemsOthers
Current CapacitySupports 150A DC, heavy-gauge wiring, high-torque terminals, waterproof casingTypically supports 100-125A, less waterproofing, standard terminals, less corrosion-resistant
Construction & DurabilityPolyester waterproof casing, ignition protected, factory-sealed, high-torque terminalsPlastic casing, basic waterproofing, no ignition certification, often unsealed
Installation & SafetyRecessed mounting holes, SAE J1171 ignition protection, easy installationBasic mounting, no specific safety standards, more complex installation
Price & Value₹16,730 with all duties included, high durability, factory-sealedVaries, often lower initial cost but less durable, no import duties included

Product details

SKUmtb7214
GTIN00632085071486
BrandBlue Sea Systems
Model Number7148
Size150A DC
Mounting TypeSurface Mount
MaterialPolyester, Thermoset Polyester

About Blue Sea Systems

Blue Sea Systems is a leading manufacturer of marine electrical components, known for durable, safety-certified circuit protection solutions worldwide.

Compliance & Legal

This product complies with SAE J1171 ignition protection standards. Suitable for marine and industrial use. No medical or safety claims beyond certification.

Customer Reviews

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FAQ, See What Others Asked

How do I know if this circuit breaker will fit my marine or industrial panel?
Check your panel's approved breaker types; this model is a surface mount, 150A, waterproof breaker designed for marine and heavy-duty power systems. Ensure the mounting type and terminal size match your setup.
Is this circuit breaker safe for use aboard gasoline-powered boats?
Yes, this breaker is ignition protected per SAE J1171 standards, making it safe for gasoline-powered boats and marine environments in India.
What is the maximum current this breaker supports?
This model supports up to 150A DC current, suitable for high-current marine and industrial applications in India.
How durable is this breaker in humid or wet conditions?
Its waterproof casing and corrosion-resistant materials ensure reliable performance in humid, wet Indian marine environments, as confirmed by user reviews.
How quickly can I expect delivery to India?
Your order will arrive in 11-13 days via ExpressBox, with all duties and GST included, ensuring a hassle-free import process.
Can I install this breaker myself?
Yes, with recessed mounting holes and a self-trimming case, installation is straightforward using standard hole saws, but professional wiring is recommended for safety.

Frequently bought together

Blue Sea Systems 7148 187-Series Circuit Breaker Surface Mount 150A | Waterproof, High-Torque, Safe for Boats

This item:

Blue Sea Systems 7148 187-Series Circuit Breaker Surface Mount 150A | Waterproof, High-Torque, Safe for Boats

₹16,730

Blue Sea Systems 7148 187-Series Circuit Breaker Surface Mount 150A | Waterproof, High-Torque, Safe for Boats

This item

Blue Sea Systems 7148 187-Series Circuit Breaker Surface Mount 150A | Waterproof, High-Torque, Safe for Boats

₹16,730

Total price:

₹52,510

You save ₹6,500 (11%) Extra

3 items selected

3 items

₹52,510

You save ₹6,500 (11%) Extra

Product Comparison

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Spec
Price
₹16,730
₹20,330
₹17,980
₹18,350
₹17,800
₹20,330
₹17,380
₹20,330
₹4,300
₹5,190
₹25,670
₹38,980
₹11,980
₹17,050
Brand NameBlue Sea SystemsBlue Sea SystemsBlue Sea SystemsBlue Sea SystemsWAYDELINordic WareArmstrong Bird Food
SourceUS RetailUS RetailUS RetailUS RetailUS RetailUS RetailUS Retail
Sold ByCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrow
Imported from USA
₹16,730₹20,330

You Save ₹3,600

Estimated doorstep delivery by 20 Nov - 22 Nov from USA
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Your Order Journey: From Purchase to Doorstep

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
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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vs
₹50,190+ (3× the price)
₹16,730 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
11-13 days · live tracking
Grey market, no guarantee, no protection, no refund
Sourced from US retailers, India-verified, return available
Lost in transit = ₹0 back
Full protection included