Welcome to Life of Sailing!
Blue Sea Systems  |  SKU: LOS-20533  |  Barcode: 632085070489

Blue Sea 7048 187 - Series Thermal Circuit Breaker - 150Amp

$70.99 USD $103.68

Product Description

The 187-Series Thermal Circuit Breaker is a reliable and robust solution for marine and boating applications, ensuring optimal electrical protection and seamless power management on your vessel. Designed for panel mounting, this 150 Amp breaker combines ease of use with superior safety features, making it an essential component for any marine electrical system.

Key Features

  • Integrates switching and circuit protection into a single, efficient device
  • Compliant with SAE J1171 external ignition protection standards
  • Easy-to-use single lever operation for clear control
  • "Trip Free" mechanism ensures the breaker cannot remain on during a fault condition
  • Waterproof construction for reliable performance in marine environments
  • Recessed mounting holes provide a clean and streamlined appearance
  • Self-trimming case eliminates the need for additional mounting panels or trim bezels
  • Round case design allows for easy installation with standard hole saws
  • Spacious clearance around terminal studs accommodates heavy gauge wire lugs
  • Durable 5/16" terminals ensure high torque connections for secure wiring
  • Large lever with vertical/horizontal orientation clearly indicates trip status
  • Ignition protected, making it safe for installation on gasoline-powered boats

Technical Specifications

Specification
Circuit Breaker Class: Type III - Switchable / Manual Reset - Trip Free
Type: Thermally Responsive Bi-Metal Blade
Case Material: Thermoset Polyester
Voltage Rating: 48 Volts DC Maximum
Interrupt Rating: 5,000 Amperes @12 Volts DC
3,000 Amperes @24 Volts DC
1,500 Amperes @42 Volts DC
Operating Temperature Range: -25°C to +82°C

Additional Specifications

  • Amperage: 150A
  • Box Dimensions: 2"H x 5"W x 7"L
  • Weight: 0.5 lbs
  • UPC: 632085070489

WarningWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (DEHP) which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit P65Warnings.ca.gov.

Delivery and Shipping

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.

Members Save on all purchases! Join Today

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Venmo
  • Visa

Your payment information is processed securely. We do not store credit card details.