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Bussmann CB187F100 100 Amp Marine Circuit Breaker 48V DC Waterproof

Manufacturer

Bussmann

<h3>Trusted Circuit Protection Since the Early 20th Century</h3><p>Bussmann is a division of Eaton that manufactures circuit protection products for the electrical, electronic, and automotive industries, with manufacturing facilities in three domestic and six international locations and approximately 3,000 team members worldwide. With nearly a 100-year history of innovation, the Bussmann division has set the standard for circuit protection in the global market.</p><p>From humble beginnings to becoming a globally recognized name, Bussmann has built its reputation on delivering reliable circuit protection solutions that safeguard electrical systems across countless applications. The brand's commitment to engineering excellence has made it a go-to choice for technicians, fleet managers, and DIY enthusiasts who demand components that protect critical electrical circuits from overload and short-circuit conditions.</p><h3>Comprehensive Electrical Protection Solutions</h3><p>Bussmann's product portfolio spans the full spectrum of circuit protection needs. The brand's <a href="/1987-bussmann-fuse-2676">fuses</a> represent decades of engineering refinement, offering precise overcurrent protection for vehicles ranging from passenger cars to heavy-duty commercial trucks. These fuses are designed to fail predictably and safely when electrical loads exceed safe thresholds, preventing damage to expensive electronic components and wiring harnesses.</p><p>Beyond traditional fuse applications, Bussmann's <a href="/1987-bussmann-circuit-breaker-2504">circuit breakers</a> provide resettable protection for auxiliary circuits and accessory installations. Bussmann have a 90-year history of innovation setting the standard for circuit protection in the global market and the fuses Bussmann manufacture are globally recognised for their reliability and high levels of performance. For commercial vehicle applications, the brand's <a href="/1987-bussmann-roof-marker-light-10052">roof marker lights</a> combine safety compliance with durable construction designed to withstand harsh operating environments.</p><h3>Power Management for Modern Vehicles</h3><p>As vehicles have become increasingly electrified and power-hungry, reliable energy storage has become critical. Bussmann's <a href="/1987-bussmann-vehicle-battery-2476">vehicle batteries</a> reflect the brand's understanding of modern automotive electrical demands, delivering consistent cranking power and reserve capacity. The brand also manufactures specialized components like <a href="/1987-bussmann-automatic-transmission-control-solenoid-7752">automatic transmission control solenoids</a> that demonstrate Bussmann's expansion beyond traditional circuit protection into broader automotive electrical systems.</p><h3>Engineering Excellence Meets Real-World Durability</h3><p>What separates Bussmann from commodity circuit protection products is the brand's focus on engineering for real-world conditions. Products undergo rigorous testing for vibration resistance, temperature cycling, and corrosion exposure—the exact challenges faced in automotive environments. This attention to failure modes and environmental factors ensures Bussmann components perform reliably whether installed in a daily driver or a work truck operating in extreme conditions. The brand's extensive product catalog includes solutions for virtually every circuit protection scenario, from miniature blade fuses for modern fuse panels to heavy-duty breakers for auxiliary power systems.</p>

Part Number

CB187F100
08/02/2036 1:28 AM
Sale Price

$130.43

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Product Details

The Bussmann CB187F100 is a heavy-duty marine circuit breaker designed to protect electrical systems in harsh marine environments. This high-amp breaker provides reliable overcurrent protection for boats, yachts, and other marine vessels operating on 48-volt DC electrical systems.

Key Features:

  • 100 amp current rating for high-demand marine electrical circuits
  • 48 volt DC rated for compatibility with marine electrical systems
  • Waterproof construction withstands moisture, spray, and harsh marine conditions
  • Manual reset design allows easy resetting after tripping without replacement
  • Surface mount configuration for flexible installation options
  • Ignition protected for safe use in engine compartments and fuel areas

The CB187 series circuit breakers feature thermal-magnetic trip technology that provides fast, reliable protection against both overloads and short circuits. The waterproof housing meets marine environmental standards, making this breaker ideal for applications including battery management systems, inverter circuits, thruster motors, windlass systems, and other high-current marine equipment. The manual reset button provides a clear visual indication when the breaker has tripped and allows for quick reset without tools.

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