77000-9900-120 - Bluewater High-Performance 120 Amp Circuit | Aztek Computers
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SKU: CIKSIMTHF5 |  Mfg. Part: 77000-9900-120  | UPC: 810196330221  | 
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77000-9900-120 - Bluewater High-Performance 120 Amp Circuit Breaker

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Product Overview

High-Performance 120 Amp Circuit Breaker

This 120 Amp circuit breaker is engineered for heavy-duty electrical systems in marine, RV, truck, and bus applications. With various reset options, it effectively protects auxiliary and accessory circuits from overloads.

Key Features:

  • Configuration: Manual or switchable reset options for versatile use
  • Voltage Compatibility: Supports 12V, 24V, 32V, and 48V DC systems
  • Durability: Constructed with rugged thermoplastic housing and nickel-plated copper parts
  • Corrosion-Resistant: Specifically designed for resistance against harsh environments, vibration, and corrosion

Performance Highlights:

  • Interrupting Capacity: Handles up to 3,000A at 14V, 30V, and 48V DC
  • Scalable Protection: Consistent performance across a range of 30A to 300A
  • Versatile Use: Ideal for applications from trolling motors to inverters and winches

Easy Installation:

  • Accepts standard 1/4 lugs for fast, secure connections
  • Compatible with panel mount and surface mount installations
  • Compact design allows for easy integration into tight spaces

Expert Overview

The BlueWater 120 Amp Circuit Breaker, part number 77000-9900-120, is designed for protecting auxiliary and accessory circuits in heavy-duty DC electrical systems. It is suitable for marine, RV, truck, and bus applications, addressing potential overloads in demanding environments. This circuit breaker offers both manual and switchable reset options, providing flexibility for various operational needs. It supports a wide range of DC voltages, including 12V, 24V, 32V, and 48V systems. Constructed with a rugged thermoplastic housing and nickel-plated copper components, it offers resistance to corrosion, vibration, and harsh conditions. The unit has an interrupting capacity of up to 3,000A at 14V, 30V, and 48V DC, ensuring reliable performance for applications from trolling motors to inverters and winches. Its design accommodates standard 1/4� lugs and supports both panel and surface mount installations for integration into existing systems.

Product Details

  • Manufacturer:
  • Model Number:
  • UPC:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • BlueWater
  • 77000-9900-120
  • 810196330221
  • New
  • 0.25 lbs
  • 7 X 2 X 4
  • Aug 03, 2026
  • Nov 07, 2025
Product Identifiers: Brand: Bluewater • Part #: 77000-9900-120 • UPC: 810196330221 • Category: Circuit Breakers

Frequently Asked Questions

What voltage systems is this circuit breaker compatible with?

This circuit breaker is compatible with 12V, 24V, 32V, and 48V DC electrical systems, offering broad applicability for various heavy-duty setups.

What are the available reset options for this circuit breaker?

The circuit breaker offers both manual and switchable reset options, providing versatility for different operational requirements and user preferences.

What types of applications is this circuit breaker designed for?

It is engineered for heavy-duty electrical systems in marine, RV, truck, and bus applications, and is suitable for protecting components like trolling motors, inverters, and winches.

What is the interrupting capacity of this circuit breaker?

The circuit breaker has an interrupting capacity of up to 3,000A at 14V, 30V, and 48V DC, providing robust protection against high current surges.

77000-9900-120 - Bluewater High-Performance 120 Amp Circuit Breaker

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