4382872
Circuit Breaker
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,849.95 $2,201.44

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The 4382872 Circuit Breaker Switch, manufactured by Cummins, is a vital component in the electrical systems of commercial trucks and various engines. This part is designed to protect the vehicle’s electrical circuits from overloads and short circuits, ensuring the safe and efficient operation of the truck or engine.

Basic Concepts of Circuit Breaker Switch

A circuit breaker switch is an electrical protection device that automatically interrupts the flow of electrical current when an overload or short circuit is detected 1. It functions by using an electromagnet to trip a mechanism that opens the circuit, thereby preventing damage to the electrical system. The importance of a circuit breaker switch in electrical systems lies in its ability to safeguard against potential hazards such as fires or equipment damage caused by electrical faults 2.

Role of the 4382872 Circuit Breaker Switch in Truck Operation

In the context of a commercial truck, the 4382872 Circuit Breaker Switch serves to protect the electrical circuits from overloads and short circuits. By monitoring the current flow, it ensures that the electrical components operate within safe parameters, thereby enhancing the overall reliability and safety of the truck’s electrical system 3.

Key Features

The 4382872 Circuit Breaker Switch is characterized by its robust design and the use of high-quality materials, which contribute to its durability and performance. Its construction includes precision-engineered components that ensure accurate and reliable operation under various conditions. Additionally, the switch is designed to be easily integrated into the truck’s electrical system, facilitating straightforward installation and maintenance.

Benefits of Using the 4382872 Circuit Breaker Switch

Utilizing the 4382872 Circuit Breaker Switch offers several advantages. It enhances safety by providing reliable protection against electrical faults. Its durable construction ensures longevity, even in demanding operational environments. Furthermore, the switch’s reliable performance contributes to the overall efficiency and dependability of the truck’s electrical system.

Installation and Integration

Proper installation of the 4382872 Circuit Breaker Switch is vital for ensuring its optimal functionality. It should be integrated into the truck’s electrical system according to the manufacturer’s guidelines, which may include specific wiring configurations and connection points. Careful attention to these details during installation will help maintain the integrity of the electrical system and ensure the switch operates as intended.

Troubleshooting Common Issues

When encountering issues with the 4382872 Circuit Breaker Switch, a systematic approach to troubleshooting can help identify and resolve problems. Common issues may include the switch failing to trip during an overload or experiencing intermittent operation. Diagnostic steps may involve checking for proper wiring, ensuring the switch is correctly seated, and verifying that there are no external factors affecting its operation.

Maintenance Tips

Regular maintenance of the 4382872 Circuit Breaker Switch is important for ensuring its continued reliable operation. This may include periodic inspection for signs of wear or damage, cleaning the switch to remove any debris that could affect its performance, and verifying that all connections are secure. Adhering to a maintenance schedule can help prevent unexpected failures and extend the lifespan of the switch.

Safety Precautions

When working with the 4382872 Circuit Breaker Switch, it is important to observe electrical safety practices. This includes ensuring that the power is disconnected before performing any maintenance or installation tasks, using appropriate personal protective equipment, and following all manufacturer-recommended safety guidelines to prevent injury or damage to the equipment.

Cummins: Manufacturer Overview

Cummins is a renowned manufacturer with a strong reputation in the automotive and heavy-duty truck industry. The company has a history of innovation and commitment to quality, which is reflected in their wide range of automotive components. Cummins’ dedication to excellence ensures that their products, including the 4382872 Circuit Breaker Switch, meet high standards of performance and reliability 4.

Role of Part 4382872 Circuit Breaker Switch in Engine Systems

The 4382872 Circuit Breaker Switch is an integral component in the electrical systems of various engine setups, ensuring the safe and efficient operation of several key components.

Integration with Aid Systems

In auxiliary systems, the 4382872 Circuit Breaker Switch acts as a protective device. It monitors the electrical current flowing to the auxiliary systems, such as pumps or compressors. When the current exceeds safe levels, the switch trips, cutting off power to prevent damage to the auxiliary equipment or the engine’s electrical system.

Coolant Heater Starting

For engines equipped with a coolant heater, the 4382872 Circuit Breaker Switch is positioned in the electrical circuit that powers the heater. This ensures that if the heater draws excessive current, perhaps due to a fault, the switch will interrupt the power supply. This protects both the heater element and the broader electrical system from potential damage.

Control Panel Operations

In the control panel, the 4382872 Circuit Breaker Switch safeguards the various electrical components and circuits. It is typically found in the panel’s distribution board, where it protects circuits that supply power to gauges, indicators, and other control elements. By doing so, it helps maintain the integrity and functionality of the control panel, ensuring accurate readings and reliable operation.

Engine Heater Protection

When an engine is fitted with an engine heater, the 4382872 Circuit Breaker Switch plays a significant role in its operation. It is integrated into the heater’s electrical circuit to monitor and control the current. This is particularly important in cold-weather operations where the heater is frequently used. The switch ensures that the heater operates within safe electrical parameters, preventing overheating or electrical fires.

Conclusion

In summary, the 4382872 Circuit Breaker Switch is a vital component in maintaining the electrical safety and reliability of various engine systems. Its role in protecting auxiliary systems, coolant heaters, control panels, and engine heaters underscores its importance in ensuring the smooth and safe operation of engine components.


  1. Pedram Asef, Sanjeevikumar Padmanaban, and Andrew Lapthorn, Modern Automotive Electrical Systems (Wiley, 2022).

  2. R. Matthew Brach, SAE International’s Dictionary of Vehicle Accident Reconstruction and Automotive Safety (SAE International, 2023).

  3. Konrad Reif Ed, Gasoline Engine Management Systems and Components (Springer Vieweg, 2015).

  4. D. K. Singh, Dictionary of Mechanical Engineering (Springer Nature, 2024).

SPECIFICATIONS

Notes
Component of P/N 4383213.
Package Dimensions
4.25 x 3.38 x 2.88 in
Weight
0.63 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.