2865519
Magnetic Switch
Cummins®

The Cummins 2865519 Magnetic Switch is a component designed for use in commercial trucks. It serves a specific function within the vehicle’s electrical system, contributing to the overall operation and efficiency of the truck. Understanding its purpose and significance is key to maintaining and optimizing truck performance.

Basic Concepts of Magnetic Switches

A magnetic switch, also known as a relay, is an electrically operated switch. It uses an electromagnet to mechanically operate a switching mechanism, allowing it to control a circuit independently of the low-power signal used to operate it ¹. Magnetic switches are commonly used in automotive systems to manage high-current circuits, such as those for headlights, horns, and starter motors, using a low-current signal from the vehicle’s control system.

Purpose of the Cummins 2865519 Magnetic Switch

The Cummins 2865519 Magnetic Switch plays a role in the truck’s electrical system by facilitating the control of high-current circuits. It allows for the efficient and safe operation of electrical components by using a low-current signal to activate or deactivate the switch. This function is vital for managing the electrical load within the truck, ensuring that components operate correctly without overloading the system.

Key Features

The Cummins 2865519 Magnetic Switch is characterized by its robust design and construction, which includes high-quality materials that enhance durability and performance. Its design ensures reliable operation under various conditions, and it may feature unique attributes such as corrosion resistance or enhanced electrical conductivity to further improve its functionality ².

Benefits

The advantages provided by the Cummins 2865519 Magnetic Switch include improved reliability and efficiency within the truck’s electrical system. By efficiently managing electrical loads, it contributes to the overall performance and longevity of the truck. Additionally, its design and construction materials ensure that it can withstand the rigors of commercial truck operation, providing consistent performance over time.

Installation and Integration

Installing the Cummins 2865519 Magnetic Switch into a truck’s electrical system requires adherence to specific guidelines to ensure proper function and safety. This process may involve connecting the switch to the appropriate circuits and ensuring that all connections are secure and correctly insulated. Special considerations, such as the orientation of the switch and the use of compatible components, should be observed to facilitate seamless integration ³.

Troubleshooting and Maintenance

Identifying common issues with the Cummins 2865519 Magnetic Switch involves checking for signs of wear, corrosion, or electrical faults. Diagnostic procedures may include testing the switch’s operation and inspecting the connections for integrity. Regular maintenance practices, such as cleaning and inspecting the switch and its connections, can help ensure longevity and optimal performance.

Safety Considerations

When working with the Cummins 2865519 Magnetic Switch, it is important to observe electrical safety guidelines and proper handling procedures. This includes ensuring that the vehicle’s battery is disconnected before beginning any work on the electrical system, using insulated tools, and following all manufacturer recommendations for installation and maintenance.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history of innovation and quality, Cummins has established itself as a trusted name in the industry. The development of the 2865519 Magnetic Switch reflects Cummins’ commitment to providing reliable and high-performance components for commercial vehicles.

Compatibility with Cummins Engines

The Cummins 2865519 Magnetic Switch is compatible with several Cummins engine models, ensuring the proper functioning of the engine’s ignition system. Below is a detailed look at the compatibility of this part with various Cummins engines.

Compatibility with Specific Engine Models

• 6B5.9
• G855 CM558
• K19
• K38
• K50
• NH/NT 855
• QSB6.7 CM850 (CM2850)
• QSB7 CM2880 B117
• QSK19 CM500
• QSK19 CM850 MCRS
• QSN14 CM876 N103
• QST30 CM552

Grouping of Compatible Engines

The Cummins 2865519 Magnetic Switch is designed to fit seamlessly into the following groups of Cummins engines:

• QSB Series:

  • QSB6.7 CM850 (CM2850)
  • QSB7 CM2880 B117

• QSK Series:

  • QSK19 CM500
  • QSK19 CM850 MCRS

• QSN Series:

  • QSN14 CM876 N103

• QST Series:

  • QST30 CM552

• Other Models:

  • 6B5.9
  • G855 CM558
  • K19
  • K38
  • K50
  • NH/NT 855

This part ensures that the ignition system operates correctly, providing reliable performance and longevity for these engine models.

Role of 2865519 Magnetic Switch in Engine Systems

The Cummins 2865519 Magnetic Switch is an essential component in various engine systems, facilitating seamless operation and integration with multiple accessories and electrical components.

In the Electric Starting System, the Magnetic Switch acts as a mediator between the battery and the starter motor. When the ignition key is turned, it allows a high current to flow from the battery to the starter, enabling the engine to crank and start. This interaction is vital for the reliable operation of the starting system.

For Accessories connected to the engine, the Magnetic Switch ensures that power is efficiently distributed. It helps in managing the electrical load by controlling the flow of current to various accessories like lights, fans, and other auxiliary devices. This ensures that the engine operates smoothly without overloading the electrical system.

In the Electrical System, the Magnetic Switch plays a significant role in maintaining the integrity of the power supply. It helps in preventing electrical surges and ensuring that the voltage levels remain consistent, which is important for the longevity and performance of the electrical components.

The Control System Kit benefits from the Magnetic Switch by providing a reliable means to activate and deactivate various control circuits. This is particularly important in modern engines where precise control over electrical systems is necessary for optimal performance and efficiency.

When considering the Electrical Kit, the Magnetic Switch is integral in ensuring that all electrical components within the kit function harmoniously. It helps in coordinating the power distribution, which is essential for the proper operation of sensors, actuators, and other electrical devices.

In the context of an Engine Installation Kit, the Magnetic Switch ensures that the electrical connections are secure and efficient. It aids in the smooth integration of the engine with the vehicle’s electrical system, facilitating a trouble-free installation process.

For the Engine Mounting Parts Kit, although primarily mechanical, the Magnetic Switch ensures that any electrical components associated with the mounting system, such as sensors or control units, receive consistent and reliable power.

The Kit Base & Depot Parts often include electrical components that rely on the Magnetic Switch for power management. Its role in these kits is to ensure that all parts, whether mechanical or electrical, operate within their specified parameters.

Lastly, in the Kit Starter, the Magnetic Switch is directly involved in the starting process. It ensures that the starter motor receives the necessary current to crank the engine, highlighting its importance in the initial stages of engine operation.

Overall, the Cummins 2865519 Magnetic Switch is a versatile component that enhances the functionality and reliability of various engine systems by efficiently managing electrical power distribution.

Conclusion

The Cummins 2865519 Magnetic Switch is a critical component in the electrical systems of commercial trucks and various Cummins engines. Its role in managing high-current circuits with a low-current signal ensures efficient and safe operation of electrical components. The robust design and high-quality materials of this part contribute to its durability and performance, making it a reliable choice for maintaining and optimizing truck and engine performance. Proper installation, regular maintenance, and adherence to safety guidelines are essential for ensuring the longevity and optimal functionality of the Magnetic Switch.