5333844
Magnetic Switch
Cummins®

DISCONTINUED

Cummins®

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

Introduction

The Cummins 5333844 Magnetic Switch is a component designed for use in commercial trucks, manufactured by Cummins Inc. This switch plays a role in the electrical system of trucks by facilitating the control of various electrical circuits. Cummins, a well-established name in the commercial truck industry, produces this switch to meet the demanding requirements of heavy-duty applications 1.

Basic Concepts of Magnetic Switches

A magnetic switch, also known as a magnetic reed switch, operates based on the principle of magnetism. It consists of a pair of ferromagnetic metal contacts sealed within a glass tube. When a magnetic field is applied, these contacts are drawn together, closing the circuit. Conversely, removing the magnetic field allows the contacts to separate, opening the circuit. Magnetic switches are commonly used in automotive systems for their reliability and simplicity in controlling electrical circuits without the need for physical contact 2.

Role of the 5333844 Magnetic Switch in Truck Operation

The Cummins 5333844 Magnetic Switch performs specific functions within the truck’s electrical system. It is involved in the activation and deactivation of electrical circuits, such as those for lighting, signaling, and other auxiliary systems. This switch interacts with the truck’s control module and other electrical components to ensure that circuits are activated only when necessary, contributing to the efficient management of the truck’s electrical load.

Key Features

The Cummins 5333844 Magnetic Switch is characterized by its robust design and the use of high-quality materials, ensuring durability and reliability in demanding conditions. Its construction includes sealed contacts that protect against environmental factors, such as moisture and dust, which are common in commercial truck operations. Additionally, the switch may incorporate unique technological aspects, such as enhanced magnetic sensitivity, to improve its performance and responsiveness within the truck’s electrical system.

Benefits

The advantages provided by the Cummins 5333844 Magnetic Switch include improved efficiency in the electrical system’s operation, enhanced reliability due to its non-contact operation, and specific performance enhancements that contribute to the overall functionality of the truck. By ensuring that electrical circuits are managed effectively, this switch helps in reducing unnecessary electrical load, thereby contributing to fuel efficiency and prolonging the lifespan of electrical components.

Troubleshooting and Maintenance

Common issues that may arise with the Cummins 5333844 Magnetic Switch include failure to activate or deactivate circuits properly, which can be due to magnetic field interference or physical damage to the switch. Diagnostic procedures involve checking the integrity of the magnetic field source, inspecting the switch for physical damage, and ensuring that the electrical connections are secure. Maintenance tips to ensure longevity and optimal performance include regular inspection for signs of wear or damage, keeping the switch clean and free from contaminants, and addressing any issues promptly to prevent further complications.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a strong reputation in the commercial truck industry for producing reliable, high-performance components. The company’s product range is designed to meet the needs of various industries, ensuring that commercial trucks operate efficiently and reliably under diverse conditions.

Compatibility with Cummins Engines

This Cummins part is designed to integrate seamlessly with a range of Cummins diesel engines. It is crucial for the proper functioning of the engine’s ignition system, ensuring that the engine starts and operates efficiently.

QSB5.9 CM850 and QSC8.3 CM850(CM2850)

The Magnetic Switch 5333844 is compatible with the QSB5.9 CM850 and QSC8.3 CM850(CM2850) engines. These engines are known for their robust performance and reliability, often used in various industrial and agricultural applications. The switch ensures that the ignition timing is accurately controlled, which is essential for maintaining optimal engine performance.

QSB6.7 M CM2250

The QSB6.7 M CM2250 engine also benefits from the Magnetic Switch 5333844. This engine is designed for heavy-duty applications, providing substantial power and durability. The switch plays a role in the ignition system, ensuring that the engine starts reliably and operates smoothly under demanding conditions.

QSM11 CM570

The QSM11 CM570 engine is another model that utilizes the Magnetic Switch 5333844. This engine is engineered for high-performance applications, requiring precise control of the ignition timing. The switch ensures that the engine starts efficiently and maintains consistent performance, even under heavy loads.

By using the Magnetic Switch 5333844, these Cummins engines can achieve reliable ignition timing, which is vital for their overall performance and longevity.

Role in Engine Systems

This part is an integral component in the orchestration of various engine systems, ensuring seamless operation and efficiency.

Integration with Accessories

When integrated with engine accessories, the Magnetic Switch facilitates the controlled activation and deactivation of these components. This ensures that accessories operate only when necessary, conserving energy and prolonging the lifespan of both the accessories and the engine itself.

Electric Starting Systems

In electric starting systems, the Magnetic Switch acts as a mediator between the battery and the starter motor. Upon receiving an activation signal, typically from the ignition switch, it allows a high current to flow from the battery to the starter motor, initiating the engine’s cranking process. Once the engine starts, the switch disengages, preventing continuous power flow and potential damage to the starter motor.

Package and Product Installation

During the installation of engine packages, the Magnetic Switch plays a pivotal role. It ensures that all interconnected components within the package are synchronized. This synchronization is vital for the harmonious operation of the engine, preventing any component from operating out of sequence, which could lead to inefficiencies or damage.

Switch Mechanisms

In broader switch mechanisms within the engine system, the Magnetic Switch offers a reliable means of control. Whether it’s activating lights, fans, or other engine-related components, its magnetic properties allow for a swift and efficient response to operational commands.

Magnetic Properties

The inherent magnetic properties of the switch allow for a non-contact operation, reducing wear and tear over time. This non-contact nature ensures longevity and consistent performance, making it a preferred choice in many engine systems.

Conclusion

The Cummins 5333844 Magnetic Switch, through its magnetic and switching capabilities, ensures the efficient and synchronized operation of various engine components and systems. Its role is indispensable in maintaining the balance and performance of modern engine architectures.


  1. Reif, Konrad. Fundamentals of Automotive and Engine Technology: Standard Drives, Hybrid Drives, Brakes, Safety Systems. Springer Vieweg, 2014.

  2. Khajepour, Amir. Synthesis Lectures on Advances in Automotive Technology. Springer, 2023.

SPECIFICATIONS

Notes
Voltage 12.
Package Dimensions
3.25 x 2.5 x 3.38 in
Weight
0.71 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.