3011681
Current Transformer
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$134.95 $160.59

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 Cummins 3011681 Current Transformer is a specialized component designed for use in commercial trucks. Its purpose is to accurately measure and monitor the electrical current flowing through the truck’s electrical system. This component is integral to ensuring the efficient and safe operation of the truck’s electrical components.

Basic Concepts of Current Transformers

A current transformer is an electrical device used to measure alternating current (AC) in a circuit. It operates on the principle of electromagnetic induction, where a primary winding (carrying the current to be measured) induces a proportional current in a secondary winding. This secondary current can then be measured using instruments, providing a safe and accurate representation of the primary current without directly interrupting the circuit 1.

Role of the 3011681 Current Transformer in Truck Operation

The Cummins 3011681 Current Transformer plays a specific role in the electrical system of a commercial truck by providing accurate current measurements. It interacts with various electrical components, including sensors, control units, and monitoring systems, to ensure that the electrical load is distributed efficiently and that any anomalies are detected promptly. This helps in maintaining the overall performance and reliability of the truck’s electrical system 2.

Key Features of the 3011681 Current Transformer

The Cummins 3011681 Current Transformer is characterized by its robust design and high-quality materials, which ensure durability and accurate performance. Key features include a precision-wound core that enhances magnetic coupling, high-grade insulation materials for safety, and a compact design that allows for easy integration into the truck’s electrical system. These attributes contribute to its reliable operation under various conditions 3.

Benefits of Using the 3011681 Current Transformer

Utilizing the Cummins 3011681 Current Transformer offers several advantages. It provides accurate current measurements, which are vital for the efficient operation of the truck’s electrical system. This accuracy helps in optimizing system performance, enhancing reliability, and ensuring safety by allowing for the early detection of potential issues. Additionally, its robust construction contributes to the longevity of the component, reducing the need for frequent replacements.

Installation Considerations

When installing the Cummins 3011681 Current Transformer, it is important to follow specific guidelines to ensure proper functionality. This includes ensuring that the transformer is correctly aligned with the primary conductor, using appropriate mounting hardware, and verifying that all connections are secure and insulated. Special tools may be required for precise installation, and it is advisable to consult the manufacturer’s instructions for detailed steps.

Troubleshooting Common Issues

Common issues with current transformers can include inaccurate readings, physical damage, or electrical faults. To diagnose these problems, it is important to check the transformer’s alignment, inspect for any visible damage, and verify the integrity of the electrical connections. Solutions may involve recalibrating the transformer, repairing or replacing damaged components, or ensuring that all connections are secure and free from corrosion.

Maintenance Tips

Regular maintenance of the Cummins 3011681 Current Transformer is crucial for ensuring its longevity and optimal performance. This includes periodic inspection for any signs of wear or damage, cleaning the transformer to remove any dirt or debris, and verifying that all connections remain secure. Additionally, it is beneficial to conduct functional tests to ensure that the transformer is providing accurate readings.

Safety Precautions

When working with the Cummins 3011681 Current Transformer, it is important to observe several safety measures. This includes ensuring that the electrical system is de-energized before beginning any work, using appropriate personal protective equipment (PPE) such as insulated gloves and safety glasses, and following all electrical safety protocols. These precautions help in minimizing the risk of electrical shock or other hazards.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes 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 high-quality, reliable, and innovative products. Their extensive product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of commercial applications.

Cummins Current Transformer 3011681 in Engine Applications

The Cummins Current Transformer 3011681 is an integral component in various engine systems, ensuring accurate measurement and monitoring of electrical current. This part is designed to convert primary current into a secondary current that can be easily measured, providing essential data for engine performance and diagnostics.

K19 Engine

In the K19 engine, the Current Transformer 3011681 plays a crucial role in the engine’s electrical system. It is typically integrated into the engine’s control module, where it helps in monitoring the current flow to various components. This ensures that the engine operates efficiently and any anomalies in the current flow are promptly detected and addressed.

The precise placement and calibration of the current transformer in the K19 engine are critical for maintaining optimal engine performance. It aids in the real-time monitoring of electrical loads, which is essential for preventing potential electrical failures and ensuring the longevity of the engine’s components.

Grouping of Engines

While the K19 engine is a notable example, the Cummins Current Transformer 3011681 is also utilized in other engine models where similar monitoring and control requirements exist. The design and functionality of this part are consistent across various engine types, ensuring that it provides reliable and accurate current measurements regardless of the specific engine model.

The integration of the Current Transformer 3011681 in these engines highlights Cummins’ commitment to providing high-quality, reliable components that enhance engine performance and durability.

Role of Part 3011681 Current Transformer in Engine Systems

In the context of engine systems, the 3011681 Current Transformer is integral to the operation and monitoring of several key components.

Integration with Excitation Control Board (ECB)

The Excitation Control Board (ECB) is responsible for regulating the voltage output of the generator. The 3011681 Current Transformer plays a significant role here by providing accurate current measurements. These measurements are essential for the ECB to adjust the excitation current appropriately, ensuring stable voltage levels. The transformer’s output is used by the ECB to make real-time adjustments, enhancing the generator’s efficiency and reliability.

Functionality in Parallel Module Systems

In Parallel Module configurations, where multiple generators operate together to supply a common load, the 3011681 Current Transformer ensures synchronized operation. It monitors the current output from each generator, allowing the parallel module to balance the load effectively. This balancing act is vital for preventing overloading of any single generator and ensuring a consistent power supply. The current data from the transformer is critical for the parallel module’s algorithms that manage load sharing and synchronization.

Enhanced System Performance

By providing precise current data, the 3011681 Current Transformer contributes to the overall performance and stability of engine systems. Its integration with the ECB and Parallel Module allows for fine-tuned control and optimization, leading to improved efficiency and reliability in power generation applications.

Conclusion

The Cummins 3011681 Current Transformer is a vital component in the electrical systems of commercial trucks and engines. Its accurate current measurement capabilities ensure efficient operation, enhance reliability, and contribute to the overall performance of the electrical system. Proper installation, maintenance, and adherence to safety precautions are essential for maximizing the benefits of this component.


  1. Lejda, K., & Wos, P. (2012). Internal Combustion Engines. InTech.

  2. Pacejka, H. B. (2006). Tyre and Vehicle Dynamics. Butterworth-Heinemann.

  3. Mollenhauer, K., & Tschoeke, H. (2010). Handbook of Diesel Engines. Springer.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
4.875 x 1.0 x 4.875 in
Weight
1.125 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.