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Generator ATS

Automatic Transfer Switch for Generators

Designed for integration into diesel generator control panels, our automatic transfer switches enable automatic power transfer between utility and generator sources, supporting reliable standby power systems.

A Reliable Supplier of Generator ATS

Usuper Power specializes in the supply of diesel generator sets and their related products. Leveraging its experience in generator set applications, we provide customers with support for ATS selection and technical matching. We target global distributors, equipment manufacturers, and project purchasers, emphasizing product quality, system compatibility, and stable supply. Our aim is to help customers simplify the procurement process and reduce the risks of integration and coordination.

The Generator ATS that We Sell

A variety of types of ATS are available for your choice.

3 pole ATS
3pole ATS

For compatible three-phase electrical systems.

4 pole ATS
4pole ATS

For systems requiring neutral switching.

high current ATS
High-current ATS

Select according to rated current and system requirements.

Panel-Mounted ATS
Panel-Mounted ATS

Designed for integration into compatible control panels.

Advantages of UsuperPower Generator ATS

Automatic switching

In case of mains power failure, it will automatically switch to the backup power supply to ensure continuity.

Multi-gas Adaptation
Multiple options

Choose the appropriate model based on your generator system and load requirements.

Intelligent Control
Integrated control panel

Specifically designed for the generator control panel.

Easy Maintenance
Technical support materials

We provide product information to help you assess compatibility.

Space Optimization
Space-saving installation

The integrated design can save space within the generator.

Complete After-sales Service
After-sales service

Offer a one-year warranty and online remote guidance to customers.

Quality Assurance
Quality guarantee

Products are inspected after production to ensure good quality.

Source Supply
Flexible B2B supply

Choose the appropriate model based on project requirements and arrange the ordering matters.

Automatic detection of the timing for replacing the power supply

The automatic transfer switch (ATS) continuously monitors the power supply situation and switches the power supply equipment for the load according to the set conditions. When the mains power is interrupted, when the ATS detects that the mains power is not supplying power, it will automatically switch to the backup power supply for power supply; when the mains power is normally supplying power, when the ATS detects that the switching conditions are met, it will switch back to mains power supply and turn off the backup power supply. The ATS can ensure the continuity of power supply and reduce the need for manual intervention during power outages.

Automatic detection of the timing for replacing the power supply

Easy Installation for Improved Production Efficiency

Designed for integration into the generator control panel, this ATS simplifies installation by fitting directly into the control cabinet without requiring a separate ATS cabinet. Its integrated design helps reduce additional assembly work, streamline the production process, and improve overall generator set assembly efficiency. We will provide an ATS connection diagram for you.

Quality inspection before leaving the factory

Before leaving the factory, we will conduct quality inspections for all products. The inspection procedures for the ATS include appearance, control performance, and switching performance, among other items. We will provide the testing standards and inspection reports. Before you make a purchase, we will send you the report files of the products.

Quality inspection before leaving the factory
Flexible B2B supply support

Flexible B2B supply support

Usuper is a generator manufacturer that provides independent ATS component power supplies. We support flexible B2B procurement, the selection of products based on application requirements, and customized supply solutions to meet different project and procurement needs. Whether you need ATS units for equipment assembly, wholesale distribution, or continuous project supply, our team will collaborate with you to coordinate product specifications, order quantities, and delivery arrangements.

Generator ATS in Real-World Applications

Designed for diesel generator applications, our Automatic Transfer Switch (ATS) supports power transfer between utility and generator sources. Its electrical configuration can be selected according to the system’s rated current, voltage, and number of poles.

ATS detail
Automatic Transfer Switch Product Details

Designed for diesel generator applications, our Automatic Transfer Switch (ATS) supports power transfer between utility and generator sources. Its electrical configuration can be selected according to the system’s rated current, voltage, and number of poles.

Control Panel with an ATS
Panel Integration

Designed for installation inside compatible diesel generator control panels, our ATS helps integrate automatic power transfer into the generator’s electrical control system. Its installation requirements should be checked against available mounting space, wiring arrangements, and controller interfaces.

Single-phase vs Three-phase Generator
ATS Integration with Diesel Generator Sets

An Automatic Transfer Switch is an important component in a standby power system, coordinating the transfer of electrical loads between utility power and generator power. Proper integration helps ensure that the ATS and generator control system operate according to the intended system design.

ATS install
ATS Assembly and Control Panel Installation

Correct installation is essential for reliable ATS operation. Attention to terminal connections, wiring arrangements, mounting requirements, and control interfaces helps support safe integration into diesel generator control panels.

Parallel generator connected to load
Standby Power Applications

In manufacturing plants, commercial buildings and construction projects, ATS is often used in backup power systems. When ATS is set up for use, during a power outage, it will switch the power supply equipment of the load from the mains power to the backup power supply.

Generator assembly
Inspection & Order Preparation

Product inspection helps verify that the selected ATS meets applicable specifications and order requirements before shipment. Technical documentation, product identification, and appropriate functional checks support product evaluation and project preparation.

Generator ATS: Technical Guide & Selection Considerations

ATS is usually a device used for switching power supply methods, such as switching from mains power to backup power supply. UsuperPower can select and configure appropriate generator ATS solutions for customers based on their power requirements, application scenarios and project specifications.

How does an automatic transfer switch work?

When the mains power supply is interrupted, ATS will automatically switch to the backup power supply. Now, let me explain the working principle of ATS:

Step 1: Detecting the mains power

If ATS detects that the mains power is normal, the load will continue to be powered by the mains power.

Step 2: Detecting abnormal power supply

The control system will determine whether to switch the power supply mode based on phenomena such as under-voltage, over-voltage, and phase loss.

Step 3: Sending a start request

The ATS controller sends a start signal to the generator.

Step 4: Waiting for the backup power to be ready

Confirm that the frequency, voltage, etc. parameters of the generator meet the set conditions.

Step 5: Switching to generator power supply

ATS will transfer the load to the backup power supply according to the set method.

Step 6: Monitoring whether the mains power has returned to normal

If the mains power returns to normal, the system will confirm and then switch back to normal power supply.

Step 7: Shutting down the generator

If the control system has already switched the power supply back to the mains power, the generator will stop after running for a period of time in no-load mode.

Optional ATS Configuration and Specifications

The specific configuration needs to be determined based on the generator model, electrical system, load requirements, and applicable project standards.

Before confirming your order, you should review the following specifications:

Rated current: Select the ATS rated value that is suitable for the expected load and electrical system.

Rated voltage and frequency: Confirm the compatibility with the on-site power supply and generator output.

Phase and pole number: Verify the system configuration, including the neutral point switching requirements when applicable.

Switching type: Confirm the required switching sequence and whether a temporary interruption is allowed.

Generator controller interface: Confirm the start signal, control connection, and operation logic.

Protection and short-circuit capacity: Check whether the ATS and related protection devices are suitable for the installation environment.

Installation requirements: Confirm the layout of the control cabinet, wiring, spacing, and access requirements for the channel.

The configuration options provided vary depending on the different generator models.

The Benefits of Integrated ATS

Coordinating generator system

The integrated configuration can take into account the automatic transfer switch (ATS) device, the control cabinet of the generator set, and the electrical requirements during the selection process.

Simplifying procurement

The integrated ATS is usually an option when selecting the generator set. If the buyer has the need for an ATS, it can reduce some of the complications caused by coordination.

Selecting as per requirements

The selection of the ATS can be evaluated based on the required voltage, frequency, load characteristics, and the sequence of backup power operation.

Is the ATS included with every Usuper Power diesel generator?

No. The ATS is an optional configuration for selected generator sets. Please confirm availability when requesting a quotation.

Where is the ATS installed?

For the applicable configuration, the ATS is integrated into the generator set’s control cabinet or electrical control panel. The exact arrangement depends on the selected model.

Does the ATS automatically start the diesel generator?

In a properly configured system, the ATS or associated control system can initiate a generator start request when utility power fails. The generator controller manages the starting and running sequence. The actual arrangement depends on the supplied equipment and control interface.

Can the ATS be used with different generator capacities?

ATS suitability depends on the electrical load, current rating, voltage, phase configuration, short-circuit requirements, and generator control interface—not just the generator’s kVA rating. Confirm the appropriate configuration for your selected model.

Does an ATS eliminate all power interruptions?

No. A conventional open-transition ATS introduces a brief interruption during transfer. The total interruption also depends on generator starting time and system configuration. Critical loads may require additional solutions, such as a UPS.

What information is needed to request a quotation?

Please provide the required generator capacity, voltage, frequency, phase configuration, application, destination market, and estimated quantity. If available, include the load requirements and project specifications so that the ATS option can be reviewed.

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