125A Dual Power Automatic Transfer Switch (ATS)

125A Dual Power Automatic Transfer Switch (ATS) Supplier in Bangladesh

STCMart is a trusted supplier of Automatic Transfer Switch (ATS) also known as Auto Changeover Switch in Bangladesh, offering high-quality ATS solutions at competitive prices for residential, commercial, industrial, and solar power applications. If you are searching for the best 125A ATS price in Bangladesh, reliable switching performance, and professional technical support, STCMart is your dependable source.

Key Features of 125A Dual Power Automatic Transfer Switch (ATS)

Fully Automatic Power Transfer: Automatically monitors both power sources and seamlessly transfers the load between utility grid and backup power when power interruptions occur.

Automatic & Manual Switching Modes: Supports both automatic operation and manual transfer, providing maximum flexibility for maintenance, testing, and emergency situations.

Ideal for Solar Hybrid Systems: Perfectly suited for solar hybrid inverter installations, allowing smooth switching between grid power and inverter output.

Bypass Function for Maintenance: Acts as a convenient bypass switch, enabling direct grid supply to the load during inverter servicing or unexpected inverter faults.

High Current Capacity: Rated at 125A, making it suitable for high-load residential, commercial, industrial, and agricultural applications.

Fast Transfer Performance: Delivers rapid source switching to minimize power interruption and ensure continuous operation of critical loads.

Dual Power Monitoring: Continuously detects the availability and condition of both primary and secondary power sources for reliable operation.

LED Status Indicators: Equipped with clear status indicators that display operating mode, power source availability, and transfer status at a glance.

Reliable Mechanical Interlocking: Prevents simultaneous connection of both power sources, ensuring safe and secure power transfer.

Durable Construction: Manufactured with high-quality flame-retardant engineering materials for long service life and enhanced electrical safety.

Intelligent Control System: Built-in controller ensures accurate sensing, reliable switching, and stable long-term performance.

Wide Application Compatibility: Compatible with utility power, solar hybrid inverters, generators, UPS systems, and other backup power sources.

Compact Design: Space-saving design allows easy installation inside distribution boards, electrical panels, and solar combiner systems.

Enhanced Electrical Safety: Designed to improve system protection and reduce the risk of downtime caused by power failures or manual switching errors.

Low Maintenance Requirement: Engineered for dependable operation with minimal maintenance, making it a cost-effective power management solution.

Suitable for Bangladesh Power Conditions: Designed to perform reliably under the voltage fluctuations and frequent power interruptions commonly experienced in Bangladesh.

TOMZN 2P TOQ7 Dual Power Automatic Transfer Switch (ATS) – 230V 125A Specifications

Here’s a detailed look at the technical specifications for the TOMZN TOQ7 2P 125A ATS, providing all the necessary information for informed decision-making.

Parameter	Specification
Model	TOMZN TOQ7-125/2P
Rated Current	125A
Rated Voltage	AC 220V/230V (Single Phase)
Frequency	50Hz
Number of Poles	2P (Depending on Model)
Transfer Mode	Automatic & Manual Transfer
Switching Time	≤ 50ms
Insulation Voltage	690V
Rated Short Circuit Withstand Current	Up to 10kA
Control Voltage	AC 220V
Mechanical Life	≥ 8,000 Operations
Electrical Life	≥ 1,500 Operations
Operating Temperature	-5°C to +40°C
Relative Humidity	≤ 95%
Installation Method	DIN Rail / Panel Mounted
Protection Class	IP30
Primary Power Source	Utility Grid
Secondary Power Source	Solar Hybrid Inverter / Generator / UPS
Operation Status Indicator	LED Indicator
Operating Humidity	≤ 95% (non-condensing)
Housing Material	Flame-retardant PA66
Application	Solar Hybrid System, Generator Backup System, Residential, Commercial & Industrial Power Distribution

A Dual Power Automatic Transfer Switch (ATS) is an essential electrical switching device designed to automatically transfer electrical loads between two power sources. Typically, it switches between utility grid power and an alternative source such as a generator, solar hybrid inverter, UPS system, or backup power supply. This automatic switching capability ensures uninterrupted power delivery during utility outages and restores the load back to the primary source once power returns.

As the demand for solar energy and backup power solutions continues to grow in Bangladesh, the need for a reliable Automatic Transfer Switch for Solar Hybrid Systems has become increasingly important. An ATS provides seamless power transfer without requiring manual intervention, helping protect sensitive equipment and ensuring continuous operation of critical electrical loads.

One of the major advantages of a Dual Power ATS is its ability to function as both an automatic transfer device and a manual bypass switch. In modern solar hybrid systems, inverter maintenance, servicing, software upgrades, or unexpected inverter faults can interrupt power supply. With a dual-function ATS, users can easily transfer loads between grid and inverter sources while maintaining operational continuity. This feature makes it an ideal solution for homes, offices, commercial buildings, factories, and agricultural applications.

The 125A rating makes this ATS suitable for higher-capacity electrical installations where substantial load handling is required. Whether you are managing a large residential property, a commercial facility, or an industrial operation, a 125A ATS provides dependable performance and enhanced electrical safety.

At STCMart, we understand that customers need quality products that offer long-term reliability. Our 125A Dual Power ATS units are selected to meet the demanding electrical conditions commonly experienced in Bangladesh, including voltage fluctuations, frequent power interruptions, and varying load requirements. These ATS devices feature durable construction, fast switching response, stable operation, and extended service life.

For solar hybrid systems, an ATS serves as a critical component that improves system flexibility and reliability. During grid failure, the ATS can automatically switch loads to the inverter or backup source. When utility power is restored, it safely transfers the load back to the grid. Additionally, the manual transfer function allows users to bypass the inverter when necessary, ensuring uninterrupted electricity during maintenance or troubleshooting.

STCMart is committed to providing customers with authentic products, competitive pricing, technical guidance, and dependable after-sales support. Whether you are an electrical contractor, solar system integrator, facility manager, or homeowner, our team can help you select the most suitable ATS solution for your application.

When searching for the best 125A Automatic Transfer Switch supplier in Bangladesh, STCMart stands out for product quality, customer service, and value for money. Our goal is to help customers build safer, smarter, and more reliable power systems through high-performance electrical switching solutions.

Applications of 125A Dual Power ATS

• Solar Hybrid Power Systems
• Residential Buildings
• Commercial Establishments
• Factories and Industrial Facilities
• Generator Backup Systems
• Agricultural Irrigation Systems
• Offices and Data Centers
• Hospitals and Critical Load Applications

Why 125A ATS is Important for Solar Hybrid Systems?

In a Solar Hybrid System, uninterrupted power supply is essential. A 125A Dual Power ATS automatically transfers the load between Grid Power and Solar Inverter output whenever power conditions change. When the inverter requires maintenance or develops a fault, the Manual Transfer (Bypass) function allows users to instantly move the load back to utility power without shutting down the electrical system.

This makes the ATS one of the most important protection and power management devices in modern solar installations. It enhances system reliability, reduces downtime, improves user convenience, and protects critical electrical loads from unexpected power interruptions.

Frequently Asked Questions (FAQ)

What is a 125A Dual Power Automatic Transfer Switch?

A 125A Dual Power ATS is an electrical switching device that automatically transfers loads between two power sources, such as grid power and a generator or solar inverter, ensuring uninterrupted electricity supply.

Can a 125A ATS be used with a solar hybrid inverter?

Yes. A 125A ATS is widely used in solar hybrid systems to switch between utility power and inverter output automatically or manually when required.

Why is ATS important for a solar hybrid system?

ATS ensures seamless power transfer during outages and can also function as a bypass switch during inverter maintenance, reducing downtime and improving system reliability.

Does the ATS support manual switching?

Yes. Most 125A Dual Power ATS models support both automatic and manual transfer modes, offering greater flexibility and control.

Is a 125A ATS suitable for commercial and industrial use?

Absolutely. The 125A current rating makes it suitable for higher-capacity residential, commercial, and industrial electrical systems.

What are the benefits of an automatic transfer switch?

Benefits include uninterrupted power supply, improved electrical safety, reduced manual intervention, equipment protection, and enhanced system reliability.

Where can I buy a 125A Dual Power ATS in Bangladesh?

You can purchase high-quality 125A Dual Power ATS units from STCMart, a trusted supplier of electrical and solar accessories in Bangladesh.

What is the best 125A ATS price in Bangladesh?

The price depends on brand, specifications, and features. STCMart offers competitive pricing along with genuine products and professional support.

Does ATS require maintenance?

ATS devices require periodic inspection and testing to ensure reliable operation, but they generally require minimal maintenance.