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Our range of low-voltage electrical distribution products includes DC Isolating Switches, offering safe and dependable solutions to meet your needs.

TOSUNlux DC Isolating Switch Supplier

Introducing TOSUNlux S32D series DC isolating switch,ideal for 1-20KW residential or commercial photovoltaic systems, they ensure safety with arc extinction in under 8ms. With a maximum voltage of 1200V DC, IP66 and UV resistance, and options for locking handles and MC4 connectors, our switches offer secure and convenient integration. Choose from 2-pole or 4-pole configurations to meet your specific needs.

TOSUNlux’s DC Isolating Switch has achieved the prestigious TUV CB certification, ensuring top-tier quality and safety standards.Trust Tosunlux’s DC Isolating Switch Series for reliable and efficient photovoltaic system integration.

Choose The Best DC Isolator Switch For Your PV System

TOSUNlux’s DC isolating switch is designed for superior solar photovoltaic systems and is the first choice of leading solar brands due to its stable performance and overvoltage and overload protection capabilities

Why Choose TOSUNlux Brand?

Multiple Product Lines

At TOSUNlux, we proudly offer a diverse range of low-voltage electrical distribution and lighting products that are safe, reliable, and efficient.

Quality and Certification

TOSUNlux’s power supply units are built to deliver exceptional performance, reliability, and innovation, making them suitable for even the most demanding industrial applications. Our products undergo rigorous quality testing and certification processes to ensure that they meet the highest standards.

Main products from us have gained IEC type test report and approval issued by world famous laboratories, such as VDE, INTERTEK, BV, DEKRA and TUV.

More Safety

TOSUNlux’s low voltage products and systems are designed to meet the power, safety, and convenience needs of users in residential and commercial buildings, as well as in industry, power plants, machinery, and equipment of all kinds, on every continent. Our products offer constant proof of their reliability.

30 Years Experience

With over three decades of experience, TOSUNlux has built a reputation as a trusted brand in power distribution. Our innovative products and solutions have helped us develop a deep understanding of the industry and the needs of our customers.

Perfect dealer system

We understand the demands of the marketplace and work closely with our distributors to provide high-quality customer service and support. Our perfect dealer system enables us to build strong relationships with our partners and provide seamless product delivery to our customers.

cost-effective

TOSUNlux’s comprehensive service experience is designed to simplify processes, reduce costs, and increase production, helping our customers run their operations faster, safer, and at a lower cost. Our focus on cost-effectiveness helps us stay ahead of the competition and provide top-notch products and services.

About TOSUNlux

TOSUNlux is a Chinese manufacturer of high-quality DC isolating switches used in residential and commercial distribution boxes or individual electric circuits. Our range includes different models with various specifications and is globally recognized for its reliability and safety, making it a trusted choice for customers worldwide.

Quality and Certification

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All Your Questions

Here are some frequently asked questions about DC Isolating Switch:

A DC isolating switch serves as a crucial safety component in a DC power system, such as a solar panel system. Its primary purpose is to safely disconnect the DC power source from the electrical system during maintenance or in case of an emergency, thereby mitigating the risk of electrical hazards.

There are several types of DC isolating switches, available in both manual and automatic configurations, with different current ratings and pole configurations. Some common types include single-pole, double-pole, and triple-pole switches. The selection of a specific type of switch depends on the application and system requirements.

Though both serve the purpose of disconnecting a DC power source from the system, they function differently. A DC isolating switch establishes or breaks an electrical connection in a DC circuit, while a DC circuit breaker interrupts the flow of electricity in a DC circuit when a fault is detected. In simpler terms, isolating switches are used for routine maintenance or as a safety measure, whereas circuit breakers protect against faults and short circuits.

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application

Application

DC isolating switches safely isolate systems from power sources, such as batteries or solar panels, and enable manual circuit disconnection for safety. Applications include:

Photovoltaic (PV) systems: DC isolators provide safe isolation by breaking direct currents for maintenance work.

Solar panels: The solar panel DC isolator manually disconnects from modules in the photovoltaic.

Electrical circuits: DC isolators turn power on or off by creating or breaking an electrical connection.
DC isolating switches are important in DC-powered electrical systems. They safely isolate the system from its power source and allow manual circuit disconnection for maintenance or safety.

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We Help Your Business to Connect and Grow on Large Scale

TOSUNlux has its own design team with a 5-people in-house design team, which provides 4-5 new series of products every year for our clients.

The Complete Guide to DC Isolating Switches

Overview

This guide provides valuable information on DC isolating switches for photovoltaic systems and battery storage based on thorough research.

What is a DC Isolating Switch?

A DC isolating switch is a device that effectively separates power in photovoltaic systems and battery storage.

Types of DC Isolating Switches

There are various types of DC isolating switches available, including:

1. OTDC Switch-Disconnectors
2. IMO DC Isolator
3. DC Isolation Switch

Applications of DC Isolating Switches

DC isolating switches are used in numerous applications, including photovoltaic systems, battery storage, and high voltage DC PV arrays.

Working Principles of DC Isolating Switches

DC isolating switches serve the purpose of separating the power supply from the load, providing robust and reliable switching and isolation.

How to Wire a DC Isolating Switch

To wire a DC isolating switch, it is essential to follow the wiring diagram provided by the manufacturer. Choose the appropriate type of switch based on the number of poles, phases, and amperage required for your specific application.

Additional Information

It is important to use the correct charger or power adapter for your device to avoid any potential damage. If you have an adapter with the same rating as your device but with opposite polarity, it is recommended to seek professional repair rather than attempting to switch the wires over.

We hope this guide provides a comprehensive understanding of DC isolating switches for your photovoltaic systems and battery storage.

Applications of Modular Changeover Switch

Modular changeover switches offer many applications, from emergency power supply systems to simple residential needs. They provide a safe and dependable solution in any setting.

A changeover switch’s primary purpose is to shift the load from one electrical source to another when a power outage occurs. It often works in tandem with a generator, allowing users to continue running their appliances until power is restored to their home or business.

A changeover switch is also useful to isolate a power source during an outage or prevent an overload. Depending on the type of switch, this can be done either manually or automatically, depending on its capabilities.

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