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GYH8-63 DC Switch Disconnector

GYH8-63 DC Switch Disconnector is a high-performance DC isolator switch designed for safe and reliable isolation in solar PV systems, DC distribution networks, and industrial applications. Featuring high voltage capability, non-polarity design, and flexible DIN rail installation, it provides efficient DC circuit control and protection for global B2B electrical projects.

◉ High DC Isolation Performance: Designed for reliable DC circuit isolation, ensuring safe operation and maintenance of solar PV systems, DC distribution networks, and industrial electrical applications.
◉ High Voltage & Current Capability: Supports demanding DC power applications with stable switching performance and reliable electrical control under high-voltage conditions.
◉ Non-Polarity Design: Allows flexible wiring installation without polarity restrictions, simplifying system integration and improving installation efficiency.
◉ Safe & Reliable Operation: Provides effective DC circuit disconnection and protection, helping reduce electrical risks and improve system safety.
◉ DIN Rail Mounting Design: Compact structure with standard DIN rail installation for easy integration into control cabinets and electrical distribution systems.

GYH8-63 DC Switch Disconnector Overview

GYH8-63 DC Switch Disconnector is a reliable DC isolation solution designed for photovoltaic systems, DC power distribution, and industrial electrical applications. It provides safe and efficient circuit disconnection for DC power systems, helping ensure electrical safety during installation, maintenance, and system operation.

Designed with high-performance switching capability, the GYH8-63 DC Isolator Switch supports stable operation in high-voltage DC environments. Its compact structure, non-polarity design, and DIN rail mounting capability make it suitable for various electrical control cabinets and renewable energy applications.

With reliable insulation performance and durable mechanical operation, this DC Disconnect Switch helps improve system safety and operational efficiency. It is widely used in solar PV installations, battery energy storage systems, communication power systems, and other DC electrical applications requiring dependable isolation control.

Wiring Diagrams

GYH8-63 DC Switch Disconnector Electrical Connection Diagram

Outline Overall And Installing Dimensions

GYH8-63 DC Switch Disconnector outline and installation dimensions

GYH8-63 DC Switch Disconnector Technical Specifications

GYH8-63 DC Switch Disconnector Technical Specifications

Technical Parameters Specification
Product Model GYH8-63
Product Type DC Switch Disconnector
Rated Voltage (Ue) DC 1500V
Rated Current (Ie) 16A, 25A, 32A, 40A, 50A, 63A
Number of Poles 1P / 2P / 4P
Rated Insulation Voltage (Ui) 1500V DC
Rated Impulse Withstand Voltage (Uimp) 8kV
Utilization Category DC-21B
Electrical Life ≥ 2000 operations
Mechanical Life ≥ 10000 operations
Installation Method DIN Rail Mounting
Mounting Type 35mm Standard DIN Rail
Protection Degree IP20
Operating Temperature -25℃ to +70℃
Storage Temperature -40℃ to +85℃
Terminal Capacity 1.5-25mm²
Standard Compliance IEC 60947-3

Applications of GYH8-63 DC Switch Disconnector

Solar PV Systems

GYH8-63 DC Switch Disconnector is widely used in solar photovoltaic systems to provide safe DC circuit isolation between solar panels, inverters, and other electrical components. It helps ensure reliable operation and safe maintenance of PV installations.


Battery Energy Storage Systems (BESS)

Designed for DC power applications, the GYH8-63 DC Isolator Switch can be integrated into battery energy storage systems to provide reliable circuit disconnection and improve system safety during operation and maintenance.


DC Power Distribution Systems

Suitable for DC distribution networks, this DC Disconnect Switch provides efficient switching and isolation control for various DC power equipment, helping improve electrical system reliability.


Industrial Electrical Applications

The GYH8-63 DC Switch Disconnector is suitable for industrial control systems, automation equipment, and other DC electrical applications requiring stable isolation and safe circuit management.


Communication & Renewable Energy Equipment

With compact design and reliable switching performance, the product can be used in communication power systems, renewable energy equipment, and other DC applications requiring dependable isolation solutions.

GYH8-63 DC Switch Disconnector FAQs

What is a GYH8-63 DC Switch Disconnector?
The GYH8-63 DC Switch Disconnector is a DC isolation device designed for safely disconnecting and controlling DC circuits in solar PV systems, energy storage systems, and industrial DC applications. It provides reliable electrical isolation and helps improve system safety during operation and maintenance.
What applications can use the GYH8-63 DC Switch Disconnector?
The GYH8-63 DC Switch Disconnector is widely used in solar photovoltaic systems, battery energy storage systems (BESS), DC power distribution systems, communication power equipment, and industrial electrical applications requiring reliable DC circuit isolation.
What is the difference between a DC Switch Disconnector and a normal AC switch?
A DC Switch Disconnector is specially designed to safely interrupt direct current circuits, which have different arc characteristics compared with AC circuits. The GYH8-63 provides reliable DC isolation performance and is suitable for high-voltage DC applications such as solar PV systems and energy storage projects.
Can the GYH8-63 DC Switch Disconnector be used for solar PV systems?
Yes. The GYH8-63 DC Switch Disconnector is suitable for solar PV applications and can be installed between photovoltaic modules, inverters, and DC distribution systems to provide safe isolation and convenient maintenance.
How is the GYH8-63 DC Switch Disconnector installed?
The GYH8-63 DC Switch Disconnector supports standard DIN rail mounting, allowing easy installation inside electrical control cabinets and distribution boxes. Its compact design helps simplify system integration and installation.

Get a Quote for GYH8-63 DC Switch Disconnector

Improve the safety and reliability of your DC electrical systems with GEYA GYH8-63 DC Switch Disconnector. Designed for solar PV systems, energy storage applications, and industrial DC power solutions, this product provides reliable isolation performance, flexible installation, and stable operation.

GEYA offers professional electrical protection solutions with technical support, quality assurance, and customized service for distributors, installers, and global project partners. Contact us today to get product details, technical support, and a competitive quotation for your application.

GYH8-63 DC Switch Disconnector Product Video

GYH8-63 DC Switch Disconnector Detail Display

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