GYH8-63 DC Switch Disconnector

As the main switch in the combination of electrical terminal apparatus, GYH8-63 DC Switch Disconnector is suitable for circuit of AC 50/60Hz, rated voltage 230V/400V, rated current up to 125A for isolating, it also can be used for infrequent on-and-off circuit, and is widely used in industry, mine, high-building, commerce and household and so on.

Key Features

  • Non-Polarity Design: Simplifies installation and reduces the risk of wiring errors.
  • High Voltage Capability: Supports 1P (300V), 2P (600V), 3P (900V), and 4P (1200V) configurations.
  • Built-in Shorting Bar: Integrated design for easier wiring and better conductivity.
  • Visual Safety: Equipped with a clear contact position indication function.
  • Eco-Friendly: Fully compliant with RoHS 2.0 environmental protection standards.
  • Flexible Installation: Supports standard 35mm DIN rail mounting (TH35-7.5).
SKU GYH8-63 Category

Description

High-Performance DC Isolation for Solar Systems

The GYH8-63 DC Switch Disconnector is engineered to meet the rigorous demands of modern DC electrical systems. Compliant with IEC/EN 60947-3 and GB/T 14048.3 standards, this isolator ensures safety and reliability in photovoltaic power generation, communication power systems, and industrial DC control circuits.

Unlike standard AC switches, the GYH8-63DC is optimized for high-voltage DC applications (up to 1200V), making it an essential component for solar combiner boxes and DC distribution cabinets.

Durability and Safety

Designed for longevity, the GYH8-63 offers a mechanical life of 20,000 operations and an electrical life of 1,500 operations. With a rated impulse withstand voltage (Uimp) of 6kV, it provides robust protection against voltage surges, ensuring the safety of your downstream equipment.

Parameter Specification
Product Model GYH8-63DC
Category Non-polarity DC Switch Disconnector
Rated Current (In) 16A, 20A, 25A, 32A, 40A, 50A, 63A
Rated Voltage (Ue) 1P: 300V DC
2P: 600V DC
3P: 900V DC
4P: 1200V DC
Rated Insulation Voltage (Ui) 1200V
Number of Poles 1P, 2P, 3P, 4P
Rated Impulse Withstand Voltage (Uimp) 6kV
Rated Short-time Withstand Current (Icw) 12Ie, 1s
Rated Short-circuit Making Capacity (Icm) 20Ie, t=0.1s
Electrical Life 1,500 cycles
Mechanical Life 20,000 cycles
Wiring Capacity 0.5 – 16 mm²
Installation Method TH35-7.5 Standard DIN Rail
Standard Compliance IEC/EN 60947-3, GB/T 14048.3

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