GDIS Suppliers in China - High-Reliability Ground Interference Suppressor for Control System Protection in Factories

GDIS is an advanced solution designed for critical sensitive control equipment, such as DCS and PLC, used in continuous production processes. This innovative product effectively shields against high-frequency interference originating from ground grids, while also mitigating secondary equipment disturbances caused by ground potential surges, ground overvoltage, and more. By implementing GDIS, users can significantly reduce the risks of misoperations and measurement inaccuracies in comprehensive automation control systems and precision instruments, Notably, the suppression capabilities of GDIS are largely independent of the grounding grid's impedance and connection resistance. The primary effectiveness of this ground grid interference suppressor lies in its unique design that focuses on defense and energy absorption, Manufactured with high reliability and rapid response times, GDIS plays a crucial role in isolating high-frequency lightning currents. This not only lowers the potential for control system interference but also helps prevent unplanned shutdowns caused by local power failures. Ultimately, GDIS serves as a vital safeguard against serious incidents, such as fires and explosions resulting from secondary accidents, As a leading product from a reputable China factory, GDIS is available through trusted suppliers, ensuring customers receive high-quality and reliable solutions for their control system needs

Product Detail

Functional Features

Effectively isolate high-frequency interference from the ground grid;
Reduce the risk of control system interference;
Prevent unplanned shutdown accidents caused by control system failures;
GDIS has fault alarm function；
The GDIS device has redundancy function and adopts a dual parallel functional module design. Single module damage does not affect the normal operation of the equipment and the reliability of system grounding；
Depression ratio higher than 80%;
To ensure the safety of electrical equipment, the GDIS device has redundant functions and adopts a dual parallel functional module design. Single module damage does not affect the normal operation of the equipment and the reliability of system grounding
Not only maintains the significant advantages of joint grounding and independent grounding, but also overcomes their respective shortcomings.

Technical Indicators

Parameter	Specification Value
Interference suppression frequency range	75Hz~100MHz
Depression ratio	50%~96%
Maximum suppression voltage	25kV (Transient)
Maximum suppression current	320kA (Transient)
Normal loss	≤ 60W
Working temperature	-40~+60℃
Temperature rise	< 20K
Noise	< 60dB
Protection level	IP30
Overall efficiency	>98%

Detail Pictures

GDIS for Control Power Lightning & Interference - Front View

GDIS for Control Power Lightning & Interference - Side View

GDIS for Control Power Lightning & Interference - Detail View

Frequently Asked Questions (FAQ)

What are the primary functions of the GDIS device?

The GDIS device effectively isolates high-frequency interference from the ground grid, reduces the risk of control system interference, prevents unplanned shutdown accidents caused by control system failures, and maintains the advantages of both joint and independent grounding.

How does the GDIS redundancy module design benefit the system?

The GDIS device utilizes a dual parallel functional module design. This redundant setup ensures that if a single module is damaged, it will not affect the normal operation of the equipment or compromise the reliability of the system grounding.

What is the interference suppression range of the GDIS device?

The device features an interference suppression frequency range of 75Hz to 100MHz and achieves a depression ratio between 50% and 96% (higher than 80% under standard functional criteria).

What are the maximum transient suppression capacities?

The GDIS device can handle a maximum transient suppression voltage of up to 25kV and a maximum transient suppression current of up to 320kA.

What are the environmental and operational limits of the GDIS?

The device operates within a temperature range of -40℃ to +60℃, has a temperature rise of less than 20K, produces noise of less than 60dB, features an IP30 protection rating, and has an overall efficiency exceeding 98%.