GDIS: Reliable Control Power Lightning & Interference Solutions from China Suppliers and Factory

GDIS is an advanced solution designed for critical control equipment, such as DCS and PLC, in continuous production processes. As a leading product among suppliers in China, GDIS effectively protects against high-frequency interference from ground grids and mitigates secondary equipment disruptions caused by ground potential variations and overvoltage. This results in reduced misoperations and measurement inaccuracies in comprehensive automation control systems and precision instruments, The suppression capabilities of GDIS are minimally influenced by the impedance of grounding grids, ensuring consistent performance regardless of grounding connection resistance. Its primary defense mechanism relies on the inherent energy absorption of the GDIS itself, achieving optimal interference suppression, GDIS also boasts enhanced reliability and faster response times, efficiently isolating high-frequency lightning currents. This unique feature helps to decrease the risk of control system interference and prevents unplanned shutdowns due to local power outages. Additionally, GDIS plays a crucial role in averting severe incidents, such as fires and explosions, that may result from secondary accidents. Choose GDIS from trusted suppliers and factories in China for a superior defense against electrical disturbances

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

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

Frequently Asked Questions (FAQ)

QHow does GDIS protect control systems from interference?

GDIS effectively isolates high-frequency interference originating from the ground grid, which significantly reduces the risk of control system interference and prevents unplanned shutdown accidents.

QWhat is the interference suppression range of the GDIS device?

The GDIS device features an interference suppression frequency range of 75Hz to 100MHz, with a depression ratio ranging from 50% to 96% (higher than 80% under standard functional features).

QDoes the GDIS device support redundant operations?

Yes. GDIS adopts a dual parallel functional module design for redundancy. If a single module is damaged, it will not affect the normal operation of the equipment or the reliability of the system grounding.

QWhat are the maximum transient suppression limits of this device?

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

QWhat are the working temperature and protection ratings?

The device is designed to operate in temperatures ranging from -40℃ to +60℃, features an IP30 protection level, and operates with an overall efficiency of over 98%.