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As system power density increases and signal transmission becomes more complex, issues such as electromagnetic interference (EMI) and radio frequency interference (RFI) become more prominent. These disturbances can cause signal distortion, sensor malfunction, and even equipment failure.
For instance, hydrogen electrolyzers and power units generate high currents and high-frequency pulse signals during operation. These electromagnetic fields can easily couple into sensors, PLC control lines, or communication lines, leading to signal fluctuations, data anomalies, or control malfunctions.
In complex systems, poor grounding or inconsistent ground potential in the shielding layer can create ground loops, resulting in noise interference or signal drift.
Inside electrolyzers or control cabinets, signal cables and power cables are often routed in parallel.
Without effective shielding isolation, crosstalk and signal coupling may occur, affecting communication stability.
Over time, cables are also subjected to mechanical stress, vibration, and friction, which can cause conventional shielding meshes to loosen, break, or lose their shielding effectiveness.
MJ's Technical Solution
MJ specializes in high-performance wire harness protection and shielding technology.
Through the independently developed Braided Shielding Sleeve with Grounding Strap series, MJ provides systematic protection solutions for hydrogen energy and industrial electronic systems.
1. Electromagnetic Shielding & Signal Integrity
MJ uses high-purity tinned copper wires precisely woven into a 360° conductive shield.
This effectively blocks external electromagnetic fields, reduces signal noise, and ensures stable signal transmission.
2. Integrated Grounding Design
The sleeve features an internal grounding strap that connects directly to the equipment chassis or ground terminal, ensuring consistent shield potential, eliminating ground loop effects, and enhancing EMC performance.
3. Flexible Split Design
The side-entry (split) structure allows installation without disconnecting cables — ideal for confined spaces such as control cabinets, PEM electrolyzers, and instrument boxes.
This design enables quick maintenance and replacement, significantly reducing assembly time.
4. Enhanced Environmental & Mechanical Protection
The tinned copper layer offers excellent corrosion and high-temperature resistance, while the braided construction itself provides superior flexibility and mechanical durability.
System Application of MJ Products
Application Area
Function
Typical Role
Electrolyzer Harness
EMI Shielding & Grounding Protection
Ensures stable sensing and monitoring signals
Power Control Cabinets
High-Frequency Noise Suppression
Protects control circuits from interference
Communication & Data Transmission Cables
Signal Integrity Protection
Reduces communication errors and latency
Equipment Grounding Systems
Ground Equalization
Eliminates ground loops and potential drift
We uphold the mission of providing safe, reliable, and high-performance cable protection and connectivity solutions.
Our braided shielding products, manufactured through rigorous material selection and process control, are widely used in: