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🔹 Product Overview – P+F KFD2-STC4-Ex1

The P+F KFD2-STC4-Ex1 is a certified safety barrier designed specifically for use in hazardous environments requiring intrinsic safety measures. It functions as a galvanic isolation barrier, providing safe electrical separation between hazardous and non-hazardous areas while enabling signal transmission for process instrumentation.

Engineered to meet stringent explosion protection standards, the KFD2-STC4-Ex1 ensures reliable and safe operation in zones classified as explosive atmospheres (Ex zones). Its robust design, combined with high insulation resistance and fail-safe operation, makes it an essential component for industries such as chemical processing, oil & gas, and pharmaceuticals where safety cannot be compromised.

📊 Technical Parameters

⚙️ Key Features & Benefits

• 🛡 Intrinsic Safety – Certified for use in hazardous zones, preventing sparks and ignition sources.
• 🔌 Galvanic Isolation – Ensures full electrical separation between zones for maximum safety.
• 📏 Compact Design – Slim 12.5 mm width allows for space-efficient panel installation.
• ⚙ Easy Installation – DIN rail mounting with spring clamp terminals simplifies wiring and maintenance.
• ✅ SIL 3 Certified – Complies with high safety integrity level standards for critical applications.
• 🌡 Wide Temperature Range – Reliable operation across industrial environments.

🏭 Application Areas

• Chemical and Petrochemical Plants – Safeguarding control signals in explosive atmospheres.
• Oil & Gas Industry – Intrinsic safety in drilling and refining operations.
• Pharmaceutical Manufacturing – Protecting sensitive process instrumentation.
• Food & Beverage Industry – Ensuring safety in production lines with flammable gases.
• Power Generation – Isolation of measurement and control signals in hazardous zones.

🔧 Installation & Maintenance

Installation Guidelines

• Mount the KFD2-STC4-Ex1 firmly on a standard 35 mm DIN rail within the control panel.
• Ensure wiring complies with local explosion protection and electrical regulations.
• Use proper cable glands and sealing methods to maintain intrinsic safety.
• Connect input signals from hazardous areas and output to safe-area control equipment as per the wiring diagram.
• Verify supply voltage is stable and within the specified 24 V DC range.
• Confirm the grounding system is robust to avoid potential interference or hazardous voltage buildup.

Maintenance Tips

• Periodically inspect terminals and wiring for corrosion, looseness, or damage.
• Clean the module and panel to prevent dust accumulation which could affect heat dissipation.
• Use diagnostic LEDs on the module to monitor operational status.
• Test the barrier functionality regularly as part of safety system audits.
• Replace any worn or damaged components immediately to maintain safety integrity.

⚠️ Usage Precautions

• Do not exceed specified voltage or current limits to avoid damaging the barrier or reducing safety.
• Ensure all connected field devices and wiring are compatible with intrinsic safety requirements.
• Avoid mechanical shocks and vibrations beyond the specified operating limits.
• Keep the device away from excessive moisture or corrosive chemicals.
• Confirm compatibility with the control system’s communication protocols and signal standards.

🔗 Purchase & Further Details

For more information and purchasing, visit:
www.fy-module.com
www.fy-module.com/product/

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