SKU: 68577
| Attribute | Details |
|---|---|
| Brand | Pepperl+Fuchs |
| System | K-System |
| Model | KFD2-SL2-EX1.LK |
| Part Number | 200542 |
| Explosion Protection (Gas) | II (1) G [Ex ia] IIC ZELM 99 ATEX 0015 |
| Explosion Protection (Dust) | II (1) D [Ex iaD] |
| Zone 2 Protection | II 3 G Ex nA nC IIC T4 Pf08Cert0445X |
| Maximum Values | Uo = 28V Io = 110mA Po = 770mW |
| Output Rating | DC: 20–30V AC: 253V, 2A (Power Factor: 0.7) DC Output: 40V, 2A |
| Power Supply | DC 19–30V / 120–60mA |
| Maximum Voltage (Um) | 40V |
| Ambient Temperature | -20°C to +60°C |
| Country of Manufacture | Made in Singapore |
| Serial/Batch Code | 10329540052209 |
| Weight | 140 g |
| Condition | Used |
The Pepperl+Fuchs KFD2-SL2-EX1.LK Isolated Barrier is a high-quality interface module from the trusted K-System series, engineered for safe signal transmission between field devices in hazardous areas and control systems in safe zones. Designed for intrinsic safety and certified with multiple ATEX classifications, this isolated barrier provides secure operation in environments with explosive gases and dust.
With strong protection ratings including [Ex ia] IIC for gas zones and [Ex iaD] for dust zones, this module ensures electrical isolation and safe energy limitation for field signals. It is widely used in petrochemical plants, offshore platforms, refineries, and automation systems requiring high-integrity safety interfaces.
The module supports a wide operating temperature range from -20°C to +60°C and features multiple electrical ratings such as Uo = 28V, Io = 110mA, and Po = 770mW, ensuring compatibility with various intrinsically safe field devices.

Key Features:
1. Intrinsically Safe Interface: Enables safe signal transmission between hazardous and safe areas.
2. ATEX Certified: Suitable for explosive gas and dust atmospheres.
3. Multi-Zone Compatibility: Supports Zone 0, Zone 1, and Zone 2 protection.
4. High Electrical Isolation: Prevents dangerous energy transfer and protects control systems.
5. Wide Supply Range: Operates on DC 19–30V for flexible installation.
6. Robust Output Ratings: Offers AC and DC power handling with high reliability.
7. Durable K-System Design: Industry-standard slim housing fits DIN rail systems easily.
8. Temperature Resistant: Operates effectively from -20°C to +60°C.
9. High Safety Integrity: Ensures safe use in chemical plants, offshore sites, and industrial automation environments.
10. Made in Singapore: Manufactured under strict quality control for dependable performance.
Applications:
1. Hazardous Area Instrumentation: Transmits signals from sensors, switches, and transmitters.
2. Oil & Gas Installations: Ensures intrinsic safety for field equipment.
3. Offshore & Marine Platforms: Used in high-risk explosive zones.
4. Petrochemical Plants: Suitable for gas analyzers, flowmeters, and pressure sensors.
5. Refineries: Safe interfacing for motors, pumps, and monitoring circuits.
6. Industrial Automation: Provides safe isolation between hazardous area devices and PLC/DCS.
7. Dust Hazard Environments: Supports equipment installed in silos, mills, and grain processing units.
8. Chemical Processing Units: Protects control systems from unsafe energy transfer.
9. Power Plants: Ensures safe signal conditioning in explosive risk zones.
10. Maintenance & System Upgrades: Used during panel refurbishing and safety compliance updates.
Explore the high-performance Isolated Barrier at Aeliya Marine Tech, engineered for precise signal isolation, reliable intrinsic safety, and long-lasting protection in hazardous industrial environments.
Hassle-Free Returns & Refunds at Aeliya Marine Tech
We at Aeliya Marine Tech are committed to your satisfaction. If you encounter any issues with your purchase, we want to ensure a smooth and worry-free resolution. Here's what you need to know about our return and refund policy:
Peace of Mind with a 30-Day Warranty:
We offer a generous 30-day warranty on all products from the date of delivery. If your product isn't functioning properly within this timeframe, you can easily request a replacement or refund.
What Can Be Returned?
- Products that are not working as expected (non-functional)
- Products with condition or malfunction issues
- Products with minor cosmetic damages (excluding damage caused during shipping)
Easy Return Process:
- Gather Proof of Purchase: Locate your receipt or invoice with the PI/PO Number, Invoice Number, and Date of Delivery.
- Contact Us: Reach out to our friendly customer support team at sales@aeliyamarine.com or call us at +91 9725218537.
- Return the Product: Securely package the product in its original packaging (if possible) and ship it to the address below:
Receiving Your Refund:
Once we receive the returned product, our team will inspect it thoroughly. Upon approval, your refund will be processed and credited back to your original payment method within a specific timeframe (details available in our Payment Terms).
Missing Refund?
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Exchanges for Defective or Damaged Items:
We understand the need for a seamless experience. If you receive a defective or damaged item, we offer a straightforward exchange for the same product. Simply contact us via email at sales@aeliyamarine.com, and we'll guide you through the process.
Warranty Validation:
To facilitate a smooth warranty claim, please share proof of purchase along with relevant documentation like pictures or testing videos specific to your product.
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