KFD2-SCD2-EX1.LK Pepperl+Fuchs K-System Analog Isolator Module
Manufacturer: Pepperl+Fuchs
Product No.: KFD2-SCD2-EX1.LK
Condition： In stock
Product Type: Analog Isolator Module
Product Origin: USA
Payment: T/T, Western Union
Weight: 100g
Shipping port: Xiamen
Warranty: 12 months
Estimate delivery times: 12-26 days (International), 3-6 days (United States).
Return within 30 days of purchase. Duties & taxes are non-refundable.
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KFD2-SCD2-EX1.LK Pepperl+Fuchs K-System Analog Isolator
KFD2-SCD2-EX1.LK is a high-precision analog isolator from the Pepperl+Fuchs K-System Series.
The module delivers galvanically isolated 4–20 mA signal transmission for hazardous process automation environments.
The compact DIN rail structure supports dense cabinet installations.
This isolator improves signal integrity between field instrumentation and control systems.
The design supports intrinsically safe applications requiring SIL 2 compliance.
Industrial engineers widely use this module in process safety and analog loop isolation systems.
System-Oriented Design Structure
-
Core Functional Layer
- Analog current isolation
- Signal conditioning
- Intrinsic safety barrier integration
- Galvanic separation technology
-
Electrical Interface Layer
- 4–20 mA input and output architecture
- DIN rail power distribution compatibility
- Power Rail integration support
- Terminal-based wiring flexibility
-
Safety and Compliance Layer
- SIL 2 functional safety support
- ATEX hazardous area certification
- IECEx intrinsic safety compliance
- FM and UL approvals
Technical Operating Profile
| Brand | Pepperl+Fuchs |
| Series | K-System |
| Model | KFD2-SCD2-EX1.LK |
| Module Type | Analog Isolator |
| Signal Type | Analog output |
| Safety Integrity Level | SIL 2 |
| Rated Supply Voltage | 20–35 V DC |
| Power Consumption | 1.3 W |
| Power Dissipation | 1.1 W at 20 mA into 500 Ω |
| Input Signal | 4–20 mA |
| Output Signal | 4–20 mA |
| Input Resistance | >100 kΩ |
| Output Load | 100–700 Ω |
| Accuracy | 0.1% |
| Temperature Drift | ≤ ±20 ppm/K |
| Rise Time | <100 µs |
| Isolation Standard | EN 50178 |
| Protection Rating | IP20 |
| Ambient Temperature | -20°C to +60°C |
| Mounting Method | 35 mm DIN rail |
| Dimensions | 20 × 115 × 115 mm |
| Weight | Approx. 100 g |
Hazardous Area Certification Matrix
- ATEX Certificate: BAS 00 ATEX 7215
- IECEx Approval: IECEx BAS 16.0045
- FM Control Drawing: 116-0129
- UL Control Drawing: 116-0173
- Intrinsic Safety: Ex ia IIC / Ex iaD
- Maximum Safe Voltage: 250 V rms
- Explosion Protection: Zone 2 Ex nA II T4
Global PLC Spare HUB's Insight
KFD2-SCD2-EX1.LK performs exceptionally well in complex process signal isolation applications.
The fast response time improves control loop stability during transient process conditions.
The module maintains strong analog accuracy even under fluctuating ambient temperatures.
Its compact DIN rail structure benefits high-density control cabinet layouts.
Process engineers often deploy this model in safety instrumented systems requiring stable intrinsic safety barriers.
Recommended compatible equipment:
- DCS process control systems
- PLC analog input systems
- Pressure transmitters
- Flow transmitters
- Temperature transmitters
- Safety shutdown systems
- Refinery instrumentation panels
- Chemical process automation systems
Application Environment
- Hazardous industrial process areas
- Oil and gas process control
- Chemical production facilities
- Pharmaceutical automation systems
- Power generation instrumentation
- Tank farm signal isolation systems
- Explosion-proof control cabinets
Signal Diagnostic Capability
- Improves analog loop stability
- Reduces ground loop interference
- Protects control systems from field-side disturbances
- Supports stable transmitter signal replication
- Enhances process measurement reliability
- Improves long-distance analog signal integrity
Optional Accessory Compatibility
- Power feed module KFD2-EB2(.R4A.B)(.SP)
- Universal power rail UPR-03(-M)(-S)
- Profile rail K-DUCT-BU(-UPR-03)
Installation and Engineering Notes
- Install on grounded 35 mm DIN rails.
- Separate signal and power wiring paths.
- Verify hazardous area certification requirements before deployment.
- Use shielded instrumentation cabling for optimal signal integrity.
- Maintain ventilation spacing inside dense control cabinets.
- Inspect terminal tightness during commissioning.
Shipping and Packaging Information
- Original factory protective packaging
- Industrial anti-static shipment preparation
- FedEx international logistics
- UPS expedited transportation
- DHL global express delivery
- Professional export packing support
Warranty Support
- 12-month warranty coverage
- Technical support during operation period
- Factory inspection before shipment
- Professional industrial after-sales assistance
Professional FAQ
Why is galvanic isolation important in analog process loops?
Galvanic isolation prevents ground loop interference between field instruments and controllers.
It improves process signal stability significantly.
What advantages does SIL 2 capability provide?
SIL 2 compliance supports higher reliability in safety-critical automation systems.
Many refinery and chemical applications require this safety level.
How should engineers select the correct isolator load range?
Verify transmitter current requirements and receiving device impedance first.
The module supports loads between 100 Ω and 700 Ω.
What installation issue most commonly affects analog accuracy?
Improper shielding and poor grounding frequently create unstable analog readings.
Dedicated grounding practices improve long-term performance.
Which industries benefit most from intrinsically safe isolators?
Oil refining, chemical production, and hazardous gas processing facilities use them extensively.
They protect control systems operating in explosive environments.
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Q: Are these parts 100% original and new?
A: Yes. Every component is guaranteed to be 100% original, brand-new, and factory-sealed. We also provide a 12-month comprehensive warranty for your peace of mind.
Q: How fast is the shipping to my country?
A: For in-stock items, we offer same-day dispatch. International express shipping (DHL/FedEx/UPS) typically delivers within 3–5 business days worldwide.
Q: Can I get a formal quotation with shipping costs?
A: Absolutely. Our sales team is ready to provide a detailed Proforma Invoice (PI) including the most competitive shipping rates for your location.
Q: Do you offer discounts for bulk orders?
A: We provide volume-based pricing for large projects or multiple-item orders. Please contact us to get our Best Price Guarantee.
12-Month Comprehensive Warranty
Every part supplied by Global PLC Spare Hub is covered by a 12-month warranty from the date of invoice.
- Coverage: Functional defects and hardware failures under normal operating conditions.
- Commitment: We provide immediate repair, replacement, or a full refund for any verified defective components to minimize your operational downtime.
Returns & Exchange Policy
We offer a 30-day return policy to ensure you receive the exact part your system requires.
- Eligibility: Returns are accepted for uninstalled items in their original, factory-sealed packaging.
- RMA Process: Please contact our support team to obtain a Return Merchandise Authorization (RMA) number before shipping.
- Fast Processing: Refunds or exchanges are processed within 3–5 business days after the returned item passes our technical inspection.
Need Technical Assistance?Not sure if this part is compatible with your system? [Consult our Engineers] before purchasing to ensure 100% compatibility.
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