KCD2-SR-Ex2 Pepperl+Fuchs Switch Amplifier | SIL2 Isolated Barrier Module
Manufacturer: Pepperl+Fuchs
Product No.: KCD2-SR-Ex2
Condition： In stock
Product Type: Isolated Barrier Module
Product Origin: USA
Payment: T/T, Western Union
Weight: 125g
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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KCD2-SR-Ex2 Pepperl+Fuchs Switch Amplifier
KCD2-SR-Ex2 is a compact 2-channel isolated barrier engineered for hazardous area signal transfer and relay switching applications.
The module supports NAMUR sensors and dry contact inputs. It delivers galvanic isolation between field instrumentation and control-side equipment.
Its ultra-slim 12.5 mm housing optimizes cabinet space utilization in high-density automation panels. The architecture supports SIL 2 functional safety systems according to IEC/EN 61508.
This model targets process automation environments requiring stable switching performance and intrinsic safety integration.
Device Architecture Snapshot
| Model Reference | KCD2-SR-Ex2 |
| Manufacturer | Pepperl+Fuchs |
| Module Type | 2-Channel Isolated Switch Amplifier |
| Input Compatibility | NAMUR sensors and dry contacts |
| Output Type | Relay contact outputs |
| Safety Classification | SIL 2 |
Signal Processing Characteristics
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Power Parameters
- Operating supply range: 19 to 30 V DC
- Maximum ripple: ≤10%
- Rated current: ≤30 mA
- Power consumption: ≤600 mW
- Low thermal dissipation supports dense cabinet layouts
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Input Interface Performance
- Designed according to EN 60947-5-6 NAMUR standards
- Open circuit voltage approximately 10 V DC
- Short-circuit current approximately 8 mA
- Switching threshold range: 1.2 to 2.1 mA
- Integrated line fault detection functionality
- Detects open loop and short-circuit conditions
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Relay Output Capability
- Dual relay output channels available
- Maximum AC load: 253 V AC / 2 A
- Maximum DC resistive load: 30 V DC / 2 A
- Minimum switching current: 2 mA at 24 V DC
- Switching response delay below 20 ms
- Mechanical life reaches 10⁷ switching cycles
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Isolation and Protection
- 300 V reinforced insulation across interfaces
- 375 V peak safe electrical isolation capability
- Designed according to IEC/EN 60079-11
- Stable isolation performance in industrial process systems
Hazardous Area Compliance Matrix
| Approval Standard | Certification Details |
| ATEX | 1 II (1)G [Ex ia Ga] IIC |
| Dust Hazard Approval | 1 II (1)D [Ex ia Da] IIIC |
| Mining Approval | 1 I (M1) [Ex ia Ma] I |
| IECEx | IECEx BAS 06.0025 |
| FM / UL | cFMus and cULus approved |
Global PLC Spare HUB's Insight
KCD2-SR-Ex2 performs especially well in compact hazardous area interface cabinets where channel density matters.
Its narrow housing profile helps engineers reduce cabinet footprint without sacrificing isolation performance. The integrated fault detection simplifies maintenance diagnostics during plant operation.
This amplifier is widely deployed in refinery instrumentation loops, burner management systems, and remote field signal interfaces. The relay outputs provide flexible integration with PLC and DCS architectures.
Compared with traditional relay isolators, this model delivers stronger hazardous area adaptability and improved diagnostic transparency.
Recommended Equipment Integration
- NAMUR proximity sensors
- Distributed control systems
- PLC digital input modules
- Emergency shutdown systems
- Gas detection monitoring platforms
- Remote field junction cabinets
- Process automation skids
- Industrial burner management systems
Industrial Application Coverage
- Intrinsic safety signal transfer
- Hazardous zone digital switching
- Field contact isolation
- Relay interface expansion
- Process interlocking systems
- Critical alarm signaling applications
- Industrial automation retrofit projects
Diagnostic and Maintenance Capability
- Line break identification support
- Short-circuit monitoring capability
- Relay status indication through LEDs
- Front labeling simplifies troubleshooting
- DIP switch configuration accelerates commissioning
- Supports predictive maintenance planning
Mechanical and Environmental Profile
- Housing dimensions: 12.5 × 119 × 114 mm
- Weight: approximately 100 g
- Protection class: IP20
- Operating temperature: -20°C to +60°C
- DIN rail mounting according to EN 60715
- Screw terminal wiring structure
Shipping and Warranty Support
- Factory original industrial packaging
- 12-month warranty coverage
- Fast order dispatch within 24–48 hours
- Worldwide logistics support available
- Courier services via FedEx, UPS, and DHL
- Protective export packaging included
Professional Technical FAQ
-
Why is a slim-width barrier useful in modern control cabinets?
Narrow modules increase channel density and improve space efficiency in compact automation panels.
-
What advantage does relay isolation provide for PLC systems?
Relay isolation protects control electronics from field-side electrical disturbances and voltage transients.
-
How can engineers improve long-term relay reliability?
Avoid exceeding rated loads and separate inductive loads from sensitive signal circuits.
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Which applications benefit most from line fault detection?
Remote sensor installations and hazardous area field devices benefit from continuous loop supervision.
-
What selection factor matters most for hazardous area barriers?
Verify certification compatibility, signal type, relay load requirements, and cabinet space limitations first.
Tags
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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