Specifications
Length :
63.5 mm
Model Number :
kfd2-sr2-ex2.w
Tightening Torque :
0.6 Nm
Interface Type :
RS-485 , 2-wire multidrop
Output Polarity :
DC
Linearity Error :
0.1 %
Place of Origin :
Singapore
Brand Name :
Pepperl + Fuchs
MOQ :
1
Construction Type :
M12
Target Size :
0.3 mm
Output Current :
4-20 mA
Payment Terms :
D/A
Switching Frequency :
≤ 10 Hz
Description

p&f kfd2 sr2 ex2 w Isolated Switch Amplifier Barrier


Product Details:

Manufacturer : Pepperl + Fuchs

Product No. : kfd2-sr2-ex2.w

https://www.achievers-automation.com More Products


Reliable Industrial Component Sourcing for Enterprises

This industrial automation component is supplied for enterprise procurement .Made-to-order and forward delivery are supported, with pricing quoted per inquiry.

To reduce sourcing risk, each order is handled individually with support for model confirmation, condition clarification, and lead time estimation before order placement. Clear quotation terms and consistent communication are provided to help partners manage expectations and complete transactions with confidence. Additional verification or clarification is available when required, supporting professional procurement and long-term cooperation.


This safety barrier provides complete galvanic separation between hazardous field-side sensor circuits and safe-side control cabinet PLC systems, eliminating ground loop interference and preventing dangerous energy transfer into explosive atmosphere equipment. Each independent channel processes standard NAMUR sensor input signals, converting low-level field switching signals into robust contact output signals for PLC digital input modules. Integrated wire-break and short-circuit fault monitoring delivers collective fault signaling via a dedicated relay contact for central cabinet diagnostic systems.

Detail:

Parameter Item Standard Specification of Pepperl+Fuchs KFD2-SR2-EX2.W (p&f kfd2 sr2 ex2 w)
Brand Pepperl+Fuchs (P&F)
Full Official Model Code KFD2-SR2-EX2.W
Short Industry Search Alias p&f kfd2 sr2 ex2 w
Product Series KFD Modular Intrinsic Safety Isolator Barrier
Independent Signal Channels 2 x NAMUR input channels
Supported Input Signal Standard NAMUR EN 60947-5-6 proximity sensor signals
Supply Input Voltage Range 20 V DC ~ 30 V DC (Nominal 24 V DC)
Typical Operating Current Draw ≤ 60 mA @ 24 V DC rated input
Galvanic Isolation Test Voltage (Field ↔ Control Side) 2500 V AC
Intrinsic Safety Classification Ex ia IIC (Gas), Ex ia D (Dust)
Approved Hazardous Classified Zones Gas Zone 0, Zone 1; Dust Zone 20, Zone 21
Onboard Diagnostic Functions Per-channel wire break detection + field short-circuit monitoring
Fault Signal Output Potential-free collective fault relay contact (NO / NC configurable)
Control Side Output Type Passive transistor switch outputs for PLC digital input modules
Terminal Connection Type Anti-loose screw clamp wiring terminals
Acceptable Wire Cross Section 0.5 mm² ~ 1.5 mm² solid / stranded copper wire
Standard Mounting Format 35 mm EN Top-Hat DIN Rail
Ambient Continuous Operating Temperature -20 ℃ ~ +60 ℃
Storage & Transport Temperature Range -40 ℃ ~ +85 ℃
Vibration Resistance Standard IEC 60068-2-6, 10–150 Hz, 1 mm amplitude
Mechanical Shock Resistance Standard IEC 60068-2-27, 30 g peak acceleration
Enclosure Ingress Protection Rating IP20 (indoor non-hazardous cabinet installation only)
Total Net Unit Weight 110 g
Global Safety Compliance Certifications ATEX, IECEx, UL, CSA, GL Marine, RoHS Compliant


Component Name Raw Material Grade Functional Description for KFD2-SR2-EX2.W (p&f kfd2 sr2 ex2 w)
Main DIN Rail Enclosure Housing Flame-Retardant PA66 Plastic (UL94 V0) Low-profile compact cabinet housing, high dielectric insulation, integrated spring steel DIN rail snap lock
Input / Output Terminal Block Insulators Glass-Filled PBT High-Temp Insulating Plastic Separated terminal chambers to physically isolate hazardous field wiring and safe control wiring circuits
Terminal Conductive Clamp Contacts Nickel-Plated Copper Alloy Anti-oxidation low-resistance clamping structure, vibration-resistant anti-loosening screw lock design
Galvanic Isolation Signal Transformer Laminated Silicon Steel Core + Epoxy Full Encapsulation High-voltage isolation core that blocks cross-circuit noise and dangerous energy transfer to hazardous zones
Collective Fault Monitoring Micro Relay Silver Alloy Contact Coil Relay Potential-free fault signal output for remote cabinet diagnostic alarm and PLC status feedback
Internal Signal Conditioning PCB Board High-Tg FR4 Flame-Retardant Printed Circuit Board Dual independent NAMUR amplifier channels, dedicated wire-break fault detection logic circuits
Intrinsic Safety Energy Limiting Components High-Stability Metal Oxide Film Resistors Precision current/voltage limiting components to maintain Ex ia intrinsic safety classification
Internal Circuit Potting Compound Silicone-Free Epoxy Resin Encapsulant Full encapsulation for vibration, dust and moisture protection of critical isolation safety circuits
DIN Rail Quick Mount Snap Clip Tempered Spring Galvanized Carbon Steel Fast snap-on rail installation, anti-slip lock for high-vibration industrial cabinet environments
Transparent Terminal Safety Cover PP Polypropylene Plastic Physical touch barrier to prevent accidental contact with live wiring terminals during maintenance


Pepperl+Fuchs kfd2-sr2-ex2.w  Isolated Switch Amplifier Barrier

Brand

Pepperl+Fuchs kfd2-sr2-ex2.w  Isolated Switch Amplifier Barrier

Pepperl+Fuchs Automation is our world. Perfect application solutions are our goal.

In 1945, against the backdrop of a war - torn world, Walter Pepperl and Ludwig Fuchs, driven by a strong sense of inventiveness, entrepreneurial foresight, and a deep - seated belief in self - reliance, established a humble radio workshop in Mannheim, Germany.
Their journey was filled with hands - on exploration. As they worked on various radio - related projects, the experiences they amassed became the fertile ground for new and innovative concepts. They took great pleasure in delving into the needs of their customers, constantly striving to develop products that could meet and exceed expectations.

Pepperl+Fuchs kfd2-sr2-ex2.w  Isolated Switch Amplifier Barrier
Achievers Automation Limited has more than 10 years experience in the market of Industrial Automation, specialized in reselling factory sealed Probe, Sensor, DCS,isolator barrier, HMI, PLC,Adapter,Profibus connector and cable from Brands as BENTLY NEVADA, E+H, MTL, AB, Pepperl+Fuchs, YOKOGAWA, ASCO, Schneider, Lenze, Pro-face, Mitsubishi, Omron, Lenze, Delta, IFM etc. If you have any request, please do not hesitate to contact us.

Pepperl+Fuchs kfd2-sr2-ex2.w  Isolated Switch Amplifier Barrier

Below are the TOP BRANDS we handle in the past 14 years:

Pepperl+Fuchs kfd2-sr2-ex2.w  Isolated Switch Amplifier Barrier


FAQ of Achievers

Q:Are the Products Genuine OEM Units?

A: These items have been certified by Achievers Automation Limited to be genuine OEM Units obtained through OEM or independent third-party channels.

Q:How will you arrange shipment?

A: We can arrange shipment based on your request. We have cooperated forwader who can arrange shipment via FedEx, DHL,TNT with good price.

Q:What is the warranty of goods?

A: One-year Warranty.

Send your message to this supplier
Send Now

Pepperl+Fuchs kfd2-sr2-ex2.w Isolated Switch Amplifier Barrier

Ask Latest Price
Length :
63.5 mm
Model Number :
kfd2-sr2-ex2.w
Tightening Torque :
0.6 Nm
Interface Type :
RS-485 , 2-wire multidrop
Output Polarity :
DC
Linearity Error :
0.1 %
Contact Supplier
Pepperl+Fuchs kfd2-sr2-ex2.w  Isolated Switch Amplifier Barrier
Pepperl+Fuchs kfd2-sr2-ex2.w  Isolated Switch Amplifier Barrier

Achievers Automation Limited

Verified Supplier
3 Years
hong kong
Since 2012
Business Type :
Distributor/Wholesaler, Trading Company
Total Annual :
3000000-5000000
Employee Number :
10~15
Certification Level :
Verified Supplier
Contact Supplier
Submit Requirement