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Pepperl+Fuchs KFD2-SRA-Ex4 Switch Amplifier / 190176

Pepperl+Fuchs KFD2-SRA-Ex4 Switch Amplifier / 190176

✔ IN STOCK ✔ New Original

Delivery time: Shipped in 3 days after payment
Condition: Brand New & Original PEPPERL+FUCHS Factory Sealed
Warranty: 12 Months Standard Warranty
Quality Guarantee: 30-Day Return and Exchange Policy

Part Number	KFD2-SRA-Ex4
Product Type	Switch Amplifier
Product Origin	Germany
Shipping Port	Xiamen
Weight	0.41lbs

Brand :
PEPPERL+FUCHS

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Product Details

The KFD2-SRA-Ex4 is a 4-channel safety isolation barrier (switching amplifier) from Pepperl+Fuchs (P+F).

It is primarily used in industrial control and instrumentation technology to isolate field signals from hazardous areas (such as flammable and explosive environments) and safely transmit them to control and instrumentation systems (such as DCS or PLCs) in safe areas.

100% Original & Authentic In-Stock & Fast Shipping Expert Technical Support 12-Month Warranty

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Core Features

✓ Signal Isolation and Transmission: Receives signals from NAMUR type sensors or mechanical switches in hazardous areas, converts them into safe relay output signals through internal isolation, and transmits them to the control system.
✓ Line Fault Detection (LFD): Possesses powerful field line monitoring capabilities, automatically detecting open circuits (line disconnections) or short circuits in signal lines, ensuring the safety of system operation.
✓ Explosion-proof Safety: The equipment features intrinsically safe circuitry, complying with multiple international explosion-proof certifications (such as ATEX, IECEx, etc.), ensuring safety in hazardous environments.

Technical Specifications

Brand	Pepperl+Fuchs
Model / Part Number	KFD2-SRA-Ex4
Material Number (MNR)	190176
Rated Voltage	19 ... 30 V DC
Rated Current	45 ... 70 mA
Power Consumption	Approx. 1.2 W
Ripple	≤ 10%
Switching Frequency	≤ 10 Hz (non-AC operation); ≤ 3 Hz (AC operation)
Isolation	Input, output, and power supply terminals are mutually isolated (reinforced insulation)
Rated Insulation Voltage	300 Veff (compliant with IEC/EN 61010-1 standard)

Frequently Asked Questions

Q: What are the main application scenarios for KFD2-SRA-Ex4?

A: The KFD2-SRA-Ex4, with its 4-channel high-density design, flexible wiring options, and reliable line fault detection capabilities, is primarily used in industrial automation applications where safety and space utilization are paramount. Here are some of its core application scenarios: petroleum, chemical, and hazardous industrial environments; space-constrained or aging project renovations; automated production lines and equipment status monitoring.

Q: What are some common faults of this product and how to troubleshoot them?

A: The KFD2-SRA-Ex4 is a highly reliable safety barrier, but occasional abnormal situations may occur in actual industrial settings. Before performing any wiring checks or maintenance, please always adhere to the industrial site's safety operating procedures. Because this device involves signal connections between hazardous areas (Ex i) and safe areas, please confirm the relevant explosion-proof area safety regulations before operation to avoid unauthorized operation while the equipment is energized.

Q: Maintenance Recommendations for Extending the Service Life of KFD2-SRA-Ex4

A: The KFD2-SRA-Ex4 is an intrinsically safe associated device; unauthorized repair or disassembly is strictly prohibited. If, after long-term service, frequent false alarms occur in the Line Fault Detector (LFD), relays become sluggish, or indicator lights malfunction, it is recommended to replace the entire device to ensure absolute safety and reliability of signal transmission in hazardous areas.

Why Partner With Us?

2016

Established in

300+

Countries Sold

200+

Employees

4000+

Companies Served

100% Original

Genuine spare parts through rigorous supply chain control.

Quick Shipping

Expedited delivery through our global logistics network.

24/7 Support

Uninterrupted technical assistance for system installation.

Large Stock

Immediate availability from our massive control systems inventory.

Hot Tags :

Pepperl+Fuchs KFD2-SRA-Ex4

190176

Switch Amplifier

4-channel safety barrier

KFD2-SRA-Ex4

Three-terminal isolation

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Xiamen Weiranxin Trading Co., Ltd. has been engaged in the field of industrial automation components since 2016. We mainly supply automation components to heavy industry manufacturers around the world.

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