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Home Products Pepperl Fuchs Safety Barrier

Pepperl+Fuchs KFD2-SR2-Ex1.W.LB Isolator | 2-Channel, 4-20mA, Relay, 24V DC, Hazardous Area

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"ACH has proven to be a reliable partner. Their products are genuine and high-quality, with competitive prices and on-time delivery. We trust them as our long-term supplier in automation."

—— Mohammed Al-Farsi, Procurement

"For us, cost efficiency and authenticity are key. ACH helps reduce expenses while ensuring reliable quality and timely supply, making them a strong partner in our operations."

—— Procurement Manager

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Pepperl+Fuchs KFD2-SR2-Ex1.W.LB Isolator | 2-Channel, 4-20mA, Relay, 24V DC, Hazardous Area

Large Image : Pepperl+Fuchs KFD2-SR2-Ex1.W.LB Isolator | 2-Channel, 4-20mA, Relay, 24V DC, Hazardous Area Get Best Price

Product Details:

Place of Origin:	SG
Brand Name:	PEPPERL+FUCHS
Certification:	ATEX
Model Number:	KFD2-SR2-EX1.W.LB
Document:	ACH-AB-P+F-E+H-IFM-ASCO-YOK...WA.pdf

Payment & Shipping Terms:

Minimum Order Quantity:	1
Price:	Negotiable
Packaging Details:	carton
Delivery Time:	Negotiable
Payment Terms:	T/T,XT,ALIPAY
Supply Ability:	100pcs per month

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Detailed Product Description

Power Supply:	1	Ambient Temperature:	-
Electrical Rating:	G	Certifications:	S

Pepperl+Fuchs KFD2-SR2-Ex1.W.LB Isolator | 2-Channel, 4-20mA, Relay, 24V DC, Hazardous Area

Pepperl+Fuchs KFD2-SR2-Ex1.W.LB isolator specifications. 2-channel, 4-20mA to relay, 24V DC, DIN rail, for hazardous areas.

Product Overview

The Pepperl+Fuchs KFD2-SR2-Ex1.W.LB is a 2-channel isolating signal conditioner designed for use in hazardous areas. It accepts two 4-20mA input signals from field devices and converts each into a relay output. Operating on 24V DC, it provides galvanic isolation between the field (Ex i) and safe-area circuits, enabling alarm generation or logic control. Its DIN rail mountable design makes it a compact solution for panel integration in process control systems.

Technical Specifications (Isolator)

Parameter	Specification
Manufacturer	Pepperl+Fuchs GmbH
Series	KFD2 (Modular Signal Conditioners)
Model	KFD2-SR2-Ex1.W.LB
Product Type	2-Channel Isolator (4-20mA to Relay)
Input Channels	2, 4-20mA (2-wire transmitter)
Outputs per Channel	1 SPDT relay (electromechanical)
Relay Function	Programmable (threshold, window)
Isolation	3-way (input, output, supply)
Hazardous Area Approval	Ex i (intrinsically safe) input

Technical Specifications (Electrical/Mechanical)

Parameter	Specification
Supply Voltage	24V DC (20.4-28.8V DC)
Power Consumption	Typically ≤ 2.5W
Input Voltage Drop	≤ 8.5V per channel
Relay Contact Rating	250V AC, 2A (resistive)
Switching Delay	Configurable (e.g., 0.1-10s)
Connection	Screw terminals
Mounting	DIN Rail 35 mm
Housing Material	Plastic (PBT)
Operating Temperature	-20 to 60°C (-4 to 140°F)
Certifications	ATEX, IECEx, cULus, CE

Key Features

Dual-Channel Design: Saves space by handling two signals in one module
Relay Outputs: Enable direct switching of alarms, indicators, or contactors
Hazardous Area Interface: Connects intrinsically safe (Ex i) field circuits to safe area
Programmable Switching Points: Configurable high/low limits or window function per channel
Galvanic Isolation: Protects control system from field-side disturbances
Compact DIN Rail Mounting: Efficient use of control panel space
LED Status Indicators: Per channel for power, input, and relay state
Wide Range Certifications: Approved for global use in explosive atmospheres

Applications

Generating dual alarm contacts from 4-20mA process signals (e.g., pressure, level)
Interfacing field transmitters in hazardous areas with PLC control systems
Safety interlocking based on analog process values
General signal conditioning and isolation in process industries (oil & gas, chemical)

Pepperl+Fuchs KFD2-SR2-Ex1.W.LB Isolator | 2-Channel, 4-20mA, Relay, 24V DC, Hazardous Area 0

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About ACH

Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.

Frequently Ask & Questions

Are preferential prices available?

Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.

Are the Products Genuine OEM Units?

Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.

How will you arrange shipment?

We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.

What is the warranty of goods?

One-year Warranty.

How long is the logistics cycle of the product?

Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.

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