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Pepperl+Fuchs KCD2-STC-Ex1 | HART-Transparent Isolated Barrier for 2-Wire Transmitters, 24V DC

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Pepperl+Fuchs KCD2-STC-Ex1 | HART-Transparent Isolated Barrier for 2-Wire Transmitters, 24V DC

Grote Afbeelding : Pepperl+Fuchs KCD2-STC-Ex1 | HART-Transparent Isolated Barrier for 2-Wire Transmitters, 24V DC Beste prijs

Productdetails:

Plaats van herkomst:	Vn
Merknaam:	Pepperl+Fuchs
Certificering:	ATEX
Modelnummer:	KCD2-STC-Ex1
Document:	ACH-AB-P+F-E+H-IFM-ASCO-YOK...WA.pdf

Betalen & Verzenden Algemene voorwaarden:

Min. bestelaantal:	1
Prijs:	Bespreekbaar
Verpakking Details:	Karton
Levertijd:	Bespreekbaar
Betalingscondities:	T/T,XT,ALIPAY
Levering vermogen:	100 stuks per maand

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HART-transparent isolated barrier

2-wire transmitter safety barrier

24V DC isolated barrier

Pepperl+Fuchs KCD2-STC-Ex1 | HART-Transparent Isolated Barrier for 2-Wire Transmitters, 24V DC

Pepperl+Fuchs KCD2-STC-Ex1 isolated barrier for 2-wire 4-20mA HART transmitters. Ex ia/IIC, 24V DC supply, HART passthrough, DIN rail mount, SIL 2/3.

Product Overview

The Pepperl+Fuchs KCD2-STC-Ex1 (Order No. KCD2-STC-Ex1) is a single-channel isolated barrier from the K-System (KCD2) series, designed to power and isolate a 2-wire (loop-powered) 4-20mA HART transmitter installed in a hazardous area (Zone 0/1, Division 1). It provides intrinsic safety (Ex ia) energy limitation to the field side and a HART-transparent 4-20mA analog output to the safe-area control system. The device is SIL 2/3 capable and mounts on a standard 35mm DIN rail.

Technical Specifications (Electrical & Function)

Parameter	Specification
Order Number	KCD2-STC-Ex1
Function	Isolated Barrier for 2-Wire 4-20mA Transmitters (with HART Passthrough)
Supply Voltage (Terminals 7-8)	20 … 30 V DC (Nominal 24 V DC)
Field-Side Output Voltage (Uo)	≤ 28 V DC (Typical 24 V DC to power transmitter)
Field-Side Max. Current (Io)	≤ 93 mA (sufficient for 2-wire Tx + HART)
Field-Side Max. Power (Po)	≤ 0.65 W
Safe-Area Output	4 … 20 mA (Active / Passive — mirrors field current)
HART Transparency	Yes — Full HART FSK Signal Passthrough (No HART filter / blocking)
Galvanic Isolation	3 kV AC (Test) between Input/Output/Supply
Terminals	Screw Clamp (Cage Clamp)

Technical Specifications (Mechanical & Certification)

Parameter	Specification
Mounting	35 mm DIN Rail (EN 60715, Top-hat)
Housing Width	12.5 mm (K-System compact)
Connection Type	Screw Terminals (solid/stranded wire)
Operating Temperature	-20 … +60 °C
Storage Temperature	-40 … +85 °C
Protection Rating	IP20 (Enclosed in Cabinet)
Hazardous Area Approval	ATEX / IECEx: [Ex ia] IIC T4/T6 FM / cCSAus: Class I, Div. 1, Groups A-D
Functional Safety (SIL)	SIL 2 (SIL 3 via Architecture) per IEC 61508 / IEC 61511
Standards	IEC 60079-0, IEC 60079-11, EN 50270 (EMC)

Key Features

HART Protocol Transparency: Passes HART FSK digital communication bidirectionally — enables remote configuration, trim, and diagnostics of smart transmitters without removing the barrier.
Galvanic 3-Way Isolation: Separates hazardous area, safe area, and power supply — protects control system from ground loops and transient surges.
Universal 2-Wire Transmitter Support: Powers any standard 4-20mA loop-powered HART transmitter (pressure, temperature, flow, level) in Ex ia circuits.
Compact DIN Rail Footprint: 12.5 mm width — high-density marshalling in system cabinets.

Applications

Hazardous Area Analog Loops: Connecting 4-20mA HART transmitters (e.g., Endress+Hauser, Yokogawa,) in Zone 1/Division 1 to DCS/PLC analog input cards.
SIS & Process Control: SIL 2/3 capable — suitable for safety-related measurement loops where an isolated barrier is required.
Fieldbus Migration: Retrofit legacy non-smart loops with HART-enabled transmitters — barrier remains in place without rewiring.

Note: For 2-channel version see KCD2-STC-Ex1.2 or KCD2-STC-Ex2 (dual channel). For non-HART / filtered version (blocks digital comms), see KCD2-SD-Ex1.xxx. Always verify Entity Parameters (Uo, Io, Po, Ci, Li) against your transmitter's Ex ia certification before installation.

Pepperl+Fuchs KCD2-STC-Ex1 | HART-Transparent Isolated Barrier for 2-Wire Transmitters, 24V DC 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.

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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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Ahmad Zaid

United Arab Emirates May 15.2026

Het is nuttig. (1)

Accurate and stable ultrasonic sensor for long-range detection.

Priya Mehta

India May 14.2026

Het is nuttig. (1)

Excellent safety barrier, reliable signal driver for hazardous use.

Ahmed Raza

Pakistan May 2.2026

Het is nuttig. (1)

The KFD2-SR2-EX1.W safety barrier performs flawlessly, ensuring reliable protection in our plant’s hazardous zones. 再生成一条关于Pepperl+Fuchs的KFD2-SR2-EX1.W本安隔离栅的英文评价推荐一些不同风格的关于Pepperl+Fuchs的KFD2-SR2-EX1.W本安隔离栅的英文评价如何用英文评价突出Pepperl+Fuchs的KFD2-SR2-EX1.W本安隔离栅的特点？

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