Products

PEPPERL+FUCHS Switch Amplifier KFD2-SH-Ex1.T  Intrinsic Safety Barriers Isolated Barriers K-System 

Switch Amplifier KFD2-SH-Ex1.T

1-channel isolated barrier

24 V DC supply

Input for approved dry contacts or SN/S1N sensors

Active voltage output

Relay contact output

Fault indication output

Line fault detection (LFD)

Up to SIL 3 acc. to IEC 61508

Up to PL d acc. to EN/ISO 13849

Function:

This isolated barrier is used for intrinsic safety applications. The device transfers digital signals 

(SN/S1N proximity sensors or approved dry contacts) from a hazardous area to a safe area. 

The input controls one active voltage output and one relay contact output with a NO contact. 

Unlike an SN/S1N series proximity sensor, a mechanical contact requires a 10 kolihm resistor to be placed 

across the contact in addition to a 1.5 kolihm resistor in series. 

Lead breakage (LB) and short circuit (SC) conditions of the control circuit are continuously monitored. 

During an fault condition, the fault indication output and the outputs I and II de-energize. For safety applications up to SIL3, 

output I must be used. For safety applications up to SIL2, output I and output II can be used.

Selection models:

KCD2-SR-Ex1.LB                                      KCD2-SR-Ex2                                KFA6-DU-Ex1.D

KFA6-ER-Ex1.W.LB                                  KFA6-SOT2-Ex2                             KFA6-SR2-Ex1.W

KFA6-SR2-Ex1.W.LB                                KFA6-SR2-Ex2.W                           KFA6-SR2-Ex2.W.IR

KFD2-DU-Ex1.D

KFD2-ELD-Ex16                                       KFD2-ER-Ex1.W.LB                         KFD2-SH-Ex1

KFD2-SH-Ex1.T.OP                                  KFD2-SOT3-Ex1.LB                         KFD2-SOT3-Ex1.LB.IO

KFD2-SOT3-Ex2                                       KFD2-SOT3-Ex2.IO                         KFD2-SR2-Ex1.W

KFD2-SR2-Ex1.W.LB

KFD2-SR2-Ex2.W                                    KFD2-SR3-Ex2.2S                           KFD2-SRA-Ex4

KFD2-ST3-Ex1.LB                                   KFD2-ST3-Ex2                                 KHA6-SH-Ex1

KCD2-SON-Ex1                                       KCD2-SOT-Ex1.LB                           KCD2-SOT-Ex2

KCD2-SOT-Ex2.SP

KCD2-SR-Ex1.LB.SP                               KCD2-SR-Ex2.SP                             KCD2-ST-Ex1.LB

KCD2-ST-Ex2                                          KFA5-SOT2-Ex2                               KFA5-SR2-Ex1.W

KFA5-SR2-Ex1.W.LB                               KFA5-SR2-Ex2.W                             KFA5-SR2-Ex2.W.IR

KFD2-SH-Ex1.T

KFD2-SOT3-Ex2.IO-Y1                          KCD2-SON-Ex1.R1                         KCD2-SON-Ex1.SP

KCD2-SON-Ex2                                      KCD2-SON-Ex2.R1                         KCD2-SON-Ex2.SP

KCD2-SOT-Ex1.LB.SP                           KCD2-ST-Ex1.LB.SP                        KCD2-ST-Ex2.SP

KFA4-SR2-Ex2.W