Serviceline Industrial Sensors
Serviceline Explosion Protection

Switch Amplifier HiC2841

  • 1-channel isolated barrier
  • 24 V DC supply (bus powered)
  • Dry contact or NAMUR input
  • Usable as signal splitter (1 input and 2 outputs)
  • 2 passive transistor outputs
  • Line fault detection (LFD)
  • Reversible mode of operation
  • SIL 2 (SC 3) acc. to IEC/EN 61508

Please note: All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

Download the complete datasheet as a PDF:

Datasheet excerpt: Technical data of  HiC2841

General specifications
Signal typeDigital Input
Functional safety related parameters
Safety Integrity Level (SIL)SIL 2
Systematic capability (SC)SC 3
ConnectionSL1: 1a(-), 1b(-); 2a(+), 2b(+)
Rated voltage19 ... 30 V DC bus powered via Termination Board
Ripple≤ 10 %
Rated current≤ 25 mA
Power dissipation≤ 500 mW
Power consumption≤ 600 mW
Connection sidefield side
ConnectionSL2: 5a(+), 5b(-)
Rated valuesacc. to EN 60947-5-6 (NAMUR), see manual for electrical data
Open circuit voltage/short-circuit currentapprox. 10 V DC / approx. 8 mA
Switching point/switching hysteresis1.2 ... 2.1 mA / approx. 0.2 mA
Line fault detectionbreakage I ≤ 0.1 mA , short-circuit I ≥ 6.5 mA
Pulse/Pause ratiomin. 100 µs / min. 100 µs
Connection sidecontrol side
ConnectionSL1: 8a(+), 7a(-); 10a(+), 9a(-)
Rated voltage30 V DC
Rated current50 mA
Response time≤ 200 µs
Signal level1-signal: (external voltage) - 1 V max. for 50 mA (Tamb = 25 °C (77 °F))
0-signal: blocked output (off-state current ≤ 10 µA)
Output Isignal ; Transistor
Output IIsignal or error message ; Transistor
Fault indication output
ConnectionSL1: 6b
Output typeopen collector transistor (internal fault bus)
Transfer characteristics
Switching frequency≤ 5 kHz
Galvanic isolation
Output/power supplybasic insulation acc. to EN 50178, rated insulation voltage of 50 V AC
Output/Outputbasic insulation acc. to EN 50178, rated insulation voltage of 50 V AC
Display elementsLEDs
Control elementsDIP-switch
Configurationvia DIP switches
Labelingspace for labeling at the front
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Galvanic isolationEN 50178:1997
Electromagnetic compatibilityNE 21:2006
For further information see system description.
Degree of protectionIEC 60529
Protection against electrical shockIEC 61140
Ambient conditions
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Relative humidity≤ 90 % , non-condensing
Mechanical specifications
Degree of protectionIP20
Massapprox. 100 g
Dimensions12.5 x 128 x 106 mm (0.5 x 5.1 x 4.2 inch)
Mountingon Termination Board
Codingpin 1 and 2 trimmed
For further information see system description.
Data for application in connection with hazardous areas
EU-type examination certificateBVS 09 ATEX E 157
MarkingEx-Hexagon II (1)GD [Ex ia] IIC, [Ex iaD] [circuit(s) in zone 0/1/2/20/21/22]
Ex-Hexagon I (M1) [Ex ia] I
InputEx ia, Ex iaD
Voltage10.5 V
Current17.1 mA
Power45 mW (linear characteristic)
Maximum safe voltage253 V AC (Attention! Um is no rated voltage.)
Maximum safe voltage253 V AC (Attention! The rated voltage can be lower.)
Galvanic isolation
Input/Outputsafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Input/power supplysafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Directive conformity
Directive 2014/34/EUEN 60079-0:2012+A11:2013 , EN 60079-11:2012 , EN 50303:2000
International approvals
UL approval
Control drawing116-0331
IECEx approval
IECEx certificateIECEx BVS 09.0060
IECEx marking[Ex ia Ga] IIC, [Ex ia] I , [Ex iaD]
General information
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see


ECLASS 11.027210121
ECLASS 10.0.127210121
ECLASS 9.027210121
ECLASS 8.027210121
ECLASS 5.127210121
ETIM 8.0EC001485
ETIM 7.0EC001485
ETIM 6.0EC001485
ETIM 5.0EC001485
UNSPSC 12.132101514

Documents: HiC2841

ManualsLanguageFile TypeFile Size
Functional Safety ManualENGPDF1976 KB
Manual H-System Isolated Barriers and Termination BoardsENGPDF5551 KB
Handbuch Funktionale SicherheitGERPDF1988 KB
Handbuch Trennbarrieren und Termination Boards H-SystemGERPDF5543 KB
Instruction manuals
ИнструкцииBULPDF59 KB
Návod k poużitíCZEPDF56 KB
Instruktions manualDANPDF54 KB
Instruction manualENGPDF47 KB
KasutusjuhendESTPDF52 KB
KäyttöohjeFINPDF52 KB
Manuel d'instructionsFRAPDF88 KB
BetriebsanleitungGERPDF49 KB
Οδηγίες χρήσηςGREPDF63 KB
HandleidingHOLPDF64 KB
Instruction manual / BetriebsanleitungHRVPDF54 KB
Használati útmutatóHUNPDF64 KB
Manuale di istruzioniITAPDF87 KB
Lietošanas pamācībaLAVPDF64 KB
Instrukciju vadovasLITPDF63 KB
Instrukcja obsługiPOLPDF66 KB
Manual de instruçõesPORPDF65 KB
Manual de utilizareRONPDF64 KB
Návod na poużitieSLKPDF125 KB
Manual de instruccionesSPAPDF87 KB

Approvals+Certificates: HiC2841

Statements of complianceCertificate No.File TypeFile Size
EU- Declaration of conformity / EU- KonformitätserklärungDOC-0929CPDF89 KB
BVS IECEx Certificate of ConformityIECEx BVS 09.0060LINK---
Canada UL cULE106378 cUL (QUZW8)LINK---
Canada UL cULE106378 cUL (QVAJ8)LINK---
China NEPSIGYJ 18.1356PDF1921 KB
China SITIIAS CCC Ex Certificate2020322316001424 (Singapore)PDF1203 KB
EAC Pepperl+Fuchs EAC TP TC 020/2011EAEC N RU D-DE.PA01.B.95500/21PDF748 KB
Europe DEKRA EXAM Group I (M1) ATEX Category (1) GDBVS 09 ATEX E 157PDF895 KB
Russia Belarus Kazakhstan EAC EAC TP TC 012/2011EAEC RU C-DE.EX01.B.00102/19PDF9815 KB
USA Canada UL Hazardous Location Certificate of Compliance cULus UL E106378CoC 20160210 - E106378 RepRef 20111027PDF405 KB
exida Functional Safety AssessmentP+F 09/05-5R1C R011 V1R0PDF370 KB
Control drawings
Control Drawing UL / Control Drawing UL   PDF100 KB

Function: HiC2841

This isolated barrier is used for intrinsic safety applications. It transfers digital signals (NAMUR sensors/mechanical contacts) from a hazardous area to a safe area.

The proximity sensor or switch controls two passive transistors for the safe area load. Both transistor outputs are isolated from each other and isolated from the power supply. The mode of operation can be reversed using switch S1. Switch S3 allows output II to be switched between a signal output and an error message output. Switch S2 enables or disables line fault detection of the field circuit.

During an error condition, the transistors revert to their de-energized state and LEDs indicate the fault according to NAMUR NE44. A separate output bus is available. The fault conditions can be monitored via a Fault Indication Board.

This module mounts on a HiC Termination Board.