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Pepperl Fuchs HiC2851 – Switch Amplifier

MPN: HiC2851 · Brand: Pepperl Fuchs

Price on request

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12-month warranty (new) · 3-month (used/refurbished)

30-day returns, no restocking fee on unused parts

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Quick facts

Availability	Confirmed on request
Category	Inductive Sensors
Lifecycle	Active
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

When can HiC2851 be shipped?

HiC2851 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up HiC2851 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for HiC2851 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for HiC2851, subject to availability and destination.

• 1-channel isolated barrier

• 24 V DC supply (bus powered)

• Input for approved dry contacts or SN/S1N sensors

• Usable as signal splitter (1 input and 2 outputs)

• Active voltage output

• Passive transistor output (resistive acc. to EN 60947-5-6)

• Line fault detection (LFD)

• Line fault transparency (LFT)

• Up to SIL 3 acc. to IEC/EN 61508

1-channel isolated barrier, 24 V DC supply (bus powered), Input for approved dry contacts or SN/S1N sensors, Usable as signal splitter (1 input and 2 outputs), Active voltage output, Passive transistor output (resistive acc. to EN 60947-5-6), Line fault detection (LFD), Line fault transparency (LFT), Up to SIL 3 acc. to IEC/EN 61508, Housing width: 12.5 mm, Number of channels: 1-channel, Line fault transparency, Safety Integrity Level (SIL): SIL 3, Systematic capability (SC): SC 3

Specifications

General specifications

Order code (Pepperl+Fuchs part number)	257611
Signal type	Digital Input
Lifecycle	Active (current Pepperl+Fuchs product)

Functional safety related parameters

Safety Integrity Level (SIL)	SIL 3
Systematic capability (SC)	SC 3

Supply

Connection	SL1: 1a(-), 1b(-); 2a(+), 2b(+)
Rated voltage	19 ... 30 V DC bus powered via Termination Board Ur
Ripple	≤ 10 %
Rated current	≤ 55 mA Ir
Power dissipation	≤ 800 mW
Power consumption	≤ 1300 mW

Input

Connection side	field side
Connection	SL2: 5a(+), 5b(-)
Open circuit voltage/short-circuit current	approx. 8.4 V DC / approx. 11.9 mA
Switching point/switching hysteresis	2.1 ... 2.8 mA / approx. 0.3 mA
Line fault detection	breakage I ≤ 0.15 mA , short-circuit I ≥ 8.5 mA
Lead resistance	max. 50 Ω , consider capacitances and inductances
Switching point	1-signal: I > 2.8 mA 0-signal: I < 2.1 mA
Response delay	≤ 1 ms

Output

Connection side	control side
Connection	SL1: 8a(+), 7a(-); 10a(+), 9a(-)
Rated voltage	output II: typ. 8 V DC, max. 22 V DC Ur
Output I	active voltage output, short-circuit proof 0-signal: 0 V 1-signal: 20 ... 31 V DC at max. 15 mA fault: 0 V
Output II	passive transistor output (resistive) 0-signal: 14 kΩ ± 10 % 1-signal: 1.8 kΩ ± 10 % fault: > 100 kΩ

Fault indication output

Connection	SL1: 6b
Output type	open collector transistor (internal fault bus)

Transfer characteristics

Switching frequency: Output I	≤ 50 Hz
Switching frequency: Output II	≤ 50 Hz

Galvanic isolation

Output/power supply	functional insulation acc. to IEC 62103, rated insulation voltage 50 Veff
Output/Output	functional insulation acc. to IEC 62103, rated insulation voltage 50 Veff

Indicators/settings

Display elements	LEDs
Labeling	space for labeling at the front

Directive conformity

Electromagnetic compatibility: Directive 2014/30/EU

EN 61326-1:2013 (industrial locations)

Conformity

Electromagnetic compatibility	EN IEC 61326-3-2:2018 , NE 21:2017 For further information see system description.
Degree of protection	IEC 60529:2001

Ambient conditions

Ambient temperature

-20 ... 60 °C (-4 ... 140 °F)

Mechanical specifications

Degree of protection	IP20
Mass	approx. 105 g
Dimensions	12.5 x 106 x 128 mm (0.5 x 4.2 x 5.1 inch) (W x H x D)
Height	106 mm
Width	12.5 mm
Depth	128 mm
Mounting	on termination board
Coding	pin 1 and 2 trimmed For further information see system description.

Data for application in connection with hazardous areas

EU-type examination certificate	BASEEFA 07 ATEX 0302X
Marking	II (1)G [Ex ia] IIC , [exsign] II (1) D [Ex ia] IIIC , [exsign] I (M1) [Ex ia] I
Input	Ex ia
Voltage	10.5 V Uo
Current	17.1 mA Io
Power	45 mW (linear characteristic) Po
Supply: Maximum safe voltage	253 V AC (Attention! Um is no rated voltage.) Um
Output: Maximum safe voltage	253 V AC (Attention! Um is no rated voltage.) Um
Certificate	PF 09 CERT 1440 X
Marking	II 3G Ex nA IIC T4 Gc
Galvanic isolation: Input/Output	safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Galvanic isolation: Input/power supply	safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Directive conformity: Directive 2014/34/EU	EN IEC 60079-0:2018+AC:2020 , EN 60079-11:2012 , EN 60079-15:2010

International approvals

FM approval: Control drawing	16-534FM-12 (cFMus)
UL approval	E106378
Control drawing	116-0364
IECEx approval: IECEx certificate	IECEx BAS 07.0097X
IECEx approval: IECEx marking	[Ex ia Ga] IIC, [Ex ia] IIIC , [Ex ia] I

General information

Supplementary information

Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.

Downloads & documentation

Official documents from Pepperl Fuchs, downloaded directly from the manufacturer.

Data sheets & manuals

Datasheet HiC2851	PDF
Instruction Manual	PDF · 171 kB

CAD & dimension drawings

3-D model (STEP) HiC2831R3

STP · 2.8 MB

Certificates (10)

United Arab Emirates SGS Gulf Limited ECASEx (26-01-177837/E26-01-185203/NB0002 (Vietnam))	PDF · 1.1 MB
China SITIIAS CCC Ex Certificate (2025322316007004 (Vietnam))	PDF · 2.2 MB
EU Declaration of Conformity (Pepperl+Fuchs)	PDF · 157 kB
South Africa MASC (MASC MS/17-0853X)	PDF · 780 kB
Canada USA UL Certificate of Compliance Hazardous Location UL E106378 cULus (CoC 20130429 - E106378 RepRef 20130429)	PDF · 435 kB
exida Functional Safety Assessment (P+F 08/03-32R1C V2R1)	PDF · 466 kB
USA FM (CoC 3033219)	PDF · 694 kB
Canada FM (CoC 3033219C)	PDF · 698 kB
Europe Pepperl+Fuchs ATEX Category 3 G Certificate (PF 09 CERT 1440 X)	PDF · 213 kB
Europe Baseefa ATEX Category (1) GD ATEX Category (M1) (Baseefa 07 ATEX 0302X)	PDF · 1.7 MB