Pepperl Fuchs Z888.H

Zener Barrier

MPN: Z888.H
Category: Modules

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What is the Pepperl Fuchs Z888.H?

2-channel

DC version, negative polarity

Working voltage 26.5 V/6.5 V at 10 µA

Series resistance max. 250 Ω/64 Ω

Fuse rating 80 mA

DIN rail mountable

High power version

Asymmetrical version

2-channel, DC version, negative polarity, Working voltage 26.5 V/6.5 V at 10 µA, Series resistance max. 250 Ω/64 Ω, Fuse rating 80 mA, DIN rail mountable, High power version, Asymmetrical version, Type: DC version, negative polarity, Supply loop: terminals 7, 8: max. 27 V , terminals 5, 6: max. 8.6 V

Specifications

Search characteristics

Order code (Pepperl+Fuchs part number)	071973
Additional functions: Asymmetrical version	yes
Lifecycle	Active (current Pepperl+Fuchs product)

General specifications

Type	DC version, negative polarity

Electrical specifications

Nominal resistance	terminals 1, 8: 240 Ω terminals 4, 5: 50 Ω
Series resistance	terminals 1, 8: max. 250 Ω terminals 4, 5: max. 64 Ω
Fuse rating	80 mA

Hazardous area connection

Connection

terminals 1, 2; 3, 4

Safe area connection

Connection	terminals 5, 6; 7, 8
Working voltage: Supply loop	terminals 7, 8: max. 27 V terminals 5, 6: max. 8.6 V
Working voltage: Measurement loop	terminals 7, 8: max. 26.5 V at 10 µAterminals 5, 6: max. 6.5 V at 10 µA

Conformity

Degree of protection

IEC 60529

Ambient conditions

Ambient temperature	-20 ... 60 °C (-4 ... 140 °F)
Storage temperature	-25 ... 70 °C (-13 ... 158 °F)
Relative humidity	max. 75 % , without condensation

Mechanical specifications

Degree of protection	IP20
Connection	screw terminals
Core cross section	max. 2 x 2.5 ... mm2
Mass	approx. 150 g
Dimensions	12.5 x 115 x 116 mm (0.5 x 4.5 x 4.6 inch) (W x H x D)
Construction type	modular terminal housing , see system description
Mounting	on 35 mm DIN mounting rail acc. to EN 60715:2001

Data for application in connection with hazardous areas

EU-type examination certificate	BAS 01 ATEX 7005
Marking	II (1)GD, I (M1) [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
Voltage	terminals 1, 2: 28 V; terminals 3, 4: 9.56 V Uo
Current	terminals 1, 2: 120 mA; terminals 3, 4: 195 mA Io
Power	terminals 1, 2: 830 mW; terminals 3, 4: 470 mW Po
Supply: Maximum safe voltage	250 V Um
Series resistance	terminals 1, 2: min. 235 Ω; terminals 3, 4: min. 49 Ω
Certificate	TÜV 99 ATEX 1484 X
Marking	II 3G Ex nA IIC T4 Gc
Directive conformity: Directive 2014/34/EU	EN IEC 60079-0:2018+AC:2020 , EN IEC 60079-11:2024 , EN IEC 60079-7:2015+A1:2018

International approvals

FM approval: Control drawing	116-0118
UL approval: Control drawing	116-0139 (cULus)
IECEx approval: IECEx certificate	IECEx BAS 09.0142 IECEx BAS 17.0091X
IECEx approval: IECEx marking	[Ex ia Ga] IIC , [Ex ia Da] IIIC , [Ex ia Ma] I Ex ec IIC T4 Gc

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

CAD & dimension drawings

3-D model (STEP) Z810.CLSTP · 974 kB

Certificates (11)

Z888.H: frequently asked questions

When can Z888.H be shipped?

Z888.H 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 Z888.H 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 Z888.H 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 Z888.H, subject to availability and destination.