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Z788 Zener Barrier

Key Benefits at a Glance

  • 2-channel
  • DC version, positive polarity
  • Working voltage 26.5 V/6.5 V at 10 µA
  • Series resistance max. 327 Ω/64 Ω
  • Fuse rating 50 mA
  • DIN rail mountable
  • Asymmetrical version

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In stock1.068,00 DKK Net price—your individual price will be shown during checkout process.
Product photo: Zener Barrier Z788
Product photo: Zener Barrier Z788
Approval
Approval
Product Compliance: Europe – CE
Product Compliance: USA - cULus
Approval
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.

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DatasheetClassificationProduct DocumentationDesign / SimulationApprovalsRelated Products

Technical data of Z788

Additional functions
Asymmetrical versionyes
TypeDC version, positive polarity
Nominal resistanceterminals 1, 8: 300 Ω; terminals 4, 5: 50 Ω
Series resistanceterminals 1, 8: max. 327 Ω
terminals 4, 5: max. 64 Ω
Fuse rating50 mA
Connectionterminals 1, 2; 3, 4
Connectionterminals 5, 6; 7, 8
Working voltage
Supply loopterminals 7, 8: max. 27 V
terminals 5, 6: max. 8.6 V
Measurement loopterminals 7, 8: max. 26.5 V at 10 µA
terminals 5, 6: max. 6.5 V at 10 µA
Degree of protectionIEC 60529
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Storage temperature-25 ... 70 °C (-13 ... 158 °F)
Relative humiditymax. 75 % , without condensation
Degree of protectionIP20
Connectionscrew terminals
Core cross sectionmax. 2 x 2.5 ... mm2
Massapprox. 150 g
Dimensions12.5 x 115 x 116 mm (0.5 x 4.5 x 4.6 inch) (W x H x D)
Height115 mm
Width12.5 mm
Depth116 mm
Construction typemodular terminal housing , see system description
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
EU-type examination certificateBAS 01 ATEX 7005
MarkingEx-Hexagon II (1)GD, I (M1) [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
VoltageUoterminals 1, 2: 28 V; terminals 3, 4: 9.56 V
CurrentIoterminals 1, 2: 93 mA; terminals 3, 4: 195 mA
PowerPoterminals 1, 2: 650 mW; terminals 3, 4: 470 mW
Supply
Maximum safe voltageUm250 V
Series resistanceterminals 1, 2: min. 301 Ω; terminals 3, 4: min. 49 Ω
CertificateTÜV 99 ATEX 1484 X
MarkingEx-Hexagon II 3G Ex nA IIC T4 Gc
Directive conformity
Directive 2014/34/EUEN IEC 60079-0:2018+AC:2020 , EN 60079-11:2012 , EN 60079-15:2010
FM approval
Control drawing116-0118
UL approval
Control drawing116-0139 (cULus)
IECEx approval
IECEx certificateIECEx BAS 09.0142
IECEx BAS 17.0091X
IECEx marking[Ex ia Ga] IIC , [Ex ia Da] IIIC , [Ex ia Ma] I
Ex ec IIC T4 Gc
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.
General Notes

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