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Pepperl+Fuchs Z928 071857

Module Z928 Pepperl+Fuchs 071857
Manufacturer
Pepperl+Fuchs
Name
Z928
Part number
071857
Country
Germany
Type
Module
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The Zener Barrier prevents the transfer of unacceptably high energy from the safe area into the hazardous area. The zener diodes in the Zener Barrier are connected in the reverse direction. The breakdown voltage of the diodes is not exceeded in normal operation. If this voltage is exceeded, due to a fault in the safe area, the diodes start to conduct, causing the fuse to blow. The Zener Barrier has alternating polarities, i. e. interconnected zener diodes are employed and one side is grounded. The Zener Barrier can be used for both alternating voltage signals and direct voltage signals.
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Specifications Z928 071857

General specifications
TypeAC version
Electrical specifications
Nominal resistance300 &Omega,
Series resistancemax. 327 &Omega,
Fuse rating50 mA
Hazardous area connection
Connectionterminals 1, 2
Safe area connection
Connectionterminals 7, 8
Working voltage
Supply loopmax. 26.3 V
Measurement loopmax. 26 V at 10 µ,A
Conformity
Degree of protectionIEC 60529
Ambient conditions
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Storage temperature-25 ... 70 °C (-13 ... 158 °F)
Relative humiditymax. 75 % , without condensation
Mechanical specifications
Degree of protectionIP20
Connectionscrew terminals
Core cross-sectionmax. 2 x 2.5 ... mm2
Massapprox. 150 g
Dimensions12.5 x 115 x 110 mm (0.5 x 4.5 x 4.3 inch)
Construction typemodular terminal housing , see system description
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection with hazardous areas
EU-type examination certificateBAS 01 ATEX 7005
Marking II (1)GD, I (M1) [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I (-20 °C &le, Tamb &le, 60 °C) [circuit(s) in zone 0/1/2]
Voltage28 V
Current93 mA
Power650 mW
Supply
Maximum safe voltage250 V
Series resistancemin. 301 &Omega,
CertificateTÜV 99 ATEX 1484 X
Marking II 3G Ex nA IIC T4 Gc [device in zone 2]
Directive conformity
Directive 2014/34/EUEN 60079-0:2012+A11:2013 , EN 60079-11:2012 , EN 60079-15:2010
International approvals
FM approval
Control drawing116-0118
UL approval
Control drawing116-0139 (cULus)
IECEx approvalIECEx BAS 09.0142 IECEx BAS 17.0091X
Approved for[Ex ia Ga] IIC , [Ex ia Da] IIIC , [Ex ia Ma] I Ex ec IIC T4 Gc
General information
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.