Pepperl Fuchs Zener Barrier Z787.H With diode return

Pepperl Fuchs Zener Barrier Z787.H With diode return

• 2-channel

• DC version, positive polarity

• Working voltage 26.5 V at 10 µA

• Series resistance max. 250 Ω

• Fuse rating 80 mA

• DIN rail mountable

• High power version

• With diode return

General specifications

Type DC version, positive polarity

Electrical specifications

Nominal resistance 240 Ω

Series resistance max. 250 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 max. 27 V

Measurement loop max. 26.5 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)

Height 115 mm

Width 12.5 mm

Depth 116 mm

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 Ex-Hexagon II (1)GD, I (M1) [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I

Voltage 28 V

Current 120 mA

Power 830 mW

Supply

Maximum safe voltage 250 V

Series resistance min. 235 Ω

Certificate TV 99 ATEX 1484 X

Marking Ex-Hexagon II 3G Ex nA IIC T4 Gc

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 116-0118

UL approval

Control drawing 116-0139 (cULus)

IECEx approval

IECEx certificate IECEx 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

Achievers Automation Limited

We are a global supplier of quality automation and control components, dedicated to meeting the industrial control needs of businesses worldwide.

• Over12 years of industry experience.
• Operates a full range of industrial automation components and instruments, cooperating with more than 20 brands,ALLEN BRADLEY,Bently Nevada,MTL,E+H,SICK,P+F,IFM and more.
• These customers hail from over 45 countries across the globe, spanning different continents and diverse industrial landscapes.

Products cover oil development, natural gas development and refining, power plants, new energy, pharmaceutical plants and other industrial fields. Included flow meter,pressure tester,safety barriers,auto mation,valve control and Programmable Logic Controllers (PLC), Distributed Control Systems (DCS), Human Machine Interfaces (HMI), Measuring Instruments and other field instruments are part of the comprehensive product portfolio offered by Achievers Automation Limited to its customers.

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