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 is a well-established player in the field of industrial automation, boasting a rich and extensive experience of more than 12 years. Over these years, the company has dedicated itself to dealing with a comprehensive and complete range of industrial automation components and instruments. With an unwavering commitment to excellence, the team at Achievers always goes the extra mile, striving their absolute best to provide top-notch quality goods and highly efficient, timely services to our esteemed and valued customers. These customers hail from over 45 countries across the globe, spanning different continents and diverse industrial landscapes.

The industries that Achievers Automation Limited serves are incredibly diverse and far-reaching. Besides the Oil & Gas sector, the company caters to the Chemical industry, where precision and safety are of utmost importance. The Petrochemical industry, which is closely related to the Oil & Gas sector, also benefits from Achievers' offerings. The Mining industry, with its unique set of challenges in harsh environments, finds reliable solutions in the company's products. The Energy & Utilities sector, which powers our modern world, relies on Achievers for efficient automation components. Additionally, the Pharmaceuticals industry, where accuracy and compliance are critical, as well as the Electronics industry, which demands high-tech and precise instruments, and the Food industry, where hygiene and quality control are essential, all turn to Achievers for their automation needs.

The company takes pride in providing a diversified and extensive range of products that are designed to meet any and every process control and automation challenges that may arise in the industry. To ensure prompt availability, Achievers stocks a wide variety of items. They distribute pressure & temperature transmitters, which are essential for accurately measuring and transmitting pressure and temperature data. Level controller & transmitters are also part of their inventory, enabling precise control of liquid or solid levels. Temperature probes are available for accurate temperature sensing in various applications. Flowmeters, which are crucial for measuring the flow rate of fluids, are among the products they offer. Vibration monitoring devices help in detecting and preventing potential machinery failures. Chart recorders provide a visual record of data over time. Sensors of different types are available for various measurement needs. Programmable Logic Controllers (PLCs), Distributed Control Systems (DCS), Human Machine Interfaces (HMI), measuring instruments, and other field instruments are all part of the comprehensive product portfolio that Achievers Automation Limited offers to its customers.

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