Pepperl+Fuchs Z978

Zener Barrier
SKU: Z978
0.00

Out of stock

One click request

The Zener Barrier is a robust two-channel AC version designed for intrinsic safety applications, featuring a working voltage of 26 V at 10 µA and a maximum series resistance of 646 Ω. With a fuse rating of 50 mA, it is suitable for various hazardous environments requiring reliable safety measures.

All description
Manufacturer: Pepperl+Fuchs
Description:

The Zener Barrier is part of a comprehensive range of intrinsic safety barriers designed to protect electrical equipment in hazardous areas. These barriers are essential for ensuring safe operation in environments where flammable gases or dust may be present, as they prevent excessive energy from reaching the hazardous zone. By employing Zener diodes, these barriers limit the voltage and current to safe levels, making them a critical component in process automation and control systems.

Common applications of Zener Barriers include use in gas and oil industries, chemical processing plants, and any facility where explosive atmospheres are a concern. They are typically mounted on DIN rails and can be configured in star connections to suit various installation requirements. The two-channel capability allows for the simultaneous connection of multiple devices, enhancing flexibility and efficiency in system design.

Type AC version
Series resistance min. 607 Ω
Relative humidity max. 75 % , without condensation
Connection terminals 1, 2; 3, 4
Dimensions 12.5 x 115 x 110 mm (0.5 x 4.5 x 4.3 inch)
Supplementary information Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.
Storage temperature -25 … 70 °C (-13 … 158 °F)
EU-type examination certificate BAS 01 ATEX 7005
Nominal resistance 600 Ω
Degree of protection IEC 60529
Connection terminals 5, 6; 7, 8
Certificate TV 99 ATEX 1484 X
Degree of protection IP20
Mass approx. 150 g
Series resistance max. 646 Ω
Ambient temperature -20 … 60 °C (-4 … 140 °F)
Connection screw terminals
Core cross-section max. 2 x 2.5 mm2
Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001
Fuse rating 50 mA
IECEx approval IECEx BAS 09.0142
IECEx BAS 17.0091X
Construction type modular terminal housing , see system description
Reviews
Leave feedback on the goods

Currently, the goods have no revocation.
Your feedback will be the first to
Share your thoughts, your opinion about the product.

Leave feedback

Thank you for your feedback. In order to leave your feedback, simply fill out the form below.

Thank you for your feedback. In order to leave your feedback, simply fill out the form below. “Pepperl+Fuchs Z978”

Your email address will not be published. Required fields are marked *

Other products categories