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The Zener Barrier is a reliable 1-channel AC version designed for applications requiring intrinsic safety. It operates at a working voltage of 26 V with a maximum series resistance of 327 Ω, making it suitable for various industrial environments.
The Zener Barrier is part of a specialized family of intrinsic safety barriers designed to ensure safe operation in hazardous areas. These devices are crucial for isolating electrical circuits and protecting sensitive equipment from overvoltage and excessive current, thereby preventing potential ignition sources in explosive atmospheres. The barriers utilize Zener diodes to limit the voltage and current in the circuit, providing a robust solution for ensuring compliance with safety standards in industrial applications.
Common applications for Zener Barriers include process automation, chemical plants, and oil and gas industries, where equipment is often exposed to explosive gases or dust. By implementing Zener Barriers, users can integrate standard instrumentation and control systems safely within these hazardous environments, allowing for increased operational efficiency without compromising safety. The DIN rail mounting feature further enhances the versatility and ease of installation in various control cabinets.
| Connection | terminals 7, 8 |
| Mass | approx. 150 g |
| Nominal resistance | 300 Ω |
| IECEx approval | IECEx BAS 09.0142 IECEx BAS 17.0091X |
| Relative humidity | max. 75 % , without condensation |
| Fuse rating | 50 mA |
| Degree of protection | IP20 |
| Type | AC version |
| Certificate | TV 99 ATEX 1484 X |
| Connection | screw terminals |
| 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) |
| Core cross-section | max. 2 x 2.5 … mm2 |
| Construction type | modular terminal housing , see system description |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Series resistance | min. 301 Ω |
| Dimensions | 12.5 x 115 x 110 mm (0.5 x 4.5 x 4.3 inch) |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Connection | terminals 1, 2 |
| Degree of protection | IEC 60529 |
| EU-type examination certificate | BAS 01 ATEX 7005 |
| Series resistance | max. 327 Ω |
Currently, the goods have no revocation.
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