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The Zener Barrier is a robust, two-channel device designed for use in hazardous environments, ensuring intrinsic safety by limiting voltage and current. This AC version operates at a working voltage of 10 V with a maximum series resistance of 1033 Ω and a fuse rating of 50 mA.
The Zener Barrier is part of the Pepperl+Fuchs range of intrinsic safety barriers, which are essential for protecting electrical circuits in explosive atmospheres. These barriers allow for safe operation of field devices in potentially hazardous locations by isolating them from high-energy sources and limiting the energy available for ignition. The two-channel design facilitates the connection of multiple devices, making it suitable for a variety of applications.
Commonly employed in industries such as oil and gas, chemical manufacturing, and mining, Zener Barriers provide essential protection for sensors, actuators, and other instrumentation used in explosive environments. The DIN rail mounting feature ensures easy installation and integration into existing control systems, while the specified working voltage and series resistance parameters guarantee compliance with safety standards.
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Dimensions | 12.5 x 115 x 110 mm (0.5 x 4.5 x 4.3 inch) |
| Degree of protection | IEC 60529 |
| Storage temperature | -25 … 70 °C (-13 … 158 °F) |
| EU-type examination certificate | BAS 01 ATEX 7005 |
| Series resistance | min. 980 Ω |
| Nominal resistance | 1000 Ω |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Relative humidity | max. 75 % , without condensation |
| Construction type | modular terminal housing , see system description |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Type | AC version |
| Mass | approx. 150 g |
| Fuse rating | 50 mA |
| Connection | terminals 5, 6; 7, 8 |
| Certificate | TV 99 ATEX 1484 X |
| Connection | screw terminals |
| Core cross-section | max. 2 x 2.5 … mm2 |
| IECEx approval | IECEx BAS 09.0142 IECEx BAS 17.0091X |
| Degree of protection | IP20 |
| Series resistance | max. 1033 Ω |
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