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The Zener Barrier is a robust, two-channel device designed for use in intrinsically safe applications. It operates on a DC version with positive polarity and is optimized for low voltage environments.
The Zener Barrier is a critical component in ensuring safety in hazardous environments where explosive gases or dust may be present. This type of intrinsic safety barrier allows for the safe connection of equipment to potentially dangerous areas by limiting the energy available to the connected devices, thereby preventing ignition sources. Zener barriers are commonly used in industries such as oil and gas, chemical processing, and pharmaceuticals, where equipment must comply with strict safety standards.
Featuring a working voltage of 0.9 V at 1 µA and a maximum series resistance of 18.18 Ω, the Zener Barrier provides reliable operation under various conditions. The device incorporates a fuse rating of 250 mA, ensuring protection against overcurrent situations. Designed for DIN rail mounting, it integrates seamlessly into existing control systems, making it an ideal choice for projects requiring compliance with intrinsic safety regulations.
| Type | DC version, positive polarity |
| Series resistance | max. 18.18 Ω |
| 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. |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Connection | screw terminals |
| Storage temperature | -25 … 70 °C (-13 … 158 °F) |
| Series resistance | min. 9.8 Ω |
| IECEx approval | IECEx BAS 09.0142 IECEx BAS 17.0091X |
| EU-type examination certificate | BAS 01 ATEX 7005 |
| Core cross-section | max. 2 x 2.5 … mm2 |
| Fuse rating | 250 mA |
| Mass | approx. 150 g |
| Degree of protection | IEC 60529 |
| Connection | terminals 5, 6; 7, 8 |
| Relative humidity | max. 75 % , without condensation |
| Connection | terminals 1, 2; 3, 4 |
| Certificate | TV 99 ATEX 1484 X |
| Construction type | modular terminal housing , see system description |
| Degree of protection | IP20 |
| Nominal resistance | 10 Ω |
Currently, the goods have no revocation.
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