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The Zener Barrier is a robust 2-channel AC version designed for intrinsic safety in hazardous environments. With a working voltage of 13 V at 10 µA and maximum series resistance of 115 Ω, it ensures reliable operation in critical applications.
The Zener Barrier product family is essential for ensuring intrinsic safety in electrical systems operating in potentially explosive atmospheres. These barriers provide a reliable means of protecting equipment and personnel by limiting the energy available in hazardous areas. They are particularly useful in applications where instrumentation must interface with field devices located in zones classified as hazardous due to the presence of flammable gases or dust.
These barriers are designed for DIN rail mounting and utilize a star connection topology, allowing for flexible installation configurations. The maximum fuse rating of 50 mA further enhances the safety and reliability of the system, ensuring that any overcurrent conditions are effectively managed. Typical applications include use in process automation, oil and gas industries, and any systems requiring stringent safety measures to prevent ignition in explosive atmospheres.
| Core cross-section | max. 2 x 2.5 … mm2 |
| Mass | approx. 150 g |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Nominal resistance | 100 Ω |
| EU-type examination certificate | BAS 01 ATEX 7005 |
| Certificate | TV 99 ATEX 1484 X |
| IECEx approval | IECEx BAS 09.0142 IECEx BAS 17.0091X |
| Construction type | modular terminal housing , see system description |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Degree of protection | IP20 |
| Series resistance | min. 98 Ω |
| Dimensions | 12.5 x 115 x 110 mm (0.5 x 4.5 x 4.3 inch) |
| Fuse rating | 50 mA |
| Connection | screw terminals |
| Relative humidity | max. 75 % , without condensation |
| Connection | terminals 5, 6; 7, 8 |
| Degree of protection | IEC 60529 |
| Type | AC version |
| Series resistance | max. 115 Ω |
| Storage temperature | -25 … 70 °C (-13 … 158 °F) |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Connection | terminals 1, 2; 3, 4 |
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