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The Zener Barrier is a robust and reliable solution for protecting sensitive equipment in hazardous areas. It features a dual-channel configuration and is designed to ensure safe operation in environments where explosive gases or dust may be present.
The Zener Barrier is part of a comprehensive family of intrinsic safety barriers that are essential for maintaining safety in hazardous environments. These barriers are designed to limit the energy available for ignition in explosive atmospheres, thereby protecting connected devices. With its two-channel configuration, this device is suitable for a variety of applications requiring reliable intrinsic safety measures.
Common applications for Zener Barriers include connecting field devices such as sensors and actuators in industries like oil and gas, chemical processing, and mining. The barriers are configured to work effectively with DC power supplies, ensuring a stable working voltage while minimizing the risk of overcurrent. Additionally, they are easily mounted on DIN rails, facilitating straightforward installation and integration into existing systems.
| Fuse rating | 50 mA |
| IECEx approval | IECEx BAS 09.0142 IECEx BAS 17.0091X |
| Nominal resistance | 600 Ω |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Mass | approx. 150 g |
| Connection | terminals 5, 6; 7, 8 |
| Core cross-section | max. 2 x 2.5 … mm2 |
| Dimensions | 12.5 x 115 x 110 mm (0.5 x 4.5 x 4.3 inch) |
| Relative humidity | max. 75 % , without condensation |
| Certificate | TV 99 ATEX 1484 X |
| Series resistance | min. 607 Ω |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Type | DC version, positive polarity |
| EU-type examination certificate | BAS 01 ATEX 7005 |
| Storage temperature | -25 … 70 °C (-13 … 158 °F) |
| Degree of protection | IEC 60529 |
| Series resistance | max. 646 Ω |
| Construction type | modular terminal housing , see system description |
| Connection | terminals 1, 2; 3, 4 |
| Degree of protection | IP20 |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Connection | screw terminals |
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