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The Zener Barrier is a robust 2-channel intrinsic safety device designed for use in hazardous environments. It operates on a DC version with positive polarity and is suitable for applications requiring isolation and protection of field devices.
The Zener Barrier is an essential component in the field of intrinsic safety, primarily utilized to protect electrical equipment in hazardous locations from the risks of explosion due to electrical sparks. These barriers function by limiting the voltage and current that can reach the field devices, ensuring safe operation even in volatile environments. With a working voltage of 6 V at 1 µA, this device effectively manages the energy levels to prevent ignition.
This product is particularly advantageous in industrial settings where safety is paramount, such as oil and gas, chemical processing, and mining. The barrier’s design allows for a maximum series resistance of 2030.5 Ω, coupled with an 80 mA fuse rating for enhanced protection. Additionally, its DIN rail mounting feature simplifies installation and integration into existing systems, making it a versatile choice for various applications requiring reliable intrinsic safety solutions.
| Type | DC version, positive polarity |
| Dimensions | 12.5 x 115 x 110 mm (0.5 x 4.5 x 4.3 inch) |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Fuse rating | 80 mA |
| Connection | terminals 1, 2; 3, 4 |
| 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 |
| Degree of protection | IEC 60529 |
| Connection | screw terminals |
| IECEx approval | IECEx BAS 09.0142 IECEx BAS 17.0091X |
| Construction type | modular terminal housing , see system description |
| EU-type examination certificate | BAS 01 ATEX 7005 |
| Series resistance | min. 1957 Ω |
| Series resistance | max. 2030.5 Ω |
| Certificate | TV 99 ATEX 1484 X |
| Connection | terminals 5, 6; 7, 8 |
| Storage temperature | -25 … 70 °C (-13 … 158 °F) |
| Degree of protection | IP20 |
| Nominal resistance | 2009 Ω |
| Core cross-section | max. 2 x 2.5 … mm2 |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Mass | approx. 150 g |
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