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The Zener Barrier is a reliable 2-channel AC version designed for use in hazardous environments. It operates at a working voltage of 6.5 V at 10 µA, ensuring safe signal transmission and isolation in explosive atmospheres.
The Zener Barrier is an essential component in the field of intrinsic safety, specifically designed to protect electrical circuits in hazardous locations. By limiting the voltage and current in the circuit, it ensures that any potential sparks or thermal effects do not ignite flammable gases or dust present in the environment. This makes Zener Barriers crucial for applications in industries such as oil and gas, chemical manufacturing, and pharmaceuticals, where safety is a paramount concern.
Typically mounted on DIN rails, this device features a working voltage of 6.5 V at a current of 10 µA and offers maximum series resistance of 106 Ω. With a fuse rating of 100 mA, it provides adequate protection against overcurrent conditions. The two-channel configuration allows for versatile integration into existing systems, enabling efficient monitoring and control of processes that require intrinsic safety measures.
| Connection | terminals 1, 2; 3, 4 |
| IECEx approval | IECEx BAS 09.0142 IECEx BAS 17.0091X |
| Connection | screw terminals |
| Nominal resistance | 100 Ω |
| Core cross-section | max. 2 x 2.5 … mm2 |
| Series resistance | min. 98 Ω |
| Type | AC version |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Certificate | TV 99 ATEX 1484 X |
| Degree of protection | IP20 |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Relative humidity | max. 75 % , without condensation |
| Connection | terminals 5, 6; 7, 8 |
| Dimensions | 12.5 x 115 x 110 mm (0.5 x 4.5 x 4.3 inch) |
| Storage temperature | -25 … 70 °C (-13 … 158 °F) |
| Fuse rating | 100 mA |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| EU-type examination certificate | BAS 01 ATEX 7005 |
| Construction type | modular terminal housing , see system description |
| Series resistance | max. 106 Ω |
| Degree of protection | IEC 60529 |
| Mass | approx. 150 g |
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