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The Zener Barrier is a two-channel, AC version designed to enhance safety in hazardous environments. With a working voltage of 10 V at 10 µA and a maximum series resistance of 166 Ω, it ensures reliable operation in demanding conditions.
The Zener Barrier is a crucial component in the realm of intrinsic safety, primarily utilized to protect electrical equipment in explosive atmospheres. By limiting the energy available in hazardous areas, it prevents sparks or thermal effects that could lead to ignition. This type of barrier is widely used in various applications, including petrochemical plants, mining operations, and any industry where flammable gases or dusts are present.
This particular model features a two-channel design, allowing for versatile configurations in complex systems. The barrier operates at a working voltage of 10 V and is rated for a maximum series resistance of 166 Ω, making it suitable for a range of sensors and actuators. With a fuse rating of 50 mA, it provides additional protection against overcurrent, ensuring operational reliability while mounted on a standard DIN rail.
| Connection | terminals 1, 2; 3, 4 |
| Nominal resistance | 150 Ω |
| Storage temperature | -25 … 70 °C (-13 … 158 °F) |
| Series resistance | min. 147 Ω |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Degree of protection | IEC 60529 |
| Core cross-section | max. 2 x 2.5 mm2 |
| Certificate | TV 99 ATEX 1484 X |
| Dimensions | 12.5 x 115 x 110 mm (0.5 x 4.5 x 4.3 inch) |
| Relative humidity | max. 75 % , without condensation |
| Degree of protection | IP20 |
| Construction type | modular terminal housing , see system description |
| EU-type examination certificate | BAS 01 ATEX 7005 |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Connection | terminals 5, 6; 7, 8 |
| Fuse rating | 50 mA |
| Connection | screw terminals |
| IECEx approval | IECEx BAS 09.0142 IECEx BAS 17.0091X |
| Series resistance | max. 166 Ω |
| Mass | approx. 150 g |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Type | AC version |
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