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The Zener Barrier is a 1-channel intrinsic safety barrier designed for DC applications with positive polarity. It operates at a working voltage of 13 V and is equipped with a series resistance of up to 107 Ohm, making it suitable for a variety of industrial applications.
The Zener Barrier is a crucial component in the realm of intrinsic safety, primarily employed to ensure safe operation in hazardous environments. These barriers are designed to limit the energy available in circuits that may enter explosive atmospheres, thereby preventing ignition caused by electrical equipment. The Zener Barrier achieves this by utilizing Zener diodes for voltage clamping, ensuring that the energy transmitted to the connected devices remains within safe limits.
Common applications for this type of barrier include use in process automation, chemical processing, and oil and gas industries, where equipment must be protected from explosive atmospheres. By effectively isolating intrinsic safety devices from potentially dangerous environments, the Zener Barrier plays a vital role in maintaining operational safety while enabling reliable communication and control in hazardous locations.
| 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 |
| Connection | terminals 7, 8 |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| IECEx approval | IECEx BAS 09.0142 IECEx BAS 17.0091X |
| Degree of protection | IP20 |
| Storage temperature | -25 … 70 °C (-13 … 158 °F) |
| Connection | screw terminals |
| Degree of protection | IEC 60529 |
| Mass | approx. 150 g |
| Construction type | modular terminal housing , see system description |
| 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) |
| Series resistance | min. 98 andOmega; |
| Relative humidity | max. 75 % , without condensation |
| Series resistance | max. 107 andOmega; |
| Nominal resistance | 100 andOmega; |
| Connection | terminals 1, 2 |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Fuse rating | 100 mA |
| Type | DC version, positive polarity |
| EU-Type Examination Certificate | BAS 01 ATEX 7005 |
Currently, the goods have no revocation.
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