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The Zener Barrier is a reliable solution for ensuring intrinsic safety in hazardous environments. This 1-channel barrier operates with a DC version and positive polarity, making it suitable for various applications in industrial settings.
The Zener Barrier is designed to provide intrinsic safety for electrical equipment used in potentially explosive atmospheres. It safeguards connected devices by limiting the voltage and current that can reach them, thereby preventing ignition sources in hazardous locations. This technology is critical in industries such as oil and gas, chemical processing, and mining, where explosive gases or dust may be present.
Constructed for ease of integration, the Zener Barrier features DIN rail mounting for straightforward installation within control panels. This barrier operates at a working voltage of 19 V at 10 micro-A, with a maximum series resistance of 166 Ohm and a fuse rating of 50 mA. These specifications ensure effective operation while maintaining compliance with safety standards, making it an essential component for safe electrical installations in challenging environments.
| IECEx approval | IECEx BAS 09.0142 IECEx BAS 17.0091X |
| Dimensions | 12.5 x 115 x 110 mm (0.5 x 4.5 x 4.3 inch) |
| Series resistance | min. 147 andOmega; |
| Degree of protection | IP20 |
| Type | DC version, positive polarity |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Relative humidity | max. 75 % , without condensation |
| Nominal resistance | 150 andOmega; |
| 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 |
| Mass | approx. 150 g |
| EU-Type Examination Certificate | BAS 01 ATEX 7005 |
| Connection | terminals 1, 2 |
| Core cross-section | max. 2 x 2.5 … mm2 |
| Connection | terminals 7, 8 |
| Fuse rating | 50 mA |
| Series resistance | max. 166 andOmega; |
| Storage temperature | -25 … 70 °C (-13 … 158 °F) |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Construction type | modular terminal housing , see system description |
| Degree of protection | IEC 60529 |
| Connection | screw terminals |
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