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The Zener Barrier is a 1-channel intrinsic safety device designed for use in hazardous environments. It operates on a DC version with positive polarity, providing reliable voltage regulation and protection.
The Zener Barrier is an essential component in the field of intrinsic safety barriers, primarily utilized in industrial applications where explosive atmospheres are a concern. These devices are designed to limit the energy available in hazardous areas, ensuring safe operation of electrical equipment and instrumentation in environments where flammable gases or vapors may be present.
This specific barrier operates at a working voltage of 6.5 V with a maximum series resistance of 56 Ohms, making it suitable for various low-energy applications. It features a fuse rating of 100 mA, providing additional protection against overcurrent conditions. The DIN rail mountable design allows for easy integration into existing control systems, facilitating straightforward installation and maintenance.
Common applications for Zener Barriers include use in chemical processing plants, oil and gas facilities, and other industrial environments where safety is paramount. By effectively isolating and protecting equipment, these barriers help prevent ignition sources from causing potentially catastrophic incidents.
| Dimensions | 12.5 x 115 x 110 mm (0.5 x 4.5 x 4.3 inch) |
| Nominal resistance | 50 andOmega; |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Certificate | TV 99 ATEX 1484 X |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Connection | screw terminals |
| IECEx approval | IECEx BAS 09.0142 IECEx BAS 17.0091X |
| Type | DC version, positive polarity |
| Core cross-section | max. 2 x 2.5 … mm2 |
| Storage temperature | -25 … 70 °C (-13 … 158 °F) |
| Connection | terminals 1, 2 |
| Degree of protection | IP20 |
| Series resistance | max. 56 andOmega; |
| EU-Type Examination Certificate | BAS 01 ATEX 7005 |
| Relative humidity | max. 75 % , without condensation |
| Series resistance | min. 49 andOmega; |
| Mass | approx. 150 g |
| Degree of protection | IEC 60529 |
| Connection | terminals 7, 8 |
| Fuse rating | 100 mA |
| Construction type | modular terminal housing , see system description |
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