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The Zener Barrier is a reliable 2-channel device designed for use in intrinsically safe applications. It operates at a working voltage of 6 V with a maximum series resistance and fuse rating, making it suitable for various industrial environments.
The Pepperl+Fuchs Zener Barrier is an essential component in the field of intrinsic safety, providing effective protection for electrical circuits operating in hazardous environments. This type of barrier allows the safe operation of devices in potentially explosive atmospheres by limiting the energy available to the connected equipment, thus preventing ignition sources. The Zener Barrier is particularly useful in applications where equipment is located in zones classified as hazardous, such as oil and gas, chemical processing, and mining.
Designed for DC applications with positive polarity, the Zener Barrier features a working voltage of 6 V at 10 micro-A and a maximum series resistance of 15.5 Ohm. Its 200 mA fuse rating ensures effective protection against overcurrent conditions, while the convenient DIN rail mounting simplifies installation in control cabinets and panels. These characteristics make the Zener Barrier an ideal choice for ensuring the safety and reliability of instrumentation and control systems in industrial settings.
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Construction type | modular terminal housing , see system description |
| Relative humidity | max. 75 % , without condensation |
| Certificate | TV 99 ATEX 1484 X |
| Storage temperature | -25 … 70 °C (-13 … 158 °F) |
| Nominal resistance | 10 andOmega; |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Series resistance | max. 15.5 andOmega; |
| EU-Type Examination Certificate | BAS 01 ATEX 7005 |
| Connection | terminals 5, 6; 7, 8 |
| Series resistance | min. 9.8 andOmega; |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Core cross-section | max. 2 x 2.5 … mm2 |
| IECEx approval | IECEx BAS 09.0142 IECEx BAS 17.0091X |
| Fuse rating | 200 mA |
| Connection | screw terminals |
| Dimensions | 12.5 x 115 x 110 mm (0.5 x 4.5 x 4.3 inch) |
| Type | DC version, positive polarity |
| Mass | approx. 150 g |
| Connection | terminals 1, 2; 3, 4 |
| Degree of protection | IEC 60529 |
| Degree of protection | IP20 |
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