Out of stock
The Zener Barrier is a one-channel intrinsic safety device designed for use in hazardous environments. It provides effective voltage and current limiting to ensure safe operation of connected equipment in explosive atmospheres.
The Zener Barrier is a critical component in the Pepperl+Fuchs family of intrinsic safety barriers, designed to protect electrical equipment in hazardous locations. These barriers prevent ignition of flammable gases or dust by limiting the electrical energy available to the connected devices. The Zener Barrier operates by using zener diodes to clamp voltage and resistive elements to limit current, thereby ensuring that the energy levels remain below the thresholds that could cause ignition.
This device is particularly suited for applications in industries such as oil and gas, chemicals, and pharmaceuticals, where the presence of explosive atmospheres necessitates stringent safety measures. The Zener Barrier can be mounted on a DIN rail, making it easy to integrate into existing control systems while maintaining compliance with safety standards. Its specifications include a working voltage of 26.5 V at 10 micro-A, a maximum series resistance of 327 Ohms, and a fuse rating of 50 mA, making it a reliable choice for protecting field devices in hazardous environments.
| IECEx approval | IECEx BAS 09.0142 IECEx BAS 17.0091X |
| Storage temperature | -25 … 70 °C (-13 … 158 °F) |
| Degree of protection | IP20 |
| Core cross-section | max. 2 x 2.5 … mm2 |
| Type | DC version, positive polarity |
| Certificate | TV 99 ATEX 1484 X |
| Connection | terminals 7, 8 |
| Connection | terminals 1, 2 |
| Series resistance | max. 327 andOmega; |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Dimensions | 12.5 x 115 x 110 mm (0.5 x 4.5 x 4.3 inch) |
| Connection | screw terminals |
| Mass | approx. 150 g |
| Construction type | modular terminal housing , see system description |
| Fuse rating | 50 mA |
| Degree of protection | IEC 60529 |
| Relative humidity | max. 75 % , without condensation |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| EU-Type Examination Certificate | BAS 01 ATEX 7005 |
| Series resistance | min. 301 andOmega; |
| Nominal resistance | 300 andOmega; |
Currently, the goods have no revocation.
Your feedback will be the first to
Share your thoughts, your opinion about the product.
Thank you for your feedback. In order to leave your feedback, simply fill out the form below.
The Ultrasonic sensor offers a versatile parameterization interface...
The Ultrasonic sensor offers an IO-link interface that...