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The Zener Barrier is a 1-channel, high power intrinsic safety device designed for use in hazardous environments. It operates on a DC version with positive polarity, effectively managing electrical energy to ensure safety in sensitive applications.
Intrinsic safety barriers, such as Zener Barriers, are essential components in industrial automation and control systems, particularly in environments where explosive gases or dust are present. These devices are designed to limit the energy available for ignition, providing a safe interface between non-hazardous and hazardous areas. The Zener Barrier achieves this by utilizing Zener diodes to clamp voltage levels and series resistors to limit current flow.
This specific device operates at a working voltage of 26.5 V while delivering a current of 10 micro-A, ensuring reliable performance in protective applications. The maximum series resistance is capped at 250 Ohms, and it features a fuse rating of 80 mA for added protection. Its DIN rail mounting capability facilitates easy installation in control cabinets, making it a versatile choice for a variety of industrial settings.
| Nominal resistance | 240 andOmega; |
| Core cross-section | max. 2 x 2.5 … mm2 |
| IECEx approval | IECEx BAS 09.0142 IECEx BAS 17.0091X |
| Connection | terminals 1, 2 |
| Mass | approx. 150 g |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Series resistance | min. 235 andOmega; |
| Series resistance | max. 250 andOmega; |
| Type | DC version, positive polarity |
| Dimensions | 12.5 x 115 x 110 mm (0.5 x 4.5 x 4.3 inch) |
| Relative humidity | max. 75 % , without condensation |
| Storage temperature | -25 … 70 °C (-13 … 158 °F) |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Construction type | modular terminal housing , see system description |
| Fuse rating | 80 mA |
| Connection | screw terminals |
| Degree of protection | IP20 |
| Certificate | TV 99 ATEX 1484 X |
| Connection | terminals 7, 8 |
| EU-Type Examination Certificate | BAS 01 ATEX 7005 |
| Degree of protection | IEC 60529 |
Currently, the goods have no revocation.
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