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The Zener Barrier is a robust 2-channel AC version designed for applications requiring intrinsic safety measures. It operates at a working voltage of 6.5 V with a maximum series resistance of 380 Ω, ensuring reliable performance in hazardous environments.
The Zener Barrier is part of a critical product family that provides intrinsic safety in various industrial applications, particularly in hazardous zones where explosive atmospheres may be present. These barriers are designed to limit the energy available to electrical equipment, thereby preventing ignition sources in environments classified as potentially explosive.
Commonly utilized in process automation and control systems, Zener Barriers are essential for transmitting signals and power to field devices while adhering to safety regulations. The DIN rail mounting feature allows for straightforward installation in control cabinets, facilitating efficient space management. With a fuse rating of 50 mA, this high power version ensures enhanced reliability and performance under demanding operational conditions.
| Series resistance | max. 380 Ω |
| Degree of protection | IEC 60529 |
| Storage temperature | -25 … 70 °C (-13 … 158 °F) |
| Relative humidity | max. 75 % , without condensation |
| Fuse rating | 50 mA |
| Degree of protection | IP20 |
| Connection | terminals 5, 6; 7, 8 |
| Dimensions | 12.5 x 115 x 110 mm (0.5 x 4.5 x 4.3 inch) |
| Certificate | TV 99 ATEX 1484 X |
| Connection | terminals 1, 2; 3, 4 |
| Core cross-section | max. 2 x 2.5 … mm2 |
| Construction type | modular terminal housing , see system description |
| Connection | screw terminals |
| Series resistance | min. 352.8 Ω |
| Mass | approx. 150 g |
| EU-type examination certificate | BAS 01 ATEX 7005 |
| Type | AC version |
| IECEx approval | IECEx BAS 09.0142 IECEx BAS 17.0091X |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Nominal resistance | 360 Ω |
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