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The NAMUR Resistor Network is designed for one-channel dry contact inputs, specifically catering to line fault detection (LFD) applications in intrinsically safe environments.
The NAMUR Resistor Network falls under the category of intrinsic safety barriers, which are essential components in hazardous locations where explosive atmospheres may be present. This product is tailored for use with NAMUR sensors, providing a reliable interface for signal processing while ensuring compliance with safety regulations. The device operates using a dry contact input, making it suitable for various applications in industrial automation and process control.
The primary function of the NAMUR Resistor Network is to facilitate line fault detection (LFD), thereby enhancing system reliability and safety. By monitoring the integrity of the signal line, it helps prevent potential failures that could lead to unsafe conditions. This device is commonly employed in sectors such as oil and gas, chemical processing, and other industries where safety is paramount and where the operational environment poses significant risks.
| NAMUR Resistor Network | ||
| Rated voltage | max. 30 V DC | |
| Resistor | 1.5 kΩ/0.5 W 10 kΩ/0.5 W |
|
| Suitable field devices | ||
| Field device | volt-free contact | |
| Error detection | lead breakage, short circuit, open switch, closed switch | |
| Ambient temperature | -40 … 60 °C (-40 … 140 °F) | |
| Degree of protection | IP20 | |
| Connection | screw terminals | |
| Core cross-section | 0.5 … 1.5 mm2 , rigid or flexible | |
| Cable | 0.5 mm2 x 150 mm | |
| Mass | approx. 10 g | |
| Dimensions | 35 x 16 x 15 mm (1.38 x 0.63 x 0.59 inch) | |
| Tightening torque | 0.5 … 0.6 Nm | |
| Certificate | see EU Declaration of Conformity | |
| Temperature class | T5 / T6 | |
| Voltage |
30 V | |
| Power |
0.5 W (T5) / 0.2 W (T6 up to 50 °C) / 0.1 W (T6 up to 60 °C) | |
| Ambient temperature | max. 60 °C (max. 140 °F) | |
| Internal capacitance |
negligibly small | |
| Internal inductance |
negligibly small | |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. | |
| ECLASS 13.0 | 27260118 | |
| ECLASS 12.0 | 27024401 | |
| ECLASS 11.0 | 27024401 | |
| ECLASS 10.0.1 | 27024401 | |
| ECLASS 9.0 | 27024401 | |
| ECLASS 8.0 | 27024401 | |
| ECLASS 5.1 | 27279290 | |
| ETIM 9.0 | EC002303 | |
| ETIM 8.0 | EC002303 | |
| ETIM 7.0 | EC002303 | |
| ETIM 6.0 | EC002303 | |
| ETIM 5.0 | EC003015 | |
| UNSPSC 12.1 | 32121610 | |
Currently, the goods have no revocation.
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