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The Switch Amplifier is a 2-channel isolated barrier designed for use in hazardous environments, providing reliable signal transmission and control. It supports both dry contact and NAMUR inputs, ensuring versatility in various applications.
The Switch Amplifier belongs to the Pepperl+Fuchs family of intrinsic safety barriers, which are engineered to facilitate safe operation in explosive atmospheres. These devices isolate and amplify signals from field devices, ensuring that only safe levels of energy are transmitted into hazardous zones. This is crucial in industries such as oil and gas, chemical processing, and pharmaceuticals, where the risk of ignition from electrical equipment must be minimized.
This particular model features a 230 V AC supply and includes line fault detection (LFD), enhancing system reliability by continuously monitoring for potential faults in the wiring or the connected devices. The latching relay contact output allows for straightforward integration with various control systems, enabling efficient operation in demanding environments.
| Switching frequency | 10 Hz |
| Mechanical life | 107 switching cycles |
| Connection | screw terminals |
| Connection side | control side |
| Energized/De-energized delay | approx. 20 ms / approx. 20 ms |
| Degree of protection | IP20 |
| EU-Type Examination Certificate | PTB 00 ATEX 2081 |
| Display elements | LEDs |
| Dimensions | 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2 |
| Connection | output I: terminals 7, 8, 9 ; output II: terminals 10, 11, 12 |
| Output/power supply | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Labeling | space for labeling at the front |
| Electromagnetic compatibility | NE 21:2006 |
| Input/Output | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Rated values | acc. to EN 60947-5-6 (NAMUR) |
| Power consumption | max. 1.5 W |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| IECEx approval | IECEx PTB 11.0031 |
| Rated voltage | 207 … 253 V AC, 45 … 65 Hz |
| Open circuit voltage/short-circuit current | approx. 8 V DC / approx. 8 mA |
| Connection | terminals 14, 15 |
| Pulse/Pause ratio | min. 10 ms / min. 10 ms |
| Mass | approx. 150 g |
| Degree of protection | IEC 60529:2001 |
| Connection | terminals 1+, 2+, 3-; 4+, 5+, 6- |
| Contact loading | 253 V AC/2 A/cos andphi; > 0.7; 126.5 V AC/4 A/cos andphi; > 0.7; 40 V DC/2 A resistive load |
| Connection side | field side |
| Input/power supply | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Line fault detection | breakage I 0.1 mA , short-circuit I > 6 mA |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Output I, II | signal ; relay |
| Output/Output | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Input | EN 60947-5-6:2000 |
| Signal type | Digital Input |
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