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The Switch Amplifier is a 1-channel isolated barrier designed to interface between field signals and control systems in hazardous environments. It operates on a 230 V AC supply and supports both dry contact and NAMUR inputs, making it versatile for various applications.
The Switch Amplifier from Pepperl+Fuchs is engineered for use in applications requiring intrinsic safety barriers, ensuring the safe operation of electrical devices in explosive atmospheres. This product serves as an isolated barrier that allows for effective signal transmission while preventing any dangerous electrical discharges. It is particularly suited for environments where line fault detection is critical, as it incorporates advanced safety features to monitor and report on the integrity of the system.
With its relay contact output and reversible mode of operation, the Switch Amplifier is adaptable for various input types, including dry contacts and NAMUR sensors. Its compliance with SIL 2 standards according to IEC 61508/IEC 61511 ensures that it meets stringent safety requirements, making it ideal for applications in process automation, chemical industries, and oil and gas sectors where safety is paramount.
| Mechanical life | 107 switching cycles |
| EU-Type Examination Certificate | PTB 00 ATEX 2081 |
| Connection | terminals 7, 8, 9 |
| Safety Integrity Level (SIL) | SIL 2 |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Energized/De-energized delay | approx. 20 ms / approx. 20 ms |
| Pulse/Pause ratio | min. 20 ms / min. 20 ms |
| Connection | screw terminals |
| Labeling | space for labeling at the front |
| Line fault detection | breakage I 0.1 mA , short-circuit I > 6 mA |
| Electromagnetic compatibility | NE 21:2006 |
| Power consumption | max. 1 W |
| Signal type | Digital Input |
| Input | EN 60947-5-6:2000 |
| Mass | approx. 150 g |
| Connection side | control side |
| Degree of protection | IEC 60529:2001 |
| Rated values | acc. to EN 60947-5-6 (NAMUR) |
| 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 |
| Output/power supply | 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. |
| Open circuit voltage/short-circuit current | approx. 8 V DC / approx. 8 mA |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Switching frequency | < 10 Hz |
| Display elements | LEDs |
| Rated voltage | 207 … 253 V AC, 45 … 65 Hz |
| Switching point/switching hysteresis | 1.2 … 2.1 mA / approx. 0.2 mA |
| Input/power supply | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Dimensions | 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2 |
| Degree of protection | IP20 |
| Input/Output | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| IECEx approval | IECEx PTB 11.0031 |
| Power dissipation | 1 W |
| Connection side | field side |
| Connection | terminals 14, 15 |
| Connection | terminals 1+, 2+, 3- |
| Output | signal ; relay |
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