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The Switch Amplifier is a 1-channel isolated barrier designed to operate with a 230 V AC supply. It is compatible with dry contact or NAMUR inputs and features relay contact outputs along with a fault relay contact output.
The Switch Amplifier, part of the Pepperl+Fuchs Intrinsic Safety Barriers family, is engineered for use in hazardous environments where safety is paramount. Its design allows for the safe isolation of signals in potentially explosive atmospheres, ensuring that electrical equipment can be operated without risk of ignition. The device supports both dry contact and NAMUR inputs, making it versatile for a variety of sensor applications.
Common applications for this switch amplifier include industrial automation, process control, and safety-critical systems. The device features line fault detection (LFD) which enhances operational reliability by monitoring the integrity of input signals. Additionally, the reversible mode of operation allows for flexible integration into existing systems. With a maximum safety integrity level of SIL 2 according to IEC 61508 and IEC 61511, this product is suitable for safety-related applications, providing peace of mind in both performance and compliance.
| Input/power supply | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Power dissipation | 1.2 W |
| Output/Output | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| EU-Type Examination Certificate | PTB 00 ATEX 2081 |
| IECEx approval | IECEx PTB 11.0031 |
| Connection | terminals 1+, 2+, 3- |
| 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 |
| Input/Output | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Connection side | field side |
| Signal type | Digital Input |
| Connection | terminals 14, 15 |
| Pulse/Pause ratio | min. 20 ms / min. 20 ms |
| Connection side | control side |
| Switching point/switching hysteresis | 1.2 … 2.1 mA / approx. 0.2 mA |
| Mass | approx. 150 g |
| Output/power supply | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Rated values | acc. to EN 60947-5-6 (NAMUR) |
| Labeling | space for labeling at the front |
| Connection | screw terminals |
| Display elements | LEDs |
| Electromagnetic compatibility | NE 21:2006 |
| Input | EN 60947-5-6:2000 |
| Open circuit voltage/short-circuit current | approx. 8 V DC / approx. 8 mA |
| Degree of protection | IP20 |
| Energized/De-energized delay | approx. 20 ms / approx. 20 ms |
| Power consumption | max. 1.3 W |
| 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 |
| Switching frequency | 10 Hz |
| Safety Integrity Level (SIL) | SIL 2 |
| Degree of protection | IEC 60529:2001 |
| Output I | signal ; relay |
| Rated voltage | 207 … 253 V AC, 45 … 65 Hz |
| Output II | signal or error message ; relay |
| Mechanical life | 107 switching cycles |
| Line fault detection | breakage I 0.1 mA , short-circuit I > 6 mA |
| 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) |
Currently, the goods have no revocation.
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