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The Switch Amplifier is a highly reliable 1-channel isolated barrier designed for industrial applications requiring intrinsic safety. It supports a 24 V DC supply and offers compatibility with dry contact or NAMUR inputs, featuring two passive transistor outputs for enhanced signal processing.
The Switch Amplifier is part of the Pepperl+Fuchs family of intrinsic safety barriers, which are essential for ensuring safe operation in hazardous environments. These devices are widely used in process automation, particularly in applications involving sensors and actuators that operate in explosive atmospheres. The Switch Amplifier provides a robust solution for signal conditioning and isolation, effectively protecting control systems from high voltage spikes and ensuring compliance with safety standards.
This product is equipped with a reversible mode of operation, allowing it to function as a signal splitter, which is particularly useful in applications requiring multiple outputs from a single input. The built-in line fault detection (LFD) feature enhances system reliability by identifying potential issues in the signal path, making it ideal for safety-critical applications. With an impressive housing width of just 12.5 mm, this compact amplifier can be easily integrated into existing installations without occupying excessive space.
| Input/power supply | reinforced insulation acc. to EN 50178, rated insulation voltage 300 Veff |
| Switching point/switching hysteresis | 1.2 … 2.1 mA / approx. 0.2 mA |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Control elements | DIP-switch |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Degree of protection | IP20 |
| Output I | signal ; Transistor |
| Switching frequency | ≤ 5 kHz |
| Connection | output I: terminals 5, 6 ; output II: terminals 7, 8 |
| Mass | approx. 100 g |
| Output II | signal or error message ; Transistor |
| Electromagnetic compatibility | NE 21:2011 |
| Protection against electrical shock | IEC 61010-1:2010 |
| Ripple | ≤ 10 % |
| IECEx approval | IECEx BAS 13.0046 IECEx CML 19.0147X |
| Connection side | field side |
| Rated voltage | 19 … 30 V DC |
| Power dissipation | ≤ 700 mW including maximum power dissipation in the output |
| Collective error message | Power Rail |
| Configuration | via DIP switches |
| Optional accessories | – power feed module KFD2-EB2(.R4A.B)(.SP) – universal power rail UPR-03(-M)(-S) – profile rail K-DUCT-BU(-UPR-03) |
| Connection | screw terminals |
| Display elements | LEDs |
| Dimensions | 12.5 x 114 x 119 mm (0.5 x 4.5 x 4.7 inch) , housing type A2 |
| EU-type examination certificate | BASEEFA 13 ATEX 0080 |
| Connection | Power Rail or terminals 9+, 10- |
| Output/power supply | basic insulation according to EN 50178, rated insulation voltage 50 Veff |
| Labeling | space for labeling at the front |
| Connection | terminals 1+, 2- |
| Degree of protection | IEC 60529:2001 |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Pulse/Pause ratio | min. 100 µs / min. 100 µs |
| Signal type | Digital Input |
| Connection side | control side |
| Line fault detection | breakage I ≤ 0.1 mA , short-circuit I ≥ 6.5 mA |
| Input/Output | reinforced insulation acc. to EN 50178, rated insulation voltage 300 Veff |
| Rated current | 20 … 15 mA |
| Input | EN 60947-5-6:2000 |
| Output/Output | basic insulation according to EN 50178, rated insulation voltage 50 Veff |
| Response time | ≤ 200 µs |
| Rated voltage | 30 V DC |
| Certificate | CML 19 ATEX 4410 X |
| Signal level | 1-signal: (external voltage) – 3 V max. for 50 mA 0-signal: blocked output (off-state current ≤ 10 µA) |
| Rated current | 50 mA |
| Rated values | acc. to EN 60947-5-6 (NAMUR) |
| Safety Integrity Level (SIL) | SIL 2 |
| Open circuit voltage/short-circuit current | approx. 10 V DC / approx. 8 mA |
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