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The Switch Amplifier is a 2-channel isolated barrier designed for industrial applications requiring intrinsic safety. It supports a 24 V DC supply and accommodates dry contact or NAMUR inputs, featuring two active transistor outputs.
In hazardous environments, the Switch Amplifier from Pepperl+Fuchs serves as a crucial component in ensuring safety and operational integrity. This product family is engineered to provide isolation and signal amplification for various input types while maintaining compliance with industry standards. The intrinsic safety barriers are ideal for applications in sectors such as petrochemical, pharmaceutical, and other industries where explosive atmospheres may be present.
The Switch Amplifier features a compact design with a housing width of just 12.5 mm, allowing for efficient use of space in control cabinets. It is equipped with line fault detection (LFD) to enhance system reliability, and its reversible mode of operation ensures flexibility in various configurations. These devices are rated up to Safety Integrity Level (SIL) 2 according to IEC 61508, making them suitable for safety-critical applications.
| Output I | signal ; Transistor |
| Ripple | ≤ 10 % |
| Power dissipation | ≤ 800 mW including maximum power dissipation in the output |
| Control elements | DIP-switch |
| Signal type | Digital Input |
| Input/power supply | reinforced insulation acc. to EN 50178, rated insulation voltage 300 Veff |
| Dimensions | 12.5 x 114 x 119 mm (0.5 x 4.5 x 4.7 inch) , housing type A2 |
| Electromagnetic compatibility | NE 21:2011 |
| Collective error message | Power Rail |
| Output/power supply | not available , common pole terminal 9+ |
| Connection side | control side |
| Input | EN 60947-5-6:2000 |
| Rated voltage | 30 V DC |
| Input/Output | reinforced insulation acc. to EN 50178, rated insulation voltage 300 Veff |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Connection | Power Rail or terminals 9+, 10- |
| Certificate | CML 19 ATEX 4410 X |
| Connection | screw terminals |
| Switching frequency | ≤ 5 kHz |
| Labeling | space for labeling at the front |
| Line fault detection | breakage I ≤ 0.1 mA , short-circuit I ≥ 6.5 mA |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Connection | terminals 1+, 2-; 3+, 4- |
| Output/Output | not available , common pole terminal 9+ |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Mass | approx. 100 g |
| Rated current | 50 mA |
| IECEx approval | IECEx BAS 13.0046 IECEx CML 19.0147X |
| Response time | ≤ 200 µs |
| Signal level | 1-signal: (supply voltage) – 3 V max. for 50 mA 0-signal: blocked output (off-state current ≤ 10 µA) |
| Switching point/switching hysteresis | 1.2 … 2.1 mA / approx. 0.2 mA |
| Protection against electrical shock | IEC 61010-1:2010 |
| Degree of protection | IP20 |
| Rated current | 30 … 20 mA + Iout |
| Open circuit voltage/short-circuit current | approx. 10 V DC / approx. 8 mA |
| Rated voltage | 19 … 30 V DC |
| Optional accessories | – power feed module KFD2-EB2(.R4A.B)(.SP) – universal power rail UPR-03(-M)(-S) – profile rail K-DUCT-BU(-UPR-03) |
| Configuration | via DIP switches |
| Safety Integrity Level (SIL) | SIL 2 |
| Degree of protection | IEC 60529:2001 |
| Connection side | field side |
| Rated values | acc. to EN 60947-5-6 (NAMUR) |
| Output II | signal ; Transistor |
| Pulse/Pause ratio | min. 100 µs / min. 100 µs |
| Connection | terminals 5, 6 |
| EU-type examination certificate | BASEEFA 13 ATEX 0080 |
| Display elements | LEDs |
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