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The Switch Amplifier is a 2-channel isolated barrier designed for reliable signal processing in hazardous environments. It supports a 24 V DC supply and accommodates both dry contact and NAMUR inputs, ensuring versatile connectivity for various applications.
The Switch Amplifier serves as a critical component in the realm of intrinsic safety barriers, which are essential for protecting electrical circuits in potentially explosive atmospheres. These devices are engineered to isolate and amplify signals from sensors and switches while preventing the transmission of hazardous energy into the classified areas. With a housing width of only 12.5 mm, this amplifier is compact yet robust, making it suitable for installation in limited space environments.
Common applications for the Switch Amplifier include industrial automation, process control, and safety monitoring systems, where reliability and safety are paramount. The device features relay contact outputs and line fault detection (LFD), which enhances operational safety and ensures consistent performance. Additionally, the Switch Amplifier complies with SIL 2 requirements according to IEC 61508, making it an ideal choice for applications that require a high level of safety integrity.
| Power dissipation | 600 mW |
| Connection side | control side |
| Labeling | space for labeling at the front |
| Output I | signal ; relay |
| Connection | screw terminals |
| Power consumption | 600 mW |
| Open circuit voltage/short-circuit current | approx. 10 V DC / approx. 8 mA |
| Mass | approx. 100 g |
| Mechanical life | 107 switching cycles |
| Connection | terminals 5, 6; 7, 8 |
| Switching frequency | 10 Hz |
| EU-Type Examination Certificate | BASEEFA 06 ATEX 0092 |
| Connection | Power Rail or terminals 9+, 10- |
| Connection | terminals 1+, 2-; 3+, 4- |
| Energized/De-energized delay | 20 ms / 20 ms |
| Output II | signal ; relay |
| Signal type | Digital Input |
| Display elements | LEDs |
| Degree of protection | IP20 |
| Safety Integrity Level (SIL) | SIL 2 |
| Rated values | acc. to EN 60947-5-6 (NAMUR) |
| Input/input | Basic insulation according to EN 50178, rated insulation voltage 300 Veff |
| Line fault detection | breakage I 0.1 mA , short-circuit I 6.5 mA |
| Degree of protection | IEC 60529:2001 |
| Electromagnetic compatibility | NE 21 |
| IECEx approval | IECEx BAS 06.0025 |
| Rated voltage | 19 … 30 V DC |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Control elements | DIP-switch |
| Certificate | PF 06 CERT 0972 X |
| Connection side | field side |
| Configuration | via DIP switches |
| Contact loading | 253 V AC/2 A/cos andphi; > 0.7; 126.5 V AC/4 A/cos andphi; > 0.7; 30 V DC/2 A resistive load |
| Pulse/Pause ratio | min. 20 ms / min. 20 ms |
| Dimensions | 12.5 x 114 x 119 mm (0.5 x 4.5 x 4.7 inch) , housing type A2 |
| Rated current | 30 mA |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Switching point/switching hysteresis | 1.2 … 2.1 mA / approx. 0.2 mA |
| Minimum switch current | 2 mA / 24 V DC |
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