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- 1-channel isolated barrier
- 24 V DC supply (Power Rail)
- Dry contact or NAMUR inputs
- Relay contact output
- Line fault detection (LFD)
- Housing width 12.5 mm
- Up to SIL 2 (SC 3) acc. to IEC/EN 61508
The Switch Amplifier from Pepperl+Fuchs is designed to provide a reliable and safe interface between field devices and control systems in hazardous environments. This isolated barrier is particularly well-suited for applications where intrinsic safety is paramount, ensuring that devices operate safely in explosive atmospheres. The device offers compatibility with dry contact and NAMUR inputs, making it versatile for various operational needs.
With a compact housing width of just 12.5 mm, the Switch Amplifier is ideal for installation in space-constrained environments. Its ability to provide a 24 V DC supply via a Power Rail enhances its functionality, while the relay contact output allows for seamless integration into existing control architectures. In addition, the line fault detection (LFD) feature provides an added layer of safety by monitoring the integrity of the system and alerting users in the event of a fault.
| Signal type | Digital Input | |
| Safety Integrity Level (SIL) | SIL 2 | |
| Systematic capability (SC) | SC 3 | |
| Connection | Power Rail or terminals 9+, 10- | |
| Rated voltage | 19 … 30 V DC | |
| Ripple | ‰¦ 10 % | |
| Rated current | ‰¦ 29 mA | |
| Power dissipation | ‰¦ 600 mW | |
| Power consumption | ‰¦ 600 mW | |
| Connection side | field side | |
| Connection | terminals 1+, 2- | |
| Rated values | acc. to EN 60947-5-6 (NAMUR) | |
| Open circuit voltage/short-circuit current | approx. 8 V DC / approx. 8 mA | |
| Switching point/switching hysteresis | 1.2 … 2.1 mA / approx. 0.2 mA | |
| Line fault detection | breakage I ‰¦ 0.1 mA , short-circuit I ‰§ 6.5 mA | |
| Pulse/Pause ratio | min. 20 ms / min. 20 ms | |
| Connection side | control side | |
| Connection | terminals 5, 6 | |
| Output I | signal ; relay | |
| Contact loading | 250 V AC/2 A/cos φ > 0.75; 126.5 V AC/4 A/cos φ > 0.75; 30 V DC/2 A resistive load | |
| Minimum switch current | 2 mA / 24 V DC | |
| Energized/De-energized delay | ‰¦ 20 ms / ‰¦ 20 ms | |
| Mechanical life | 107 switching cycles | |
| Switching frequency | ‰¦ 10 Hz | |
| Input/Output | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff | |
| Input/power supply | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff | |
| Output/power supply | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff | |
| Display elements | LEDs | |
| Control elements | DIP switch | |
| Configuration | via DIP switches | |
| Labeling | space for labeling at the front | |
| Electromagnetic compatibility | ||
| Directive 2014/30/EU | EN 61326-1:2013 (industrial locations) | |
| Low voltage | ||
| Directive 2014/35/EU | EN 61010-1:2010+A1:2019+A1:2019/AC:2019 | |
| Electromagnetic compatibility | NE 21:2017 , EN 61326-3-1:2017 , EN IEC 61326-3-2:2018 | |
| Degree of protection | IEC 60529:1989+A1:1999+A2:2013 | |
| Functional safety | IEC/EN 61508:2010 | |
| Input | EN 60947-5-6:2000 | |
| Ambient temperature | -40 … 70 °C (-40 … 158 °F) | |
| Degree of protection | IP20 | |
| Connection | screw terminals | |
| Mass | approx. 100 g | |
| Dimensions | 12.5 x 119 x 114 mm (0.5 x 4.7 x 4.5 inch) (W x H x D) , housing type A2 | |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 | |
| EU-type examination certificate | BASEEFA 06 ATEX 0092 X | |
| Marking | II 3(1)G Ex ec nC [ia Ga] IIC T4 Gc , II (1)D [Ex ia Da] IIIC , I (M1) [Ex ia Ma] I |
|
| Input | Ex ia | |
| Voltage | 10.5 V | |
| Current | 13 mA | |
| Power | 34 mW (linear characteristic) | |
| Supply | ||
| Maximum safe voltage | 253 V AC (Attention! Um is no rated voltage.) | |
| Output | ||
| Contact loading | Zone 2 : 50 V AC/2 A/cos φ > 0.75; 30 V DC/2 A resistive load | |
| Maximum safe voltage | 253 V AC (Attention! The rated voltage can be lower.) | |
| Fault indication output | ||
| Maximum safe voltage | 40 V DC (Attention! Um is no rated voltage.) | |
| Galvanic isolation | ||
| Input/Output | safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V | |
| Input/power supply | safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V | |
| Directive conformity | ||
| Directive 2014/34/EU | EN IEC 60079-0:2018 , EN 60079-7:2015+A1:2018 , EN 60079-11:2012 , EN IEC 60079-15:2019 | |
| UL approval | E106378 | |
| Control drawing | 116-0477 (cULus) | |
| IECEx approval | ||
| IECEx certificate | IECEx BAS 06.0025 X | |
| IECEx marking | Ex ec nC [ia Ga] IIC T4 Gc [Ex ia Da] IIIC [Ex ia Ma] I |
|
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. | |
| ECLASS 13.0 | 27210121 | |
| ECLASS 12.0 | 27210121 | |
| ECLASS 11.0 | 27210121 | |
| ECLASS 10.0.1 | 27210121 | |
| ECLASS 9.0 | 27210121 | |
| ECLASS 8.0 | 27210121 | |
| ECLASS 5.1 | 27210121 | |
| ETIM 9.0 | EC001485 | |
| ETIM 8.0 | EC001485 | |
| ETIM 7.0 | EC001485 | |
| ETIM 6.0 | EC001485 | |
| ETIM 5.0 | EC001485 | |
| UNSPSC 12.1 | 32101514 | |
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