Out of stock
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1-channel isolated barrier
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24 V DC supply (Power Rail)
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Dry contact or NAMUR inputs
The Switch Amplifier from Pepperl+Fuchs is a critical component in the family of intrinsic safety barriers designed to ensure safe operation in hazardous environments. These devices provide a reliable means of isolating and protecting control circuits from potential electrical hazards, thereby facilitating the integration of field devices into control systems without compromising safety.
Common applications for the Switch Amplifier include use in industrial automation, process control, and safety-critical systems where the operation of sensors and actuators must be maintained in potentially explosive atmospheres. The device supports both dry contact and NAMUR inputs, allowing for versatility in the types of sensors that can be used, while the 24 V DC supply option ensures compatibility with standard power rail configurations.
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EU-type examination certificate |
PTB 00 ATEX 2080 |
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Open circuit voltage/short-circuit current |
approx. 8 V DC / approx. 8 mA |
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Certificate |
PF 08 CERT 0803 |
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Minimum switch current |
2 mA / 24 V DC |
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Energized/De-energized delay |
approx. 20 ms / approx. 20 ms |
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Configuration |
via DIP switches |
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Power dissipation |
1 W |
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Output/power supply |
reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
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Pulse/Pause ratio |
min. 20 ms / min. 20 ms |
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Mechanical life |
107 switching cycles |
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Connection side |
control side |
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Connection |
screw terminals |
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Degree of protection |
IEC 60529:2001 |
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Connection |
Power Rail or terminals 14+, 15- |
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Electromagnetic compatibility |
NE 21:2006 |
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Optional accessories |
– power feed module KFD2-EB2(.R4A.B)(.SP) – universal power rail UPR-03(-M)(-S) – profile rail K-DUCT-BU(-UPR-03) |
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Input/Output |
reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
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Rated values |
acc. to EN 60947-5-6 (NAMUR) |
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Degree of protection |
IP20 |
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Line fault detection |
breakage I ≤ 0.1 mA , short-circuit I > 6 mA |
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Switching frequency |
≤ 10 Hz |
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Input/power supply |
reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
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Connection |
output I: terminals 7, 8, 9 ; output II: terminals 10, 11, 12 |
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Connection side |
field side |
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Switching point/switching hysteresis |
1.2 … 2.1 mA / approx. 0.2 mA |
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Output II |
signal or error message ; relay |
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Ripple |
≤ 10 % |
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Contact loading |
253 V AC/2 A/cos φ > 0.7; 126.5 V AC/4 A/cos φ > 0.7; 40 V DC/2 A resistive load |
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Dimensions |
20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2 |
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Display elements |
LEDs |
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Connection |
terminals 1+, 2+, 3- |
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Input |
EN 60947-5-6:2000 |
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Power consumption |
< 1.3 W |
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Safety Integrity Level (SIL) |
SIL 2 |
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Signal type |
Digital Input |
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Certificate |
TV 99 ATEX 1493 X |
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Input |
Ex ic |
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Rated voltage |
20 … 30 V DC |
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Ambient temperature |
-20 … 60 °C (-4 … 140 °F) |
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IECEx approval |
IECEx PTB 11.0034 |
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Supplementary information |
Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
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Output/Output |
reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
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Labeling |
space for labeling at the front |
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Mass |
approx. 150 g |
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Output I |
signal ; relay |
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Control elements |
DIP-switch |
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Rated current |
≤ 50 mA |
Currently, the goods have no revocation.
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