Pepperl+Fuchs KFA6-SR2-Ex2.W

Switch Amplifier
SKU: KFA6-SR2-Ex2.W
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The Switch Amplifier is a 2-channel isolated barrier designed for use in intrinsically safe applications. It supports a 230 V AC supply and accommodates both dry contact and NAMUR inputs, making it versatile for various industrial settings.

All description
Manufacturer: Pepperl+Fuchs
Description:

The Switch Amplifier is a crucial component in the realm of process automation and safety. This device operates by isolating intrinsic safety circuits, thereby ensuring secure signal transmission in hazardous environments. With its dual-channel configuration, it allows for efficient monitoring and control of field devices while maintaining signal integrity.

Common applications of the Switch Amplifier include the integration of sensors and actuators in explosive atmospheres where safety is paramount. Its relay contact output provides reliable switching capabilities, while the line fault detection (LFD) feature enhances operational safety by identifying potential faults in the system. Furthermore, the reversible mode of operation allows for flexibility in various configurations, making this device suitable for a wide range of industrial processes.

Rated voltage 207 … 253 V AC, 45 … 65 Hz
Output I, II signal ; relay
Mechanical life 107 switching cycles
Switching frequency 10 Hz
Pulse/Pause ratio min. 20 ms / min. 20 ms
Degree of protection IEC 60529:2001
Degree of protection IP20
Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001
Connection side control side
Power dissipation 1.2 W
Dimensions 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2
Safety Integrity Level (SIL) SIL 2
Open circuit voltage/short-circuit current approx. 8 V DC / approx. 8 mA
Output/Output reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Rated values acc. to EN 60947-5-6 (NAMUR)
Input EN 60947-5-6:2000
IECEx approval IECEx PTB 11.0031
Mass approx. 150 g
Output/power supply reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Connection output I: terminals 7, 8, 9 ; output II: terminals 10, 11, 12
Input/Output reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Contact loading 253 V AC/2 A/cos andphi; > 0.7; 126.5 V AC/4 A/cos andphi; > 0.7; 40 V DC/2 A resistive load
Energized/De-energized delay approx. 20 ms / approx. 20 ms
Connection side field side
Connection terminals 1+, 2+, 3-; 4+, 5+, 6-
Supplementary information Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.
Line fault detection breakage I 0.1 mA , short-circuit I > 6 mA
Power consumption max. 1.3 W
Ambient temperature -20 … 60 °C (-4 … 140 °F)
Connection terminals 14, 15
Input/power supply reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Electromagnetic compatibility NE 21:2006
Signal type Digital Input
Labeling space for labeling at the front
Connection screw terminals
Switching point/switching hysteresis 1.2 … 2.1 mA / approx. 0.2 mA
EU-Type Examination Certificate PTB 00 ATEX 2081
Display elements LEDs
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