Pepperl+Fuchs KFD2-SR2-Ex1.W

Switch Amplifier
SKU: KFD2-SR2-Ex1.W
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  • 1-channel isolated barrier
  • 24 V DC supply (Power Rail)
All description
Manufacturer: Pepperl+Fuchs
Description:

The Switch Amplifier from Pepperl+Fuchs is designed to ensure safe and reliable operation in hazardous environments. As part of the Intrinsic Safety Barriers product family, this device provides essential isolation and signal amplification for various industrial applications, where safety is a paramount concern. It is particularly suited for use in environments classified as hazardous due to the presence of flammable gases or dust.

This 1-channel isolated barrier operates with a standard 24 V DC supply and is capable of interfacing with various field devices, facilitating the safe transmission of signals from the field to control systems. Common applications include process automation, monitoring, and control systems in sectors such as oil and gas, chemicals, and pharmaceuticals, where maintaining the integrity of the signal while ensuring safety is critical.

Electromagnetic compatibility

NE 21:2006

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

Output

signal ; relay

Output/power supply

reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff

Certificate

PF 08 CERT 0803

Switching frequency

< 10 Hz

Rated values

acc. to EN 60947-5-6 (NAMUR)

Input/power supply

reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff

Connection

terminals 1+, 2+, 3-

Dimensions

20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2

Power dissipation

0.7 W

Labeling

space for labeling at the front

Energized/De-energized delay

approx. 20 ms / approx. 20 ms

Input

Ex ic

Open circuit voltage/short-circuit current

approx. 8 V DC / approx. 8 mA

Power consumption

< 0.9 W

Input

EN 60947-5-6:2000

Connection

screw terminals

Minimum switch current

2 mA / 24 V DC

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

Connection

terminals 7, 8, 9

Connection side

field side

Mechanical life

107 switching cycles

Switching point/switching hysteresis

1.2 … 2.1 mA / approx. 0.2 mA

Degree of protection

IP20

Connection

Power Rail or terminals 14+, 15-

Connection side

control side

Signal type

Digital Input

IECEx approval

IECEx PTB 11.0034

Mass

approx. 150 g

Control elements

DIP-switch

Ripple

≤ 10 %

EU-type examination certificate

PTB 00 ATEX 2080

Certificate

V 99 ATEX 1493 X

Input/Output

reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff

Degree of protection

IEC 60529:2001

Display elements

LEDs

Safety Integrity Level (SIL)

SIL 2

Mounting

on 35 mm DIN mounting rail acc. to EN 60715:2001

Rated voltage

20 … 30 V DC

Rated current

≤ 30 mA

Ambient temperature

-20 … 60 °C (-4 … 140 °F)

Configuration

via DIP switches

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