Pepperl+Fuchs KFD2-SRA-Ex4
Switch Amplifier
- 4-channel isolated barrier
- 24 V DC supply (Power Rail)
- Dry contact or NAMUR inputs
- 50 % less wiring, 2:1 technology
- Relay contact output
- Line fault detection (LFD)
- Reversible mode of operation
Item Number:
KFD2-SRA-Ex4
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- Overview
- Comments
Ripple10 %
| Rated values | acc. to EN 60947-5-6 (NAMUR), see system description for electrical data |
| Line fault detection | breakage I 0.15 mA , short-circuit I > 6 mA |
| Optional accessories | - power feed module KFD2-EB2(.R4A.B)(.SP) - universal power rail UPR-03(-M)(-S) - profile rail K-DUCT-BU(-UPR-03) - terminal module F-KD-Ex2 - terminal module F-KDR-Ex2 |
| Display elements | LEDs |
| Power dissipation | 1.2 W |
| Mechanical life | 5 x 106 switching cycles |
| Control elements | DIP-switch |
| Input | EN 60947-5-6:2000 |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Signal type | Digital Input |
| Dimensions | 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2 |
| Energized/De-energized delay | approx. 30 ms / approx. 30 ms |
| Connection | output I: terminals 7, 8 ; output II: terminals 8, 9 ; output III: terminals 10, 11 ; output IV: terminals 11, 12 |
| Electromagnetic compatibility | NE 21:2006 |
| Output/Output | basic insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Degree of protection | IEC 60529:2001 |
| Rated current | 45 ... 70 mA |
| Connection | Power Rail or terminals 14+, 15- |
| Connection side | control side |
| Input/Output | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Degree of protection | IP20 |
| Mass | approx. 150 g |
| Open circuit voltage/short-circuit current | approx. 8 V DC / approx. 8 mA |
| Input/power supply | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Output I ... IV | Signal I ... Signal IV ; relay |
| Ambient temperature | -20 ... 60 В°C (-4 ... 140 В°F) |
| Connection side | field side |
| Switching frequency | 10 Hz (non-AC operation) 3 Hz (AC operation) |
| Contact loading | 253 V AC/2 A /cos andphi; > 0.7; 40 V DC/2 A resistive load; |
| Connection | screw terminals |
| Configuration | via DIP switches |
| Switching point/switching hysteresis | 1.2 ... 2.1 mA / approx. 0.2 mA |
| Pulse/Pause ratio | min. 35 ms / min. 35 ms (non-AC operation) min. 70 ms / min. 70 ms (AC operation) |
| Collective error message | Power Rail |
| IECEx approval | IECEx TUN 04.0003 |
| Rated voltage | 19 ... 30 V DC |
| Labeling | space for labeling at the front |
| EU-Type Examination Certificate | ZELM 99 ATEX 0009 |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Output/power supply | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Connection | terminals 1-, 2+, 3-; 4-, 5+, 6- |
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