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pepperl-fuchs KFD2-SR2-EX2.W Switch Amplifier Relay

Description

Brand: Pepperl+Fuchs
Part No.: KFD2-SR2-EX2.W
Switch amplifier with relay output, 2-channel isolated barrier (K-System range)
Power supply: 24 VDC via Power Rail or terminals (rated voltage: 20…30 VDC)
Input type: NAMUR sensors or dry contact (mechanical contacts)
Input rated values: per EN 60947-5-6 (NAMUR)
Open circuit voltage / short-circuit current: approx. 8 VDC / approx. 8 mA
Switching point / hysteresis: 1.2…2.1 mA / approx. 0.2 mA
Output: Form C changeover relay contact (signal relay), 2 outputs
Output terminals: Output I (7, 8, 9) / Output II (10, 11, 12)
Relay contact loading: 253 VAC/2A (cosφ > 0.7) / 40 VDC/2A resistive
Energised/de-energised delay: approx. 20 ms / approx. 20 ms
Mechanical relay life: 10⁷ switching cycles
Switching frequency: ≤ 10 Hz
Reversible output mode via DIP switches S1 and S2
Line fault detection (LFD) enable/disable via switch S3
Line fault detection: wire breakage (I = 0.1 mA) / short-circuit (I > 6 mA)
LED indicators for status and fault indication per NAMUR NE44
Collective error messaging when used with Power Rail system
Safety rating: up to SIL2 per IEC 61508
Electrical isolation: reinforced insulation per IEC 61140, rated 300 Veff (output/supply and output/output)
Input/output and input/supply isolation: safe electrical isolation per IEC/EN 60079-11 (375 V peak)
Power consumption: < 1.3 W / Power loss: 1 W / Rated current: ≤ 50 mA
Ambient temperature: -20…+60°C
Protection rating: IP20
Housing type B2, dimensions: 20 mm (W) x 119 mm (H) x 115 mm (D)
Weight: approx. 150 g
Connection: screw terminals
DIN rail mounting: 35 mm
ETIM Class: NAMUR switching amplifier / ETIM Group: Sensors
ATEX certified: II (1)G [Ex ia] IIC / II (1)D [Ex ia] IIIC (EC-Type: PTB 00 ATEX 2080)

pepperl-fuchs KFD2-SR2-EX2.W Switch Amplifier Relay

Description

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