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HIMA K9203 996920302
HIMA K9203 996920302
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KUKA KCP2 00-130-547
KUKA KCP2 00-130-547

Pepperl+Fuchs KCD2-SR-EX2

Product Introduction:​
The KCD2-SR-EX2 is a DIN-rail mounted isolated barrier for connecting NAMUR proximity switches or dry contacts from hazardous areas (Zone 0/1) to a safe-area control system. It energizes relay contact outputs in the non-hazardous area corresponding to the field switch state and provides Line Fault Detection (LFD).
Category:
Description
Technical Specifications:
  • Manufacturer:​ Pepperl+Fuchs GmbH
  • Model:​ KCD2-SR-Ex2 (K-System, 2-channel)
  • Signal Type:​ Digital Input (NAMUR EN 60947-5-6or dry contact)
  • Input Terminals:​ 1+,2- ; 3+,4- (field side)
  • Output:​ 2 form-C relay contacts (terminals 5,6 and 7,8), rated 250 V AC / 2 A or 30 V DC / 2 A resistive
  • Supply:​ 19–30 V DC via Power Rail or terminals 9+, 10-
  • Current Consumption:​ ≤ 46 mA
  • Power Dissipation:​ ≤ 900 mW
  • Switching Point (NAMUR):​ 1.2–2.1 mA; Hysteresis ≈ 0.2 mA
  • Line Fault Detection (LFD):​ Wire break I ≤ 0.1 mA; Short circuit I ≥ 6.5 mA
  • Response Time:​ ≤ 20 ms energize/de-energize
  • Safety:​ SIL 2 (SC 3) per IEC/EN 61508
  • Hazardous Area Certification:​ ATEX/IECEx – Ex ia IIC T4 Ga/Gb; Ex nA IIC T4 Gc for Div. 2
  • Um (max safe voltage):​ 253 V AC
  • Galvanic Isolation:​ Reinforced insulation 300 V eff (input/output, input/power, output/power)
  • Housing Width:​ 12.5 mm (Type A2)
  • Dimensions (W×H×D):​ 12.5 × 119 × 114 mm
  • Mounting:​ 35 mm DIN rail per EN 60715
  • Ambient Temp:​ -40 °C to +70 °C
  • Protection:​ IP20
  • Indicators:​ Green Power LED, Yellow Status LEDs per channel
Functional Features:
  • Dual-channel independent operation
  • LFD detects open wire or short in sensor cable
  • Relay outputs suitable for PLC discrete inputs
  • DIP switch for configuration options
Construction Material:
  • Gray self-extinguishing polyamide (UL94-V0) housing
  • Nickel-plated brass terminals
  • Tinned copper spring contacts
Installation Notes:
  • Mount on DIN rail; use Power Rail or separate 24 V DC supply
  • Ensure barrier is installed in Zone 2 / safe area only
  • Do not exceed Vo/Io/Po limits for connected Ex i field device
  • Separate intrinsically safe and non-intrinsically safe wiring in trunking
Applications:​ Oil & gas, chemical plants, pharmaceutical — connecting NAMUR sensors or mechanical contacts in explosive atmospheres to DCS/PLC digital inputs.
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