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KFD2-SR2-EX2.W - 

Isolated Switch Amplifier, KFD2 Series, 2 Channel, Digital Input, Relay Output, 24 Vdc

KFD2-SR2-EX2.W - Isolated Switch Amplifier, KFD2 Series, 2 Channel, Digital Input, Relay Output, 24 Vdc

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Manufacturer Part No:
KFD2-SR2-EX2.W
Newark Part No.:
81C8243
Technical Datasheet:
(EN)
See all Technical Docs

Product Information

:
Current, Voltage
:
Relay
:
2
:
-
:
KFD2 Series
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Product Overview

The KFD2-SR2-EX2.W is a 2-channel isolated Switch Amplifier for intrinsic safety applications. It transfers digital signals (NAMUR sensors/mechanical contacts) from a hazardous area to a safe area. The proximity sensor or switch controls a form C changeover relay contact for the safe area load. The normal output state can be reversed using switches S1 and S2. Switch S3 is used to enable or disable line fault detection of the field circuit. During an error condition, the relays revert to their de-energized state and the LEDs indicate the fault according to NAMUR NE44. An unique collective error messaging feature is available when used with the power rail system.
  • 24VDC Supply voltage
  • Dry contact or NAMUR inputs
  • Relay contact output
  • Line fault detection (LFD)
  • Reversible mode of operation
  • Up to SIL2 according to IEC 61508

Applications

Automation & Process Control

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