Isolation amplifier - MACX MCR-EX-SL-NAM-R - 2865434

Ex i NAMUR isolating amplifier For operating proximity sensors and switches in Ex areas. The signals are transmitted via a relay output (PDT contact) to the safe area. Line fault detection (LFD), 3-way isolation, SIL 2.



Technical data




Your advantages

  • Power supply and error indication possible via DIN rail connector
  • Installation in zone 2, protection type "n" (EN 60079-15) permitted
  • Up to SIL 2 according to EN 61508
  • Line fault detection (LFD), can be activated/deactivated, error indicated by red flashing LED with de-excitation of output relay
  • 3-way electrical isolation
  • LED indicators for supply voltage, switching state, and malfunction according to NAMUR NE 44
  • Relay signal output (PDT)
  • Input for NAMUR proximity sensors (EN 60947-5-6), floating contacts or contacts with resistance circuit, [Ex ia] IIC
  • Direction of operation can be selected (operating or closed circuit current behavior)
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Key Commercial Data

Orderkey 2865434
Packing unit 1 pc
Catalog page Page 151 (C-5-2017)
GTIN 4046356160445
Weight per Piece (excluding packing) 165.800 g
Custom tariff number 85437090
Country of origin DE (Germany)


586 Fulling Mill Road
Middletown, PA 17057
(800) 888-7388

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