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Phoenix Contact 2865434 Isolation Amplifier

The Phoenix Contact MACX MCR-EX-SL-NAM-R is a robust isolation amplifier specifically engineered for hazardous environments. It facilitates the transmission of signals from proximity sensors and switches to safe areas while providing critical safety features. Key functionalities include SIL 2 certification for enhanced safety, line fault detection (LFD) for proactive error identification, and 3-way electrical isolation to protect circuits. The amplifier supports installation in zone 2 and offers a relay output (PDT contact) for signal transmission. Its versatility extends to various industrial applications requiring reliable and safe signal conditioning in potentially explosive atmospheres.

Authorized Distributors
Source:DigiKey
Part No:2865434
Stock:9
Inv Date:05-28-2026
Price: Unit price: $204.32
Buy/RFQ:
Part No:2865434
Stock:0
Inv Date:05-29-2026
Price: Unit price: $212.49
Buy/RFQ:
Part No:2865434
Stock:10
Inv Date:05-28-2026
Price: Unit price: $224.62
Buy/RFQ:

Phoenix Contact 2865434 Isolation Amplifier Specifications:

  • Packing unit: 1 pc
  • Weight per Piece (excluding packing): 165.8 g
  • Custom tariff number: 85437090
  • Country of origin: Germany
  • Width: 12.5 mm
  • Height: 99 mm
  • Depth: 114.5 mm
  • Ambient temperature (operation): -20 °C ... 60 °C
  • Ambient temperature (storage/transport): -40 °C ... 85 °C
  • Maximum altitude: ≤ 2000 m
  • Permissible humidity (operation): 10 % ... 95 %
  • Noise immunity: EN 61000-6-2 EN 61326
  • Degree of protection: IP20
  • Non-load voltage: ~ 8 V DC
  • Switching points (attenuated): < 1.2 mA
  • Switching points (unattenuated): > 2.1 mA
  • Switching output: Relay output
  • Contact type: 1 PDT
  • Contact material: AgSnO2, hard gold-plated
  • Maximum switching voltage (AC): 250 V
  • Maximum switching voltage (DC): 120 V / 30 V
  • Maximum switching capacity: 500 VA
  • Mechanical service life: 10 7 cycles
  • Nominal supply voltage: 24 V DC
  • Supply voltage range: 19.2 V DC ... 30 V DC
  • Max. current consumption: 21 mA
  • Power consumption: < 650 mW
  • Conductor cross section solid min.: 0.2 mm²
  • Conductor cross section solid max.: 2.5 mm²
  • Conductor cross section flexible min.: 0.2 mm²
  • Conductor cross section flexible max.: 2.5 mm²
  • Conductor cross section AWG min.: 24
  • Conductor cross section AWG max.: 14
  • Stripping length: 7 mm
  • Screw thread: M3
  • Connection method: Screw connection
  • Tightening torque, min: 0.5 Nm
  • Tightening torque max: 0.6 Nm
  • No. of channels: 1
  • Status display: Green LED (supply voltage), LED yellow (switching state), Red LED (line errors)
  • Flammability rating according to UL 94: V0
  • Degree of pollution: 2
  • Overvoltage category: II
  • Housing material: PA 66-FR
  • Color: green
  • Designation (Input/output): Input/output
  • Electrical isolation (Peak value): 375 V
  • Electrical isolation (Rated insulation voltage): 300 Vrms
  • Electrical isolation (Test voltage): 2.5 kV
  • Designation (Output/input/supply): Output/input, supply, TBUS
  • Conformance: CE-compliant, additionally EN 61326
  • ATEX: II (1) G [Ex ia Ga] IIC, II (1) D [Ex ia Da] IIIC
  • IECEx: [Ex ia Ga] IIC, [Ex ia Da] IIIC, Ex nA nC IIC T4 Gc
  • UL, USA / Canada: Class I Div 2; IS for Class I, II, III Div 1
  • Integrity requirement: IEC 61508 - Low demand
  • Safety Integrity Level (SIL): Up to 2
  • Safe Failure Fraction (SFF): 78 %
  • λSU: 2.49 x 10-7
  • λSD: 6 x 10-9
  • λDU: 6.4 x 10-8
  • λDD: 7 x 10-9
  • Probability of a hazardous failure on demand (PFDAVG): 3.09 x 10-4 (1 year), 6.17 x 10-4 (2 years), 1.54 x 10-3 (5 years)
  • Diagnostic coverage (DC): DCS= 2.4%, DCD= 9%

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Frequently Asked Questions

Where can I buy Phoenix Contact 2865434?

You can click on the BUY or RFQ button to purchase 2865434 from an authorized Phoenix Contact distributor.

How do I troubleshoot issues or seek technical support for part 2865434?

You can download the 2865434 datasheet or visit the Phoenix Contact website for support.

Who is the manufacturer of 2865434?

Phoenix Contact

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