Phoenix Contact MACX MCR-EX-SL-2NAM-RO 2-Channel Ex i NAMUR Isolating Amplifier 24V DC Gray

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Phoenix Contact MACX MCR-EX-SL-2NAM-RO 2-Channel Ex i NAMUR Isolating Amplifier 24V DC Gray

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Product Information

Stock Code 2865476
GTIN
Stock status: In stock

priced individually

Net price: £221.52

Gross price

£265.82

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Two-channel Ex i isolating switch amplifier from Phoenix Contact’s MACX Analog range. Mounts on NS 357.5 DIN rail. Designed for NAMUR proximity sensors, floating contacts, and resistance-circuit switches in hazardous areas — transmits signals via relay N/O contacts to the safe area.

3-way isolation between input, output, and supply. Line fault detection (LFD) for both line break and short circuit, configurable via DIP switch. SIL 2 rated per IEC 61508. ATEX and IECEx certified for [Ex ia Ga] IIC, [Ex ia Da] IIIC, and Ex ec [ia Ga] nC IIC T4 Gc.

  • Supply: 24 V DC (19.2–30 V DC range), max 35 mA
  • Outputs: 1 N/O relay contact per channel — 2 A at 30 V DC, 2 A at 250 V AC
  • Conductor cross-section: 0.2–2.5 mm² (24–14 AWG), screw connection M3
  • Operating temp: -40 °C to +60 °C
  • IP20, 12.5 mm wide
Specifications

Number of Channels

2

Input Type

NAMUR (IEC/EN 60947-5-6), floating switch contacts, switch contacts with resistance circuit

Output Type

1 N/O relay contact per channel

Contact Material

AgSnO2, hard gold-plated

Nominal Supply Voltage

24 V DC -20 % ... +25 %

Supply Voltage Range

19.2 V DC ... 30 V DC

Max. Current Consumption

35 mA (24 V DC)

Power Dissipation

< 1 W

Max. Switching Voltage (250 V AC)

2 A

Max. Switching Voltage (30 V DC)

2 A

Max. Switching Voltage (120 V DC)

0.2 A

Max. Switching Power

500 VA

Switching Frequency

≤ 20 Hz (without load)

Open-Circuit Voltage

8 V DC

Short-Circuit Current

8 mA

LFD Line Break

< 0.05 mA ... 0.35 mA

LFD Short Circuit

< 100 Ω ... 360 Ω

Electrical Isolation

3-way isolation

Rated Insulation Voltage (Input/Output)

375 VPP (IEC/EN 60079-11)

Test Voltage

2.5 kV AC (50 Hz, 60 s)

Max. Internal Capacitance Ci

11 nF

Max. Output Voltage Uo

9.6 V

Max. Output Current Io

10 mA

Max. Output Power Po

25 mW

Safety-Related Maximum Voltage Um

253 V AC / 125 V DC

Safety Integrity Level (SIL)

2 (IEC 61508)

Systematic Capability

3

ATEX Identification

II (1) G [Ex ia Ga] IIC, II (1) D [Ex ia Da] IIIC, II 3 (1) G Ex ec [ia Ga] nC IIC T4 Gc, I (M1) [Ex ia Ma] I

ATEX Certificate

IBExU 07 ATEX 1069 X

IECEx Certificate

IECEx IBE 08.0001X

Connection Method

Screw connection

Screw Thread

M3

Tightening Torque

0.5 Nm ... 0.6 Nm

Conductor Cross-Section (Rigid/Flexible)

0.2 mm² ... 2.5 mm²

Conductor Cross-Section AWG

24 ... 14

Stripping Length

7 mm

Mounting Type

DIN rail NS 35/7.5 (EN 60715)

Degree of Protection

IP20

Ambient Temperature (Operation)

-40 °C ... 60 °C (any mounting position)

Ambient Temperature (Storage/Transport)

-40 °C ... 80 °C

Permissible Humidity (Operation)

10 % ... 95 % (non-condensing)

Width

12.5 mm

Height

112.5 mm

Depth

113.7 mm

Depth on NS 35/7.5

114.5 mm

Housing Material

PA 6.6-FR

Flammability Rating

UL 94 V0

Color

Gray (RAL 7042)

Configuration

DIP switches

Status Display

Green LED (supply voltage), Yellow LED (switching state), Red LED (line errors)

Phoenix Contact