$ 206.54
Ensure safe NAMUR sensor operation in hazardous zones with the Phoenix Contact MACX MCR-EX-SL-NAM-2RO isolation amplifier, SIL 2 certified and reliable.
The Phoenix Contact MACX MCR-EX-SL-NAM-2RO isolation amplifier is a compact and dependable device developed to operate NAMUR proximity sensors and switches within hazardous areas. It transfers signals securely into safe zones through two relay outputs while maintaining strict safety standards. With features such as three-way isolation, selectable operating modes, and integrated fault detection, the unit provides both reliability and flexibility. Designed for DIN rail installation, it supports safe signal handling in industries where explosion protection and compliance with international standards are essential.
Engineered for demanding environments, the MACX MCR-EX-SL-NAM-2RO enhances process safety by combining advanced protection functions with simple operation. Status LEDs enable fast condition monitoring, while DIP switch settings allow tailored configuration for specific applications. Its intrinsically safe input circuits protect connected NAMUR sensors, helping to reduce downtime and extend equipment life. Dual relay outputs add flexibility for integrating alarms or error messages directly into control systems. Built for a broad operating temperature range and backed by global approvals, this amplifier is a trusted choice in industries such as chemical processing, energy, and manufacturing where consistent performance and safety cannot be compromised.
The MACX MCR-EX-SL-NAM-2RO stands out because it combines compact design, advanced safety, and user-friendly configuration in one solution. It offers three-way isolation, configurable DIP switches, and two relay outputs, one of which can be assigned for error signaling. This flexibility makes it a versatile tool for engineers who need both safety integrity and simple integration. With multiple certifications and robust build quality, it ensures confidence in installations across global industrial sectors.
In hazardous environments, transmitting sensor signals safely to control systems is a major challenge. The MACX MCR-EX-SL-NAM-2RO solves this by providing intrinsically safe inputs for NAMUR sensors and relaying them securely to safe areas without compromising reliability. Its integrated fault detection reduces the risk of unnoticed wiring issues, while SIL 2 compliance supports safety-critical processes. The result is smoother operation, reduced downtime, and guaranteed protection in explosive or high-risk industrial zones.
| Feature | Details | Benefit |
|---|---|---|
| Supply Voltage | 24 V DC (19.2…30 V) | Compatible with common industrial power supplies |
| Current Consumption | 30 mA at 24 V DC | Low power demand reduces energy costs |
| Power Dissipation | < 1 W | Efficient performance with minimal heat generation |
| Input Type | NAMUR sensors / floating contacts | Designed for intrinsically safe field devices |
| Relay Outputs | 2 x N/O contacts (AgSnO₂, gold-plated) | Reliable switching and error signaling options |
| Switching Capacity | Up to 250 V AC, 2 A | Handles demanding industrial loads |
| Line Fault Detection (LFD) | Configurable via DIP switches | Detects wiring errors, improving safety |
| Electrical Isolation | 3-way isolation, 2.5 kV test voltage | Enhanced protection between circuits |
| Safety Integrity Level | SIL 2 according to IEC 61508 | Suitable for safety-related applications |
| Mounting | DIN rail (NS 35/7.5) | Quick installation in control cabinets |
| Ambient Temperature | –40 °C to +60 °C (operation) | Reliable in extreme industrial environments |
| Approvals | ATEX, IECEx, UL, CE | Certified for global use in hazardous areas |
| Indicators | LEDs for power, switching, fault | Clear and fast system diagnostics |
Download Phoenix Contact MACX MCR-EX-SL-NAM-2RO 2865450 Datasheet
| Commercial Data | Details |
|---|---|
| GTIN Number | 4046356160476 |
| Tariff / Customs Number | 85365019 |
| Weight (Excluding Packaging) | 140 g |
| Country of Origin | Germany |
Oil and gas operations demand continuous supervision of pumps and valves in areas where sparks could cause explosions. By connecting NAMUR proximity sensors through the MACX MCR-EX-SL-NAM-2RO, signals are securely transmitted to control rooms without risk to the safe zone. The three-way isolation ensures strict separation of hazardous and non-hazardous circuits. Built-in fault detection quickly alerts operators to cable failures, reducing downtime and maintenance costs. With dual relay outputs, one channel can manage control functions while the other is dedicated to alarms, offering reliable operation in demanding conditions.
Treatment plants rely on mixers, agitators, and pumps that must operate consistently to maintain water quality. The MACX amplifier allows intrinsically safe sensors installed in wet or explosive zones to deliver accurate signals to the central system. LED status lights provide clear visibility of power and switching states, helping operators respond quickly if faults occur. The device’s compact DIN rail housing fits easily into crowded control cabinets, while its low power consumption reduces overall energy usage. By providing fault monitoring and flexible configuration, it ensures that critical water treatment processes run smoothly without unexpected interruptions.
Modern manufacturing lines require exact positioning of conveyors, machines, and tooling to maintain product quality. The MACX MCR-EX-SL-NAM-2RO enables NAMUR sensors to safely transmit positioning data from potentially hazardous areas. DIP switch configuration allows engineers to adapt the amplifier to different system requirements, ensuring flexibility in design. With SIL 2 certification, the device contributes to safety integrity while maintaining fast and reliable signal processing. Dual relay outputs enable integration into complex automation schemes, supporting both standard operation and fault reporting. This ensures that production efficiency is maximized without compromising workplace safety or compliance standards.
In pharmaceutical facilities, precise monitoring of valves and actuators is essential to guarantee product consistency and compliance with strict regulations. The MACX MCR-EX-SL-NAM-2RO provides intrinsically safe signal transmission from NAMUR sensors in sensitive or hazardous areas. Its integrated line fault detection identifies issues such as short circuits or cable breaks before they affect production, protecting batch quality. The wide operating temperature range ensures stability even in climate-controlled or sterile environments. With its dual relay design, one output can be used for process control and the other for fault indication, creating a highly reliable control loop that supports uninterrupted pharmaceutical manufacturing.
| Category | Model | Part Number | Description | Benefit |
|---|---|---|---|---|
| DIN Rail Bus Connector | ME 6,2 TBUS-2 1,5/5-ST-3,81 GY | 2695439 | 5-pos. connector for bridging supply voltage | Simplifies power distribution between modules |
| Power Rail Adapter | ME 6,2 TBUS-PR-ADAPTER | 1136500 | Adapter for MINI and MACX modules to universal power rail | Enables flexible supply options |
| Separating Plate | MCR-DP | 1430594 | Partition plate for maintaining Ex i isolation distances | Ensures compliance and safe spacing |
| Module Carrier | TC-2D37SUB-ADIO32-2EX-P-UNI | 2904684 | Termination carrier for up to 16 MACX Analog Ex i signal conditioners | Streamlines multi-channel connections |
| Insulating Sleeves | MPS-IH (various colors) | 0201663 / 0201676 / 0201689 / 0201692 etc. | Protective sleeves for connectors | Provides color coding and additional insulation |
| Test Plug | MPS-MT | 0201744 | Plug with solder connection for test purposes | Allows safe testing and diagnostics |
| Plastic & Device Labels | UC / US / LS-EMLP Series | 0819291 / 0822602 / 0824547 / 0831678 etc. | Marking labels in white, yellow, silver | Clear identification of modules in control cabinets |
| Power & Fault Modules | MACX MCR-PTB / MACX MCR-PTB-SP | 2865625 / 2924184 | Power and error signaling modules | Adds centralized monitoring and supply distribution |
| Power Supply | QUINT4-SYS-PS/1AC/24DC/2.5/SC | 2904614 | 24 V DC QUINT POWER supply | Reliable power for MACX systems |
| End Covers | D-UKK 3/5 / D-UKK 3/5 BU | 2770024 / 2770105 | End covers for DIN rail modules | Provides mechanical and electrical safety |
| Component Terminal Block | UKK 5-2R/NAMUR | 2941662 | Terminal block for NAMUR connections | Simplifies wiring integration |
| Connector Set | MACX EX-SET-TVFKC 2-POLE | 1584378 | Plug set for MACX Ex i devices | Ensures secure field wiring |
| Resistor Networks | FA MCR-FMR Series | 1642714 / 1642715 / 1642716 / 1642820 | Networks for monitoring floating contacts/proximity switches | Supports line fault monitoring and compliance |
| Tool | SZS 0,6×3,5 | 1205053 | Screwdriver for ST terminal blocks | Simplifies installation and maintenance |
For expert guidance before placing your order.
Warranty – 1-year warranty for your peace of mind.
Global Shipping – We ship worldwide with secure packaging and reliable delivery.
Technical Support – Contact us for professional after-sales technical assistance.
