Phoenix Contact MACX MCR-SL-2NAM-T Isolation Amplifier

$ 238.28

Reliable 2-channel NAMUR isolation amplifier with 3-way isolation, SIL 2 safety, and fault detection for safe signal transmission in automation systems.

Product Description

Phoenix Contact MACX MCR-SL-2NAM-T Isolation Amplifier – Safe Signal Handling

The Phoenix Contact MACX MCR-SL-2NAM-T isolation amplifier is a compact two-channel device designed to safely transmit signals from NAMUR sensors and floating contacts to the control system. Featuring robust three-way electrical isolation, it shields sensitive equipment from electrical interference while supporting fast switching up to 5 kHz. Its narrow 12.5 mm housing saves valuable DIN rail space, making it suitable for modern, high-density panels. With integrated monitoring functions, selectable operating modes, and compliance with international safety standards, it offers a dependable solution for industries requiring precise and secure signal processing in hazardous or demanding environments.

The MACX MCR-SL-2NAM-T is built to improve reliability and reduce downtime in automation systems. Its error detection instantly identifies open circuits or short faults, while LED indicators give quick status feedback to maintenance teams. Engineers can configure the amplifier easily via DIP switches, ensuring flexibility for different system requirements. Certified for use in Zone 2 hazardous areas, it guarantees safe performance in chemical processing, manufacturing plants, and maritime applications. By combining durability, simplified troubleshooting, and safety compliance, the amplifier helps operators cut costs, extend equipment life, and achieve higher operational efficiency in critical control and monitoring tasks.

Why Phoenix Contact MACX MCR-SL-2NAM-T?

The MACX MCR-SL-2NAM-T stands out because it delivers safe signal isolation with intelligent monitoring, all in an ultra-slim housing. It ensures reliable transmission of sensor signals even in challenging industrial zones, while saving panel space and simplifying integration. With flexible operation modes, clear LED diagnostics, and SIL 2 safety certification, it’s a trusted choice for engineers who value precision, safety, and long-term performance.

What Problem Does It Solve?

In industrial environments, uncontrolled interference, wiring errors, and hazardous conditions often disrupt signal integrity. The MACX MCR-SL-2NAM-T solves this by providing three-way isolation, built-in line fault detection, and fast response switching. It transforms unreliable field signals into dependable outputs, shielding control systems from damage. This reduces downtime, prevents costly failures, and ensures continuous, safe monitoring in process automation, energy systems, and shipboard applications.

 


Key Features & Specifications – Phoenix Contact MACX MCR-SL-2NAM-T: 2865036

Feature Details Benefit
Number of Channels 2 Enables dual-sensor signal transmission
Electrical Isolation 3-way isolation, 2.5 kV test voltage Protects control systems from interference and surges
Input Compatibility NAMUR sensors, floating contacts, resistance circuits Flexible connection options for process automation
Switching Frequency Up to 5 kHz Suitable for fast signal transmission and dynamic applications
Line Fault Detection (LFD) Configurable via DIP switch Early detection of open or short circuits prevents downtime
Output Type Passive transistor outputs Reliable switching with low power consumption
Supply Voltage 24 V DC (19.2 … 30 V range) Wide supply range for stable operation
Operating Temperature -40 °C to +60 °C Suitable for harsh environments
Safety Certification SIL 2 (IEC 61508), ATEX, IECEx, UL, DNV GL Certified for global use in hazardous and safety-critical areas
Housing Width 12.5 mm DIN rail mount Compact design saves valuable panel space
Status Indicators LEDs for supply, switching state, and errors Clear diagnostics for faster maintenance

Download MACX MCR-SL-2NAM-T 2865036 Datasheet

 


Commercial Data – Phoenix Contact MACX MCR-SL-2NAM-T: 2865036

Commercial Data Details
GTIN Number 4046356491969
Tariff Number 85365019
Weight 143 g (net), 180 g (with pack)
Country of Origin Germany (DE)

 


The Applications

1. Valve Position Feedback in Oil & Gas

In oil and gas facilities, valve positions must be monitored continuously to ensure safe operation of pipelines and storage tanks. Proximity sensors with NAMUR outputs are often mounted directly on valve stems to provide open or closed feedback. The MACX MCR-SL-2NAM-T safely transmits these weak signals to the control room, even across hazardous zones. Its three-way isolation prevents interference, while SIL 2 certification ensures reliable performance in safety shutdown systems. Built-in fault detection instantly highlights wiring failures, reducing risks of false valve status reports and helping operators maintain safe and uninterrupted flow control.

2. Conveyor Belt Monitoring in Heavy Industry

Large manufacturing plants rely on long conveyor systems where downtime can halt production. NAMUR sensors detect belt movement, blockages, or breaks, but the signals must remain clean and reliable under dust and vibration. The MACX MCR-SL-2NAM-T ensures interference-free transmission of these signals into the control system, isolating the fragile sensor circuits from electrical noise. Its slim DIN-rail housing saves valuable space in control cabinets. Maintenance teams benefit from the amplifier’s LED indicators, which quickly show operational status or faults, reducing troubleshooting time and ensuring production lines stay efficient and protected.

3. Tank Level Alarms in Water Treatment

In wastewater treatment facilities, tank levels are monitored with NAMUR-based level switches to prevent overflow or pump dry-running. These sensors are exposed to corrosive and damp environments, making signal integrity critical. The MACX MCR-SL-2NAM-T isolates and conditions these signals, ensuring dependable alarms reach the control system. Fault detection warns of broken or shorted wiring before a process disruption occurs. Its SIL 2 compliance provides added assurance in safety-critical zones, while flexible configuration allows engineers to set alarms as normally open or normally closed depending on system logic. This improves operational reliability in demanding plant conditions.

4. Safety Circuits for Rotating Machinery

Chemical and process plants often operate pumps, mixers, or agitators that need precise monitoring. NAMUR sensors can detect rotation or guard door positions, but harsh conditions require robust signal handling. The MACX MCR-SL-2NAM-T transmits these signals with full electrical isolation, protecting the control system from surges and interference. Its fast switching capability ensures that safety shutdowns occur immediately when abnormal conditions are detected. Diagnostic LEDs provide instant visual status, helping technicians identify problems quickly. This combination of safety, speed, and reliability reduces the risk of mechanical damage, chemical leaks, or operator injury.

 


Related Products & Accessories – Phoenix Contact MACX MCR-SL-2NAM-T

Category Model Name Part Number Description
DIN Rail Bus Connector ME 6,2 TBUS-2 1,5/5-ST-3,81 GY 2695439 5-position connector for bridging supply voltage on DIN rail.
Power Rail Adapter ME 6,2 TBUS-PR-ADAPTER 1136500 Adapter enabling MACX modules to connect to universal power rails.
Separating Plate MCR-DP 1430594 Partition plate for safe spacing between Ex i and non-Ex i devices.
Module Carrier TC-2D37SUB-ADIO32-2EX-P-UNI 2904684 Termination carrier for connecting multiple MACX signal conditioners to I/O cards.
Cover Accessory EA-MSTB 2,5/5 1831016 Cover for screw shafts of connectors, adjustable to positions.
Insulating Sleeves MPS-IH WH (White) 0201663 Insulating sleeve for wiring protection and identification.
MPS-IH RD (Red) 0201676 Insulating sleeve, red color.
MPS-IH BU (Blue) 0201689 Insulating sleeve, blue color.
MPS-IH YE (Yellow) 0201692 Insulating sleeve, yellow color.
MPS-IH GN (Green) 0201702 Insulating sleeve, green color.
MPS-IH GY (Gray) 0201728 Insulating sleeve, gray color.
MPS-IH BK (Black) 0201731 Insulating sleeve, black color.
Test Plug MPS-MT 0201744 Test plug for signal measurement with solder connection.
Device Markers LS-EMLP WH (White) 0831678 Adhesive device marker, unmarked, for equipment labeling.
LS-EMLP SR (Silver) 0831705 Device marker, silver sheet for clear labeling.
LS-EMLP YE (Yellow) 0831732 Device marker, yellow sheet for equipment marking.
Plastic Labels UC-EMLP / US-EMLP Series Multiple (0822602, 0824547, 0824548, 0828094, 0828098, 0828789, 0828871, 0828872) Plastic labeling sheets, customizable for identification.
Power & Error Module MACX MCR-PTB 2865625 Power and fault signaling module with screw connection.
MACX MCR-PTB-SP 2924184 Power and fault signaling module with push-in connection.
Power Supply Unit QUINT4-SYS-PS/1AC/24DC/2.5/SC 2904614 24 V DC power supply unit, DIN rail mounting.
End Covers D-UKK 3/5 (Gray) 2770024 Gray end cover for terminal block assemblies.
D-UKK 3/5 BU (Blue) 2770105 Blue end cover for terminal block assemblies.
Terminal Block UKK 5-2R/NAMUR 2941662 Screw connection terminal block for NAMUR circuits.
Tool SZS 0,6X3,5 1205053 Screwdriver/actuation tool for terminal blocks.
Resistor Networks FA MCR-FMR Series 1642714, 1642715, 1642716, 1642820 Networks for monitoring floating contacts and proximity switches.

 


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