Phoenix Contact MACX MCR-EX-SL-SD-21-40-LP Solenoid Driver

$ 238.28

Ensure safe valve control in hazardous zones with Phoenix Contact MACX MCR-EX-SL-SD-21-40-LP solenoid driver, SIL 3 certified and loop-powered.

Product Description

Phoenix Contact MACX MCR-EX-SL-SD-21-40-LP Solenoid Driver – Safe Control for Hazardous Areas

The Phoenix Contact MACX MCR-EX-SL-SD-21-40-LP solenoid driver is engineered to provide intrinsically safe control for solenoid valves, alarm modules, and LED indicators in hazardous zones. Its loop-powered design removes the need for an additional power supply, simplifying integration into process systems. Built with SIL 3 functional safety certification and robust two-way electrical isolation, it ensures high reliability and protection in demanding environments. Compact DIN-rail mounting and compatibility with a wide range of industrial coils make it a dependable solution for industries that must maintain safety compliance without sacrificing operational efficiency.

The MACX MCR-EX-SL-SD-21-40-LP offers practical advantages for facilities that require reliable and safe actuation control. With current limitation up to 40 mA, short-circuit protection, and rapid switching response, it protects devices and reduces downtime risks. Its loop-powered design simplifies wiring, making it especially useful in system upgrades or expansions where efficiency is critical. Operators benefit from clear status indication via LED signaling, ensuring quick diagnostics and smooth operation. Certified for global safety standards, this solenoid driver provides peace of mind in oil and gas, chemical, energy, and process automation sectors where control and safety must work hand-in-hand.

Why Phoenix Contact MACX MCR-EX-SL-SD-21-40-LP?

The MACX MCR-EX-SL-SD-21-40-LP is chosen because it merges intrinsic safety with streamlined installation. By operating as a loop-powered driver, it minimizes wiring needs while still achieving SIL 3 functional safety certification. This makes it highly attractive for industries where both safety and efficiency are non-negotiable. Its compact housing, wide coil compatibility, and two-way electrical isolation give engineers confidence that every control signal is both secure and reliable, even in explosive environments.

What Problem Does It Solve?

This solenoid driver addresses the challenge of safely actuating valves and indicators in hazardous areas without complex wiring or extra power supplies. Traditional drivers often require additional components or compromise on safety levels, increasing risk and cost. The MACX MCR-EX-SL-SD-21-40-LP solves this by delivering reliable, intrinsically safe output with built-in current limitation and protection features. It ensures consistent performance in explosive atmospheres, helping industries reduce downtime, simplify compliance, and safeguard both people and equipment.

 


Key Features & Specifications – Phoenix Contact MACX MCR-EX-SL-SD-21-40-LP: 2865764

Feature Details Benefit
Product Type Solenoid Driver (MACX Analog Series) Provides safe and reliable actuation control in hazardous areas
Input Voltage Range 19.2 V DC … 30 V DC (loop-powered) Eliminates need for external power, reducing wiring complexity
Output Current Limitation 40 mA max Protects connected solenoid valves from overload
Response Time < 20 ms Ensures fast switching for time-critical applications
Electrical Isolation 2-way isolation, 2.5 kV test voltage Provides maximum safety between input and output
Functional Safety SIL 3 (IEC 61508) Meets strict safety requirements for critical systems
Approvals ATEX, IECEx, UL, DNV, INMETRO, CCC Certified for worldwide use in hazardous zones
Ambient Operating Temperature -40 °C to +60 °C Reliable operation in extreme industrial environments
Mounting DIN rail, 12.5 mm width Space-saving and easy installation
Status Indication Yellow LED (active output circuit) Clear monitoring and quick diagnostics
Protection Short-circuit proof Prevents damage and ensures long service life

Download Phoenix Contact MACX MCR-EX-SL-SD-21-40-LP 2865764 Datasheet

 


Commercial Data – Phoenix Contact MACX MCR-EX-SL-SD-21-40-LP: 2865764

Commercial Attribute Value
GTIN (EAN Code) 4046356325233
Customs Tariff Number 85437090
Weight (Excluding Packing) 119 g
Weight (Including Packing) 171.3 g
Country of Origin Germany (DE)

 


The Application Scenarios for Phoenix Contact MACX MCR-EX-SL-SD-21-40-LP

1. Automated Leak Control in Petrochemical Refineries

In petrochemical plants, safety depends on quickly stopping leaks of volatile gases or liquids. The MACX MCR-EX-SL-SD-21-40-LP solenoid driver provides intrinsically safe control of shutdown valves located in hazardous areas. With its current limitation and loop-powered design, it ensures valves can be actuated without introducing ignition risks. The device’s fast switching time enables valves to close immediately when sensors detect abnormal conditions, reducing downtime and limiting exposure to dangerous substances. By combining safety certification with compact DIN-rail installation, it helps refineries meet compliance while keeping plant operations reliable and efficient.

2. Remote Valve Operation in Oil & Gas Extraction

Oil and gas sites often require valve actuation deep inside hazardous areas where wiring complexity and explosion risks are high. This solenoid driver simplifies the task by operating directly from the control signal, removing the need for external power supplies. Two-way isolation safeguards sensitive control systems from field-side faults, making long-distance control practical and secure. Its intrinsically safe design allows reliable use in environments where gas or vapor is present, ensuring operators can safely manage extraction processes. This reduces installation costs, enhances system reliability, and strengthens overall safety in remote and high-risk field operations.

3. Dust-Control Systems in Underground Mining

Mining environments frequently face challenges with combustible dust that can accumulate in tunnels and processing zones. To minimize risks, automated suppression systems must rely on safe and dependable actuation. The MACX MCR-EX-SL-SD-21-40-LP driver enables secure control of solenoid valves that release dust suppression agents without adding ignition sources. Its built-in protection features, such as current limiting and short-circuit resistance, ensure continuous reliability even under harsh operating conditions. By supporting installation close to dust-prone zones, the driver enables miners to maintain operational efficiency while prioritizing worker safety and preventing catastrophic ignition events.

4. Emergency Shutoff in Chemical Dosing Lines

Chemical dosing systems in treatment facilities and industrial plants demand rapid and fail-safe isolation when irregularities occur. This solenoid driver ensures valves handling corrosive or reactive substances can be safely controlled in explosive areas. With SIL 3 certification and quick response times, it guarantees that valves close without delay during emergency conditions, reducing the risk of spills or hazardous reactions. LED status indication offers instant feedback for operators, supporting quick diagnostics and system recovery. By combining safety, reliability, and ease of installation, the MACX MCR-EX-SL-SD-21-40-LP helps operators protect equipment, personnel, and the environment in critical dosing applications.

 


Related Products & Accessories – Phoenix Contact MACX MCR-EX-SL-SD-21-40-LP

Category Model Name Part Number Description
Separating Plate MCR-DP 1430594 Maintains Ex i isolating distances when Ex i and non-Ex i devices are mounted on the same DIN rail.
Module Carrier TC-D37SUB-ADIO16-EX-P-UNI 2924854 Termination carrier for connecting up to 16 MACX Analog Ex i signal conditioners to I/O cards via 37-pin D-SUB connector.
Connector Accessory EA-MSTB 2,5/5 1831016 Cover for screw shafts of MSTB connectors, customizable for different widths.
Insulating Sleeve (White) MPS-IH WH 0201663 Provides insulation for conductor connections, color-coded for identification.
Insulating Sleeve (Red) MPS-IH RD 0201676 Same function as above, red color for differentiation.
Insulating Sleeve (Blue) MPS-IH BU 0201689 Blue insulating sleeve for conductor protection and marking.
Insulating Sleeve (Yellow) MPS-IH YE 0201692 Yellow insulating sleeve for safe connection marking.
Insulating Sleeve (Green) MPS-IH GN 0201702 Green insulating sleeve to support standard electrical coding.
Insulating Sleeve (Gray) MPS-IH GY 0201728 Gray insulating sleeve for flexible marking options.
Insulating Sleeve (Black) MPS-IH BK 0201731 Black insulating sleeve for conductor identification and safety.
Test Plug MPS-MT 0201744 Plug with solder connection for testing conductors up to 1 mm².
Plastic Labels (White) UC-EMLP (11X9) 0819291 Adhesive sheet labels for marking, compatible with Phoenix Contact printers.
Plastic Labels (Yellow) UC-EMLP (11X9) YE 0822602 Yellow adhesive labels for device marking.
Plastic Labels (Custom White) UC-EMLP (11X9) CUS 0824547 Pre-labeled sheets available on request.
Plastic Labels (Custom Yellow) UC-EMLP (11X9) YE CUS 0824548 Same as above in yellow.
Plastic Labels (Silver) UC-EMLP (11X9) SR 0828094 Silver adhesive sheet labels.
Plastic Labels (Custom Silver) UC-EMLP (11X9) SR CUS 0828098 Custom-labeled silver adhesive labels.
Plastic Card Labels (White) US-EMLP (11X9) 0828789 White plastic card labels for thermal and plotter printers.
Plastic Card Labels (Yellow) US-EMLP (11X9) YE 0828871 Yellow card labels for device identification.
Plastic Card Labels (Silver) US-EMLP (11X9) SR 0828872 Silver card labels for professional marking.
Device Marker (White) LS-EMLP (11X9) WH 0831678 Adhesive sheet markers for device identification.
Device Marker (Silver) LS-EMLP (11X9) SR 0831705 Silver sheet markers for equipment labeling.
Device Marker (Yellow) LS-EMLP (11X9) YE 0831732 Yellow sheet markers for identification.
Power & Fault Module MACX MCR-PTB 2865625 Module for power and error message signaling with screw connection.
Power & Fault Module (Push-in) MACX MCR-PTB-SP 2924184 Similar to above, with Push-in connection technology.
Power Supply QUINT4-SYS-PS/1AC/24DC/2.5/SC 2904614 Compact primary-switched power supply with 24 V DC/2.5 A output.
Tool SZS 0,6X3,5 Screwdriver 1205053 Insulated actuation tool for ST terminal blocks, also usable as standard screwdriver.

 


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