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PM,NFM,IRM

PM, NFM, IRM – Power Monitoring, Network Feeder and Interface Relay Modules

Block 1: Technical Introduction
PM (Power Monitoring), NFM (Network Feeder Modules), and IRM (Interface Relay Modules) are essential components in modern industrial automation and electrical distribution systems. PM modules provide real-time measurement of electrical param...

PM, NFM, IRM – Power Monitoring, Network Feeder and Interface Relay Modules

Block 1: Technical Introduction
PM (Power Monitoring), NFM (Network Feeder Modules), and IRM (Interface Relay Modules) are essential components in modern industrial automation and electrical distribution systems. PM modules provide real-time measurement of electrical parameters such as voltage, current, power factor, active and reactive power, and energy consumption, typically with accuracy classes up to 0.5S. NFM modules act as intelligent network feeders, integrating protection, switching, and communication functions for sub-distribution boards, often supporting up to 630A rated current and 3P/4P configurations. IRM modules serve as galvanic isolation interfaces between control systems (PLCs, DCS) and field devices, offering up to 4 or 8 channels with coil voltages from 24V DC to 230V AC, and contact ratings up to 10A. These modules are designed for DIN rail mounting, with IP20 protection for cabinet installation, and support fieldbus protocols like Modbus RTU, Profibus, or Ethernet/IP for seamless integration into SCADA systems.

Block 2: Applications and Sectors
These modules are deployed across a wide range of industrial sectors, including manufacturing plants, energy management systems, building automation, water treatment facilities, and data centers. PM modules are critical for energy monitoring and cost allocation in large facilities, enabling ISO 50001 compliance. NFM modules are used in main and sub-distribution boards to manage power distribution with integrated overcurrent and short-circuit protection, often replacing traditional fuse-based feeders. IRM modules are found in control cabinets to interface PLC outputs with high-power loads, motors, valves, or solenoid banks, ensuring signal integrity and protection against voltage spikes. They are also used in safety circuits to isolate hazardous voltages from control logic.

Block 3: Subcategories and Key Articles
The main subcategories within this family include Power Monitoring Modules (PM), Network Feeder Modules (NFM), and Interface Relay Modules (IRM). Key articles typically follow a structured coding system: for example, PM-96-3P-400V-5A for a 96x96mm panel meter with 3-phase input up to 400V and 5A CT; NFM-250-3P-630A for a 250A frame feeder module with 3-pole configuration and 630A rating; IRM-4CH-24VDC for a 4-channel interface relay module with 24V DC coil. Other common codes include PM-72-1P-230V, NFM-160-4P-400A, and IRM-8CH-230VAC. These articles are available with optional accessories like communication modules, display units, and surge protection.

Block 4: Business Benefits and Support
Electric Automation Network offers these modules with up to 65% discount compared to list prices, with real-time pricing and stock availability on our multilingual portal. Our engineering team provides personalized technical support for selection, configuration, and integration, including documentation like datasheets, wiring diagrams, and CAD files. We guarantee express worldwide shipping, with most orders dispatched within 24 hours. Whether you need a single IRM for a retrofit or a bulk order of NFMs for a new installation, we ensure fast delivery and expert assistance.

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Manufacturer Code Reference Catalog Number Description Delivery Price

IRM-30-48

IRM-30-48

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AC-DC Single output Encapsulated power supply, PCB mount, Input 85-264VAC, Output 48VDC / 0.63A, Compact size

 		3 View Availability View Price

IRM-30-24

IRM-30-24

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AC-DC Single output Encapsulated power supply, PCB mount, Input 85-264VAC, Output 24VDC / 1.3A, Compact size

 		3 View Availability View Price

IRM-30-5ST

IRM-30-5ST

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AC-DC Single output Encapsulated power supply, Screw terminal, Input 85-264VAC, Output 5VDC / 6A, Compact size

 		3 View Availability View Price

IRM-30-15

IRM-30-15

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AC-DC Single output Encapsulated power supply, PCB mount, Input 85-264VAC, Output 15VDC / 2A, Compact size

 		3 View Availability View Price

IRM-30-12

IRM-30-12

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AC-DC Single output Encapsulated power supply, PCB mount, Input 85-264VAC, Output 12VDC / 2.5A, Compact size

 		3 View Availability View Price

IRM-30-15ST

IRM-30-15ST

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AC-DC Single output Encapsulated power supply, Screw terminal, Input 85-264VAC, Output 15VDC / 2A, Compact size

 		3 View Availability View Price

IRM-30-5

IRM-30-5

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AC-DC Single output Encapsulated power supply, PCB mount, Input 85-264VAC, Output 5VDC / 6A, Compact size

 		3 View Availability View Price

IRM-30-48ST

IRM-30-48ST

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AC-DC Single output Encapsulated power supply, Screw terminal, Input 85-264VAC, Output 48VDC / 0.63A, Compact size

 		3 View Availability View Price

IRM-30-12ST

IRM-30-12ST

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AC-DC Single output Encapsulated power supply, Screw terminal, Input 85-264VAC, Output 12VDC / 2.5A, Compact size

 		3 View Availability View Price

IRM-30-24ST

IRM-30-24ST

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AC-DC Single output Encapsulated power supply, Screw terminal, Input 85-264VAC, Output 24VDC / 1.3A, Compact size

 		3 View Availability View Price

IRM-05-12

IRM-05-12

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AC-DC Single output Encapsulated power supply, Input 85-264VAC, Output 12VDC / 0.42A, PCB mount, miniature size

 		3 View Availability View Price

IRM-05-15

IRM-05-15

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AC-DC Single output Encapsulated power supply, Input 85-264VAC, Output 15VDC / 0.33A, PCB mount, miniature size

 		3 View Availability View Price

IRM-05-24

IRM-05-24

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AC-DC Single output Encapsulated power supply, Input 85-264VAC, Output 24VDC / 0.23A, PCB mount, miniature size

 		3 View Availability View Price

IRM-05-3.3

IRM-05-3.3

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AC-DC Single output Encapsulated power supply, Input 85-264VAC, Output 3.3VDC / 1.25A, PCB mount, miniature size

 		3 View Availability View Price

IRM-05-5

IRM-05-5

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AC-DC Single output Encapsulated power supply, Input 85-264VAC, Output 5VDC / 1.0A, PCB mount, miniature size

 		3 View Availability View Price

IRM-10-12

IRM-10-12

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AC-DC Single output Encapsulated power supply, Input 85-264VAC, Output 12VDC / 0.85A, PCB mount, miniature size

 		3 View Availability View Price

IRM-10-15

IRM-10-15

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AC-DC Single output Encapsulated power supply, Input 85-264VAC, Output 15VDC / 0.67A, PCB mount, miniature size

 		3 View Availability View Price

IRM-10-24

IRM-10-24

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AC-DC Single output Encapsulated power supply, Input 85-264VAC, Output 24VDC / 0.42A, PCB mount, miniature size

 		3 View Availability View Price

IRM-10-3.3

IRM-10-3.3

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AC-DC Single output Encapsulated power supply, Input 85-264VAC, Output 3.3VDC / 2.5A, PCB mount, miniature size

 		3 View Availability View Price

IRM-10-5

IRM-10-5

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AC-DC Single output Encapsulated power supply, Input 85-264VAC, Output 5VDC / 2.0A, PCB mount, miniature size

 		3 View Availability View Price

IRM-15-12

IRM-15-12

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AC-DC Single output Encapsulated power supply, Input 85-264VAC, Output 12VDC / 1.25A, PCB mount, miniature size

 		3 View Availability View Price

IRM-15-15

IRM-15-15

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AC-DC Single output Encapsulated power supply, Input 85-264VAC, Output 15VDC / 1.0A, PCB mount, miniature size

 		3 View Availability View Price

IRM-15-24

IRM-15-24

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AC-DC Single output Encapsulated power supply, Input 85-264VAC, Output 24VDC / 0.63A, PCB mount, miniature size

 		3 View Availability View Price

IRM-15-3.3

IRM-15-3.3

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AC-DC Single output Encapsulated power supply, Input 85-264VAC, Output 3.3VDC / 3.5A, PCB mount, miniature size

 		3 View Availability View Price

IRM-15-5

IRM-15-5

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AC-DC Single output Encapsulated power supply, Input 85-264VAC, Output 5VDC / 3.0A, PCB mount, miniature size

 		3 View Availability View Price

IRM-20-12

IRM-20-12

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AC-DC Single output Encapsulated power supply, Input 85-264VAC, Output 12VDC / 1.8A, PCB mount, miniature size

 		3 View Availability View Price

IRM-20-15

IRM-20-15

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AC-DC Single output Encapsulated power supply, Input 85-264VAC, Output 15VDC / 1.4A, PCB mount, miniature size

 		3 View Availability View Price

IRM-20-24

IRM-20-24

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AC-DC Single output Encapsulated power supply, Input 85-264VAC, Output 24VDC / 0.9A, PCB mount, miniature size

 		3 View Availability View Price

IRM-20-3.3

IRM-20-3.3

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AC-DC Single output Encapsulated power supply, Input 85-264VAC, Output 3.3VDC / 4.5A, PCB mount, miniature size

 		3 View Availability View Price

IRM-20-5

IRM-20-5

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AC-DC Single output Encapsulated power supply, Input 85-264VAC, Output 5VDC / 4.0A, PCB mount, miniature size

 		3 View Availability View Price

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