Procurement teams shortlist MRJ4M with Selec Timer, Selec Mfm376 and Selec Selec, aligning budget approvals, warranty terms, and multisite availability for smoother rollout across plants.
Selec MRJ4M Multifunction Meter
The Selec MRJ4M Multifunction Meter offers LCD with Backlight display type, Pulse Output type, Self Supplied (V1, N), 60 to 300V AC (45/65Hz) supply voltage, 70 x 90mm size, Din Rail Mount type. Manufactured by Selec under the Selec Multifunction Meter/ category, this model belongs to the Selec MFM Series.

| Brand | Selec |
| Product Type | Multifunction Meter |
| Model Number | MRJ4M |
Selec MRJ4M Multifunction Meter β Technical Specifications
| Specification | Value |
|---|---|
| Display Type | LCD with Backlight |
| Display Configuration | 1 rows of 4 digits, 2 row of 7 digits |
| Electrical Connection | 3Γ - 4W, 1Γ - 2W |
| Type of Output | Pulse Output |
| Features | RJ45 Connector Current Input, Self-Powered, Energy (Active / Reactive), Max Demand Power |
| Communication Protocol | RS485 and MODBUS RTU |
| CT Primary | 5A to 10kA (Programmable for Any Value) Plug-N-Wire CTs to be used |
| CT Secondary | 330mV |
| PT Primary | 100V to 10kV (Programmable for Any Value) |
| PT Secondary | 100V to 500V AC (L - L) (Programmable for Any Value) |
| Rated Input Current/Voltage | 60 to 300V AC (L - N), 104 to 520V AC (L - L) |
| Supply Voltage | Self Supplied (V1, N), 60 to 300V AC (45/65Hz) |
| Size | 70 x 90mm |
| Mounting Type | Din Rail Mount |
| Certification | CE RoHS & MID |
The Selec MRJ4M is a compact Multifunction Meter engineered for modern industrial and commercial power monitoring. Featuring an LCD backlight display with one 4-digit and two 7-digit rows, it enables clear visualization of real-time energy data, including active, reactive, and demand parameters. The device supports Single Channel, Rail Mount Multifunction Meter applications with 3Γ-4W and 1Γ-2W configurations, ensuring compatibility with standard power distribution setups.
Equipped with pulse output and RJ45 input for Plug-N-Wire CTs, the MRJ4M Selec simplifies installation while offering programmable CT primaries up to 10 kA and PT primaries up to 10 kV. It provides PT secondary programmability from 100 V to 500 V AC (L-L), and a CT secondary of 330 mV for reliable low-voltage accuracy. Operating on a self-supplied voltage range of 60 to 300 V AC (45/65 Hz), the meter eliminates external power dependency and ensures continuous measurement even in unstable grid conditions. With RS-485 MODBUS RTU communication, engineers can easily integrate the Selec MRJ4M Multifunction Meter with PLC, SCADA, or energy-monitoring systems for central data management. Certified to CE, RoHS, and MID standards, it ensures long-term operational reliability and compliance with international electrical norms.
Engineers use the Selec MRJ4M across factories, process plants, and commercial buildings to monitor three-phase and single-phase loads, detect energy loss, and evaluate power quality. Its DIN-rail design supports quick retrofits in MCCs, sub-distribution boards, and automation cabinets. Maintenance teams appreciate its stability, built-in memory retention, and communication flexibility, while project consultants value its compliance with mfm series architecture for standardization across panels. Training institutes also adopt this model to demonstrate industrial metering and data communication principles using Selec MFM technology. With a blend of compact design, advanced metering accuracy, and RS-485 connectivity, the MRJ4M Selec Multifunction Meter remains a preferred choice for smart energy supervision and modern control system integration.
As part of Selecβs advanced MFM lineup, the Selec MRJ4M Multifunction Meter delivers dependable performance for engineers seeking a Single Channel, Rail Mount Multifunction Meter with precise measurement and remote communication. It supports scalable CT/PT configuration, MODBUS integration, and real-time monitoring that enhance productivity and energy efficiency. Combining durability with advanced diagnostics, the MRJ4M Selec ensures continuous power tracking in demanding industrial environments. To explore detailed installation guidance and technical manuals, visit the official Selec MFM Series documentation or the Selec brand page on IndMALL.







