In most procurement cycles, MFM391 is considered with Selec Timer, Selec Mfm376 and Selec Selec, giving decision-makers confidence that theyโve chosen the most dependable component.
Selec MFM391 Multifunction Meter
The Selec MFM391 Multifunction Meter offers 7 Segment LED display type, 3ร -3W, 3ร - 4W, 2ร - 3W, 1ร - 2W connection, 85 to 270V AC (45/65Hz) supply voltage, 96 x 96mm size, Panel 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 | MFM391 |
Selec MFM391 Multifunction Meter โ Technical Specifications
| Specification | Value |
|---|---|
| Display Type | 7 Segment LED |
| Display Configuration | 3 Rows of 3 Digits |
| Electrical Connection | 3ร -3W, 3ร - 4W, 2ร - 3W, 1ร - 2W |
| Features | VAF meter with Power-Factor and Power, Run Hour and RPM measurement |
| Communication Protocol | NA |
| CT Primary | 1 / 5A to 10kA (Programmable for Any Value) |
| CT Secondary | 1 / 5 A (Programmable) |
| PT Primary | 100V to 500kV (Programmable for Any Value) |
| PT Secondary | 100V to 500V (Programmable for Any Value) |
| Rated Input Current/Voltage | Nominal 5A AC (Min - 20mA Max - 6A) |
| Supply Voltage | 85 to 270V AC (45/65Hz) |
| Size | 96 x 96mm |
| Mounting Type | Panel Mount |
The Selec MFM391 is a cost-effective Multifunction Meter engineered to deliver reliable and efficient electrical measurement in industrial panels. Equipped with a 7-segment LED display, it provides three rows of 3-digit readings for clear and continuous visibility of essential electrical parameters. Supporting 3รโ3W, 3รโ4W, 2รโ3W, and 1รโ2W configurations, this Selec Multifunction Meter ensures wide compatibility across diverse electrical systems used in automation, commercial, and process industries.
The MFM391 Selec is designed to measure voltage, current, frequency, power factor, active power, run hours, and RPM with precision. It includes programmable CT and PT ratios, supporting up to 10kA CT primary and 500kV PT primary inputs. The meter operates reliably within a nominal 5A AC range, detecting signals as low as 20mA, and functions seamlessly across 85 to 270V AC (45/65Hz). Compact at 96x96mm, the panel-mounted design makes it ideal for installations where space and reliability are equally important. Built with high accuracy and a long operational lifespan, the Selec MFM391 Multifunction Meter provides dependable performance and simplified monitoring for energy management systems.
The Selec MFM391 is widely used in control panels, manufacturing plants, and commercial buildings to monitor energy consumption and improve power efficiency. It supports applications in motor control centers, HVAC systems, generator monitoring, and industrial distribution boards. Maintenance engineers prefer this model for its easy installation, clear LED display, and consistent readings even under fluctuating loads. Educational institutions also use this Multifunction Meter Selec to teach real-world concepts of power factor correction and electrical measurement systems. With accuracy, stability, and compact construction, the MFM391 Selec helps industries achieve precision in power analysis and operational safety.
Among Selecโs range of advanced energy meters, the Selec MFM391 Multifunction Meter stands out as an Economical LED Multifunction Meter trusted for essential monitoring and performance analysis. It simplifies three-phase parameter measurement while maintaining high reliability in demanding automation environments. For industries looking to integrate cost-efficient metering with long-term durability, the MFM391 Selec offers a perfect balance of functionality and affordability. To explore specifications or view installation guidelines, refer to the official Selec MFM Series documentation or contact local distributors for detailed product assistance.
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