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The SELEC MFM383A Economical LCD Multifunction Meter is a versatile energy measurement device designed for comprehensive electrical monitoring across various systems including single phase 2 wire, three phase 3 wire, and three phase 4 wire configurations. Operating within voltage ranges of 11 to 300V (Line to Neutral) and 19 to 519V (Line to Line), this multifunction meter provides precise measurements essential for industrial and commercial energy management. Featuring an easy-to-read LCD with backlight and a display configuration comprising three rows of 4 digits plus one row of 7 ½ digits, it ensures clear visibility of real-time electrical parameters. It delivers high accuracy with ±0.5% for voltage and current, 0.1% for frequency, 0.01% for power factor, and 1% for power measurement. Additionally, the meter supports RS485 communication using the MODBUS RTU protocol (available in the MFM383A-C-CE variant), facilitating seamless integration into energy monitoring networks and automated control systems. The device includes password protection for data security, pulse output for energy data logging, and compatibility with programmable CT and PT values making it adaptable to diverse electrical environments. Its panel-mountable form factor, compact 96 x 96 mm size, and compliance with CE and RoHS standards make it an economical yet reliable choice for businesses looking to implement detailed energy monitoring solutions.
Key Features
Features | Description |
---|---|
Compatibility | 1 phase 2 wire, 3 phase 3 wire, and 3 phase 4 wire systems |
Voltage Measurement Range | 11 to 300V (L-N), 19 to 519V (L-L) |
Display | LCD with backlight, 3 rows of 4 digits + 1 row of 7 ½ digits |
Communication | RS485 with MODBUS RTU protocol (MFM383A-C-CE) |
Measurement Accuracy | ±0.5% (voltage/current), 0.1% (frequency), 0.01% (PF), 1% (power) |
Output | Pulse output for energy monitoring |
Current and Voltage Transformer Support | Programmable CT primary (1/5A to 10kA), CT secondary (1/5A), PT primary (100V to 10kV), PT secondary (100V to 500V AC L-L) |
Power Supply Voltage | 85 to 270V AC (45/65 Hz) |
Mounting | Panel mount |
Certification | CE and RoHS compliant |
Security Feature | Password protection to restrict unauthorized access |
Attributes | Description |
---|---|
Display Type | LCD with Backlight |
Display Configuration | 3 Rows of 4 Digits and 1 Row of 7 ½ Digits |
Electrical Connection Types | 3Ø - 3W, 3Ø - 4W, 2Ø - 3W, 1Ø - 2W |
Communication Protocol | RS485 and MODBUS RTU |
CT Primary Programmability | 1/5A to 10kA |
CT Secondary Programmability | 1/5A |
PT Primary Programmability | 100V to 10kV |
PT Secondary Programmability | 100V to 500V AC (L-L) |
Rated Input Current | Nominal 5A AC (Min 11mA, Max 6A) |
Supply Voltage | 85 to 270V AC, 45/65 Hz |
Dimensions | 96 x 96 mm |
Mounting Type | Panel Mount |
Certifications | CE and RoHS |
*Disclaimer: The above description has been AI-generated and has not been audited or verified for accuracy. It is recommended to verify product details independently before making any purchasing decisions.
Brand: SELEC
Country Of Origin: India
Economical LCD Multifunction meter
Product: MFM383A
Compatible for 1 phase 2 wire, 3 phase 3 wire, 3 phase 4 wire systems
11 to 300V (L-N), 19 to 519V (L-L) measurement
RS485 Communication MODBUS RTU (MFM383A-C-CE)
Accuracy of ± 0.5% for voltage & current, 0.1% for Frequency, 0.01% for PF, 1% for Power, Class 1 for Active,reactive & Apparent energy
CE RoHS certified
Brief Specifications
Display Type LCD with Backlight
Display Configuration 3 Rows of 4 Digits, 1 Row of 7 ½ Digits
Electrical Connection 3Ø - 3W, 3Ø - 4W, 2Ø - 3W, 1Ø - 2W
Type of Output Pulse Output
Features Password Protection, Energy (Active / Reactive / Apparent)
Communication Protocol RS485 and MODBUS RTU
CT Primary 1 / 5A to 10kA (Programmable for Any Value)
CT Secondary 1 / 5A (Programmable)
PT Primary 100V to 10kV (Programmable for Any Value)
PT Secondary 100V to 500V AC (L – L) (Programmable for Any Value)
Rated Input Current Nominal 5A AC (Min - 11mA Max - 6A)
Supply Voltage 85 to 270V AC (45/65 Hz)
Size 96 x 96mm
Mounting Type Panel Mount
Certification CE RoHS
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