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MFM383A0 pages
MFM383A
Multifunction Meter
Features:
• 30 (True rms) Voltage
• 30 (True rms) Current
• 30 Power (Active, Reactive, Apparent)
• 30 Power Factor
• Frequency
• Active Energy
• Programmable CT/PT Primary/Secondary
• Modbus RTU Communication (RS485) (Optional)
• Pulse Output
Size: 96mm x 96mm (1/4 DIN)
Certifications: c@us
LISTED
Technical Specifications
Display
Display
Digit
Digit Height
Input Specifications
Electrical Connection
Input Voltage Range
Input Current Range
Frequency
Display Scrolling
Display Reset
Resolution
Accuracy
Memory Retention
Measuring Parameters
Output Specifications
Pulse Output
Communication
Liquid crystal display with backlight
3 rows of 4 digits
0.44" (11.4mm)
0.25" (6.6mm) (for Lowest 8 digits)
30-3/4 wire, 20-3 wire, 10-2 wire
19 to 519V AC, (Phase to Phase)
11 to 300V AC, (Phase to Neutral)
10mA -5A (6A Max)
45Hz-65Hz
Automatic / manual
Programmable (for energy)
For energy: 0.1k, 1k
(depending upon CT ratio X PT ratio)
For Power, Voltage,
Current: Auto resolution
For Power factor: 0.001
Voltage (L-N / L-L), Current: ±0.5% of FS
Power factor: ±1%
Frequency: ±0.1%
(ForV>20V L-N, V>35V L-L)
Power (kW, kVA, kVAr):1%
Active energy: Class 1
10 years
Voltage (L-L / L-N) (Individual / Average)
Current (11, 12, 13) (Individual / Average)
Frequency, Power Factor (Individual /
Average), Active, Reactive & Apparent
Power (Individual /Total), Active Energy (Total)
Voltage Range: External 24V DC
Current Capacity: 100mA max
Pulse Width: 100 ms ±5 ms
RS485 MODBUS Communication
Supply Specifications
Auxiliary Supply
MFM383A/383A-C: 85 to 270V AC (50/60 Hz)
MFM383A/383A-C-24V:DC-18to 42V
AC-18 to 28V (50/60 Hz;
Resettable Parameters
CT Primary
CT Secondary
PT Primary
PT Secondary
1A/5A upto 10.000A (Programmable for any
Value)
Note : 1A or 5A depends upon the
CT secondary
1A or 5A (Programmable)
100V to 10000V (Programmable for any
Value)
100V to 500V (Programmable for any Value)
Environmental Specifications
Temperature
Humidity (non-condensing)
Operating Temperature: -10 to 55° C
Storage Temperature: -20 to +75°C
Upto 85% RH
Mechanical Specifications
Mounting
Weight
Protection Level
Panel mount
MFM383A/383A-C:310gms
MFM383A/383A-C-24V: 295gms
IP65 for faceplate
Dimensions
99
90.5 91-5
99.
Front bezel
—50-
Side view
— 91.5—,
Panel cutout
www.selec.com
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