Meters_2013.QXD_Meters 8/27/13 9:10 AM Page 6 MFM Series FEATURES • Measurement Functions •3 Ø Voltage (True RMS) •3 Ø Current (True RMS) •3 Ø Power Factor •3 Ø Power (Active, Reactive, Apparent) •Energy (Active, Reactive, Apparent) •Frequency • Programmable CT/ PT Primary/ Secondary • RS485 Modbus RTU Communication • Single Pulse Output CAT. NO. Display Display Type Digits Bargraph Display Scrolling Supply Specification Input Specification Electrical Wire System Input Voltage Range Input Current Range Frequency Parameter Resolution Energy Power, Voltage, Current Power Factor Accuracy Class Voltage (L-N, L-L), Current Power Factor Frequency Active, Reactive, Apparent Power Active, Reactive, Apparent Energy Output Specifications Pulse Output Pulse Voltage Pulse Current Pulse Duration Communication Programmable Parameters CT Primary CT Secondary PT Primary PT Secondary Environmental Specifications Temperature Humidity Protection Level Physical Specifications Size Weight Terminal Size Acceptability and Torque DIMENSIONS MFM Series 6 E253771 MFM384-C-CU MFM383A-CU LCD Display with backlight 4 rows of 4 digits 1 row of 8 digits for energy display Bargraph for current percentage Automatic/ Manual LCD Display with backlight 3 rows of 4 digits 1 row of 7.5 digits for energy display – Automatic/ Manual 85 ~ 270 VAC (50/ 60Hz) 85 ~ 270 VAC (50/ 60Hz) 3 Phase (3/4 wires), 2 Phase (3 wire), 1 Phase (2 wire) 11 ~ 300 VAC (Phase to Neutral) 19 ~ 519 VAC (Phase to Phase) 10mA ~ 5A (External CT required for current >5A) 45 ~ 65Hz 3 Phase (3/4 wires), 2 Phase (3 wire), 1 Phase (2 wire) 11 ~ 300 VAC (Phase to Neutral) 19 ~ 519 VAC (Phase to Phase) 10mA ~ 5A (External CT required for current >5A) 45 ~ 65Hz 0.01k, 0.1k, 1k, 0.01M, 0.1M, 1M Auto resolution 0.001 0.01k, 0.1k, 1k depending on CT ratio x PT ratio Auto resolution 0.001 +/- 0.5% of Full-Scale Value +/-1% 0.1 Hz +/- 0.1 Hz 1% Class 1 +/- 0.5% of Full-Scale Value +/-1% 0.1 Hz +/- 0.1 Hz 1% Class 1 1 24 VDC max. 100mA max. 100ms +/-5ms 1 24 VDC max. 100mA max. 100ms +/-5ms RS485 MODBUS Communication – 1A/ 5A ~ 10,000A (Programmable for any value) 1A/ 5A (External CT must be connected for current >5A) 100V ~ 500 kV (any value) 100V ~ 500 VAC (any value) 1A/ 5A ~ 10,000A (Programmable for any value) 1A/ 5A (External CT must be connected for current >5A) 100V ~ 10 kV (any value) 100V ~ 500 VAC (any value) Operating: -10°C~55°C, Storage: -20°C~ 75°C Up to 85% RH IP65 for Faceplate Operating: -10°C~55°C, Storage: -20°C~ 75°C Up to 85% RH IP65 for Faceplate 1/4 DIN, 96 mm x 96 mm 0.70 lbs (318g) 20-14 AWG (0.5 - 2.5mm2), 6-7 lb-in. (0.68 - 0.79Nm) 1/4 DIN, 96 mm x 96 mm 0.70 lbs (318g) 20-14 AWG (0.5 - 2.5mm2), 6-7 lb-in. (0.68 - 0.79Nm) TERMINAL CONNECTIONS MFM384-C-CU MFM383A-CU Altech Corp.® • 35 Royal Road • Flemington, NJ 08822-6000 • Phone (908)806-9400 • FAX (908)806-9490 • www.altechcorp.com