Meters 2013.QXD Meters 8/27/13 9:10 AM Page 6 MFM Series FEATURES Measurement Functions 3 Voltage (True RMS) 3 Current (True RMS) 3 Power Factor 3 Power (Active, Reactive, Apparent) Energy (Active, Reactive, Apparent) E253771 Frequency Programmable CT/ PT Primary/ Secondary RS485 Modbus RTU Communication Single Pulse Output CAT. NO. MFM384-C-CU MFM383A-CU Display Display Type LCD Display with backlight LCD Display with backlight Digits 4 rows of 4 digits 3 rows of 4 digits 1 row of 8 digits for energy display 1 row of 7.5 digits for energy display Bargraph Bargraph for current percentage Display Scrolling Automatic/ Manual Automatic/ Manual Supply Specification 85 ~ 270 VAC (50/ 60Hz) 85 ~ 270 VAC (50/ 60Hz) Input Specification Electrical Wire System 3 Phase (3/4 wires), 2 Phase (3 wire), 1 Phase (2 wire) 3 Phase (3/4 wires), 2 Phase (3 wire), 1 Phase (2 wire) Input Voltage Range 11 ~ 300 VAC (Phase to Neutral) 11 ~ 300 VAC (Phase to Neutral) 19 ~ 519 VAC (Phase to Phase) 19 ~ 519 VAC (Phase to Phase) Input Current Range 10mA ~ 5A (External CT required for current >5A) 10mA ~ 5A (External CT required for current >5A) Frequency 45 ~ 65Hz 45 ~ 65Hz Parameter Resolution Energy 0.01k, 0.1k, 1k, 0.01M, 0.1M, 1M 0.01k, 0.1k, 1k depending on CT ratio x PT ratio Power, Voltage, Current Auto resolution Auto resolution Power Factor 0.001 0.001 Accuracy Class Voltage (L-N, L-L), Current +/- 0.5% of Full-Scale Value +/- 0.5% of Full-Scale Value Power Factor +/-1% +/-1% Frequency 0.1 Hz +/- 0.1 Hz 0.1 Hz +/- 0.1 Hz Active, Reactive, Apparent Power 1% 1% Active, Reactive, Apparent Energy Class 1 Class 1 Output Specifications Pulse Output 11 Pulse Voltage 24 VDC max. 24 VDC max. Pulse Current 100mA max. 100mA max. Pulse Duration 100ms +/-5ms 100ms +/-5ms Communication RS485 MODBUS Communication Programmable Parameters CT Primary 1A/ 5A ~ 10,000A (Programmable for any value) 1A/ 5A ~ 10,000A (Programmable for any value) CT Secondary 1A/ 5A (External CT must be connected for current >5A) 1A/ 5A (External CT must be connected for current >5A) PT Primary 100V ~ 500 kV (any value) 100V ~ 10 kV (any value) PT Secondary 100V ~ 500 VAC (any value) 100V ~ 500 VAC (any value) Environmental Specifications Temperature Operating: -10C~55C, Storage: -20C~ 75C Operating: -10C~55C, Storage: -20C~ 75C Humidity Up to 85% RH Up to 85% RH Protection Level IP65 for Faceplate IP65 for Faceplate Physical Specifications Size 1/4 DIN, 96 mm x 96 mm 1/4 DIN, 96 mm x 96 mm Weight 0.70 lbs (318g) 0.70 lbs (318g) 2 2 Terminal Size Acceptability and Torque 20-14 AWG (0.5 - 2.5mm ), 6-7 lb-in. (0.68 - 0.79Nm) 20-14 AWG (0.5 - 2.5mm ), 6-7 lb-in. (0.68 - 0.79Nm) DIMENSIONS TERMINAL CONNECTIONS MFM Series MFM384-C-CU MFM383A-CU 6 Altech Corp. 35 Royal Road Flemington, NJ 08822-6000 Phone (908)806-9400 FAX (908)806-9490 www.altechcorp.comX-ON Electronics Largest Supplier of Electrical and Electronic Components Click to view similar products for Digital Panel Meters category: Click to view products by Altech manufacturer: Other Similar products are found below : M00558-00 01.098.1658.1 70.360.4828.0 72331-00 85310-25 86427-26 86642-00 87268-13 87316-00 87719-26 98107-56 HB8260-R36- 90 DMS-20ACV-3-R-C EM11DINAV81XR1X 25.325.3253.1 25.325.4253.1 25.330.0453.1 25.350.0553.0 20046-20 20182-23 AP1020 AP1021 25.320.5053.0 25.350.3453.1 25.394.3653.1 25.521.3253.0 28006-01 04.630.1080.0 20078-20 EM11DINAV81XO1X 85874-26 87166-00 87895-00 28000-03 K3GN-NDT1-FLK 24VDC 82322K-11 86641-00 87004-00 MV15-DC-20V-110V-CU HB8260R4890 20125-21 86640-00 2CMA100166R1000 N27D 00M0 DMG 100 DMG 110 DMG 800 L01 DMK 01 DMK 01 R1 DMK 11