Meters 2013.QXD Meters 8/27/13 9:10 AM Page 7 MFM Series FEATURES Measurement Functions 3 Voltage (True RMS) 3 Current (True RMS) 3 Power Factor 3 Power (Active, Reactive, Apparent) Please Energy (Active, Reactive, Apparent) contact Altech Frequency for UL status. Programmable CT/ PT Primary/ Secondary RS485 Modbus RTU Communication Single Pulse Output CAT. NO. MFM374-C-CU MFM374-CU Display Display Type 7 Segment LED Display 7 Segment LED Display Digits 3 rows of 4 digits 3 rows of 4 digits 8 digits for energy display 8 digits for energy display Bargraph 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 Parameter Resolution Energy 0.01k, 0.1k, 1k, 0.01M, 0.1M, 1M 0.01k, 0.1k, 1k, 0.01M, 0.1M, 1M 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 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 0.71 lbs (320g) 0.71 lbs (320g) 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 MFM374-C-CU MFM374A-CU 7 Altech Corp. 35 Royal Road Flemington, NJ 08822-6000 Phone (908)806-9400 FAX (908)806-9490 www.altechcorp.com DIGITAL PANEL METERSX-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