2908286 PHOENIX CONTACT -

EEM-MA771 - Measuring instrument

Multi-functional energy measuring device with direct Rogowski connection and integrated Modbus/TCP interface for measuring electrical parameters in low-voltage installations up to 690V. (phoenixcontact.com/empro-help)

Cod. Articolo: 2908286 copia - copy

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Product properties	Product type: Energy measuring device Product family: EMpro Insulation characteristics Overvoltage category: III (300ÃV) Pollution degree: 2
Electrical properties	Electrical isolation: IEC 61010-1 (Overvoltage category III at 300ÃVÃACOvervoltage category II at 600ÃVÃAC) IEC 61010-1 (Measurement category III at 300ÃVÃACMeasurement category II at 600ÃVÃAC) Test voltage: 4 kV AC (50ÃHz, 60Ãs) Maximum power dissipation for nominal condition: 10 VA Mains type: 3-phase (3 or 4-conductor), 2-phase (2-conductor), and single-phase (1-conductor) Supply Supply voltage range: 100 VÃAC ... 400 VÃAC (Ã±20Ã%) 150 VÃDC ... 250 VÃDC (Ã±20Ã%) Power consumption: Ã¢Ã¢°¤ 4 W Nominal frequency: 50 Hz ... 60 Hz (AC sine)
Input data	General Measuring principle: True r.m.s. value measurement Measured value: ACÃsine (50/60 Hz) Acquisition of harmonics: up to 63rd harmonic Description of the input: Digital input in accordance with IEC/ENÃ61131-2 (type 3) Number: 1 Voltage input signal: 24 VÃDC 0 VÃDC ... 30 VÃDC Current input signal: 2 mA ... 15 mA Protection: 250 mA (fast-blow) Measurement: Voltage Input name: Voltage measuring input V1, V2, V3 Input voltage range direct: 35 VÃAC ... 690 VÃAC (Phase/Phase) 20 VÃAC ... 400 VÃAC (Phase/neutral conductor) Input voltage range via external transformers: 60 VÃAC ... 2000000 VÃAC (primary) 60 VÃAC ... 400 VÃAC (secondary) Surge voltage capacity: 760 VÃAC (Phase/Phase) Precision: 0.2 % Power consumption: < 2 VA Measurement: Current Input name: Current measurement RC1, RC2, RC3 Input current: Ã¢Ã¢°¤ 400 A (Measurement levelÃ1) Ã¢Ã¢°¤ 4000 A (Measurement levelÃ2) Input measuring range voltage: 500 ÃµV ... 400 mV (1000 A) Response threshold from measuring range nominal value: 5 A Operate threshold: 500 ÃµV (5ÃA) Precision: 0.5 % Measurement: Power Precision: 1 % Real energy (IEC 62053-21): ClassÃ1 Reactive power (IEC 62053-23): ClassÃ2
Output data	Output description: Digital output in accordance with IEC/ENÃ61131-2 (type 3) Number: 1 Current output signal: Ã¢Ã¢°¤ 100 mA Voltage output signal: 24 VÃDC Protection: 250 mA (fast-blow)
Connection data	CurrentÃ/ÃvoltageÃ/Ãsupply Connection method: Screw connection Stripping length: 8 mm Screw thread: M3 Conductor cross section rigid: 0.2 mm² ... 6 mm² Conductor cross section flexible: 0.2 mm² ... 4 mm² Conductor cross section AWG: 24 ... 10 Tightening torque: 0.5 Nm ... 0.6 Nm Digital I/OÃ/Ãcommunication Connection method: Screw connection Stripping length: 7 mm Screw thread: M3 Conductor cross section rigid: 0.14 mm² ... 2.5 mm² Conductor cross section flexible: 0.14 mm² ... 1.5 mm² Conductor cross section AWG: 26 ... 14 Tightening torque: 0.5 Nm ... 0.6 Nm
Interfaces	Data: Network interface Communication protocol: Modbus/TCP REST Connection method: RJ45
Dimensions	Width: 96 mm Height: 96 mm Depth: 58 mm
Environmental and real-life conditions	Ambient conditions Degree of protection (Housing): IP20 (Housing) Degree of protection (Display): IP54 (Display (+ EEM-MA-IP)) Ambient temperature (operation): -25°C ... 70°C Ambient temperature (storage/transport): -30°C ... 80°C Altitude: Ã¢Ã¢°¤ 2000 m Max. permissible relative humidity (operation): Ã¢Ã¢°¤ 95 % (non-condensing)
Approvals	CE Certificate: CE-compliant UKCA Certificate: UKCA-compliant UL, USA/Canada Identification: UL/C-UL Listed ULÃ61010-1 UL data Operating mode: Indoor use UL dataÃ¢Ã¢¬Ã¢¹ Operating mode: Indoor use
Mounting	Mounting type: Panel mount Mounting position: Front panel installation, horizontal