Official DistributorSKU
MPN
EEM-MA771
Weight
0.505 kg
Series EEM-MA
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 690 V. (phoenixcontact.com/empro-help)
Technical Specifications
Product properties
| Product family | EMpro |
Electrical properties
| 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) |
Electrical isolation
| Test voltage | 4 kV AC (50 Hz, 60 s) |
| Pollution degree | 2 |
Electrical isolation Housing against all potentials IEC 61010-1
| Standards/regulations | IEC 61010-1 |
| Overvoltage category | III (300 V AC) |
| Overvoltage category | II (600 V AC) |
| Insulation | Reinforced insulation |
Electrical isolation Supply against all other potentials IEC 61010-1
| Standards/regulations | IEC 61010-1 |
| Overvoltage category | III (300 V AC) |
| Overvoltage category | II (600 V AC) |
| Insulation | Reinforced insulation |
Electrical isolation Voltage measurement input against all other potentials IEC 61010-1
| Standards/regulations | IEC 61010-1 |
| Measuring category | III (300 V AC) |
| Measuring category | II (600 V AC) |
| Insulation | Reinforced insulation |
Electrical isolation Digital I/Os
| Insulation | Functional insulation |
Electrical isolation Communication interface
| Insulation | Functional insulation |
Supply
| Supply Voltage Range | 100 V AC ... 400 V AC (±20 %) |
| Supply Voltage Range | 150 V DC ... 250 V DC (±20 %) |
| Power consumption | ≤ 4 W |
| Nominal frequency | 50 Hz ... 60 Hz (AC sine) |
General
| Measuring Principle | True r.m.s. value measurement |
| Measured value | AC sine (50 Hz/60 Hz) |
| Acquisition of harmonics | up to 63rd harmonic |
| Description of the input | Digital input in accordance with IEC/EN 61131-2 (type 3) |
| Number | 1 |
| Voltage input signal | 24 V DC |
| Voltage input signal | 0 V DC ... 30 V DC |
| 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 V AC ... 690 V AC (Phase/Phase) |
| Input voltage range direct | 20 V AC ... 400 V AC (Phase/neutral conductor) |
| Input voltage range via external transformers | 60 V AC ... 2000000 V AC (primary) |
| Input voltage range via external transformers | 60 V AC ... 400 V AC (secondary) |
| Surge voltage capacity | 760 V AC (Phase/Phase) |
| Precision | 0.2 % |
| Power consumption | < 2 VA |
Measurement: Current
| Input name | Current measurement RC1, RC2, RC3 |
| Input Current | ≤ 400 A (Measurement level 1) |
| Input Current | ≤ 4000 A (Measurement level 2) |
| Input measuring range voltage | 500 µV ... 400 mV (1000 A) |
| Response threshold from measuring range nominal value | 5 A |
| Operate threshold | 500 µV (5 A) |
| Precision | 0.5 % |
Measurement: Power
| Precision | 1 % |
| Real energy (IEC 62053-21) | Class 1 |
| Reactive power (IEC 62053-23) | Class 2 |
Output data
| Output description | Digital output in accordance with IEC/EN 61131-2 (type 3) |
| Number | 1 |
| Current Output Signal | ≤ 100 mA |
| Voltage output signal | 24 V DC |
| Protection | 250 mA (fast-blow) |
Current / voltage / supply
| 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/O / communication
| 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 |
Data: Network interface
| Communication Protocol | Modbus/TCP |
| Communication Protocol | REST |
| Connection Method | RJ45 |
Dimensions
| Width | 96 mm |
| Height | 96 mm |
| Depth | 58 mm |
Material specifications
| Color | gray (RAL 7042) |
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 | ≤ 2000 m |
| Max. permissible relative humidity (operation) | ≤ 95 % (non-condensing) |
CE
| Certificate | CE-compliant |
UKCA
| Certificate | UKCA-compliant |
UL, USA/Canada
| Identification | UL/C-UL Listed UL 61010-1 |
UL data
| Operating mode | Indoor use |
| Operating mode | Indoor use |
Mounting
| Mounting Type | Panel mount |
| Mounting Position | Front panel installation, horizontal |
Accessories
Le dispositif de maintien en option fournit une fixation en toute sécurité de la bobine de Rogowski sur des barres d'alimentation d'une épaisseur comprise entre 10 ... 15 mm. Lors de l'installation, le boîtier de la bobine coulisse sur la bride du dispositif de maintien et s'enclenche automatiquement.
2910322 - 300 mm long Rogowski coil. The measuring coil diameter when installed is 95 mm. The Rogowski coil is used for AC current measurement for busbars and power lines.- 2910323 - 300 mm long Rogowski coil. The measuring coil diameter when installed is 95 mm. The Rogowski coil is used for AC current measurement for busbars and power lines.
- 2910324 - 600 mm long Rogowski coil. The measuring coil diameter when installed is 190 mm. The Rogowski coil is used for AC current measurement for busbars and power lines.
Why Proax for Phoenix Contact 2908286?
Proax is an authorized distributor of Phoenix Contact 2908286 and one of Phoenix Contact's largest distributors in North America. Our highly skilled in-house technical team is ready to assist with any technical needs.
Have a question in mind? to help you get the right product as quickly as possible for your project. We're always here to help!
Short Lead Time
Highly Trained Staff
Live Chat
Technical Support
Local Inventory
60+ Years Experience
Additional Information
| Pack Size | 1 |
Recommended
2907945 - Multi-functional energy measuring device with integrated Modbus/TCP interface for measuring electrical parameters in low-voltage installations up to 690 V. (phoenixcontact.com/empro-help)
Appareil de mesure d'énergie multifonction avec raccordement Rogowski direct, et interface Modbus TCP et Ethernet/IP intégrée, pour mesurer les paramètres électriques dans les installations à basse tension jusqu'à 690 V. (phoenixcontact.com/empro-help)- 1127060 - Multi-functional energy measuring device with 24 V DC supply, direct Rogowski connection, and integrated Modbus/TCP interface for measuring electrical parameters in low-voltage installations up to 690 V (phoenixcontact.com/empro-help)
- 2908285 - Multi-functional energy measuring device with direct Rogowski connection and integrated Modbus RTU/TCP interface for measuring electrical parameters in low-voltage installations up to 690 V. (phoenixcontact.com/empro-help)
- 2908301 - Multifunctional energy measuring device with direct Rogowski connection and integrated Modbus/TCP and PROFINET interface for measuring electrical parameters in low-voltage electrical installations up to 690 V. (phoenixcontact.com/empro-help)
- 2907953 - Multifunctional energy measuring device with integrated Modbus/TCP and EtherNet/IP™ interface for measuring electrical parameters in low-voltage installations up to 690 V. (phoenixcontact.com/empro-help)
- 1127052 - Multi-functional energy measuring device with 24 V DC supply and integrated Modbus/TCP interface for measuring electrical parameters in low-voltage installations up to 690 V (phoenixcontact.com/empro-help)
- 2907944 - Multi-functional energy measuring device with integrated Modbus RTU/TCP interface for measuring electrical parameters in low-voltage installations up to 690 V. (phoenixcontact.com/empro-help)
- 2907946 - Multifunctional energy measuring device with integrated Modbus/TCP and PROFINET interface for measuring electrical parameters in low-voltage installations up to 690 V. (phoenixcontact.com/empro-help)
EEM-MA600, Energy measurement device to measure electrical parameters in low voltage installations up to 700 V, acquisition of individual harmonic oscillations - can be extended with communication and special functional modules- 2902352 - Energy measurement device to measure electrical parameters in low voltage installations up to 700 V, acquisition of individual harmonic oscillations - can be extended with communication and special functional modules
2908307 - Multi-functional energy measuring device with direct Rogowski connection and integrated Modbus/TCP interface for measuring electrical parameters in low-voltage installations up to 690 V. (phoenixcontact.com/empro-help)
2907983 - Multi-functional energy measuring device with integrated Modbus/TCP interface for measuring electrical parameters in low-voltage installations up to 690 V. (phoenixcontact.com/empro-help)
1127058 - Multi-functional energy measuring device with 24 V DC supply, direct Rogowski connection, and integrated Modbus/TCP interface for measuring electrical parameters in low-voltage installations up to 690 V (phoenixcontact.com/empro-help)
2907985 - Multi-functional energy measuring device with direct Rogowski connection and integrated Modbus RTU/TCP interface for measuring electrical parameters in low-voltage installations up to 690 V. (phoenixcontact.com/empro-help)
1127059 - Multi-functional energy measuring device with 24 V DC supply and integrated Modbus/TCP interface for measuring electrical parameters in low-voltage installations up to 690 V (phoenixcontact.com/empro-help)
2907980 - Multi-functional energy measuring device with integrated Modbus RTU/TCP interface for measuring electrical parameters in low-voltage installations up to 690 V. (phoenixcontact.com/empro-help)
EEM-MA400, Energy measurement device to measure electrical parameters in low voltage installations up to 500 V, acquisition of total harmonic oscillations - can be extended with RS-485 communication module
EEM-MA250, Energy measurement device to measure electrical parameters in low voltage installations up to 500 V, acquisition of total harmonic oscillations - can be expanded with RS-485 interface
2901362 - Energy measurement device to measure electrical parameters in low voltage installations up to 500 V, acquisition of total harmonic oscillations