Phoenix EEM-MA770-Measuring Device 2907945, a multifunctional energy measuring device with an integrated Modbus/TCP interface for measuring electrical parameters in low-voltage installations up to 690V.
| Product Type | Electric energy monitoring equipment |
| Product Series | EMpro |
| rated conditions | 10 VA |
| Main Power Type | 3-phase (3 or 4-wire system), dual-phase (2-wire system) and single-phase (single-wire system) |
| electrical isolation | |
| Test Voltage | 4 kV AC (50 Hz, 60 s) |
| pollution level | 2 |
| insulation | reinforced insulation |
| electrical isolation housing relative to all potentials IEC 61010-1 | |
| Standards/Regulations | IEC 61010-1 |
| Overvoltage Category | III (300V AC) |
| II (600V AC) | |
| insulation | reinforced insulation |
| Electrically isolated power supply with respect to all other potentials IEC 61010-1 | |
| Standards/Regulations | IEC 61010-1 |
| Overvoltage Category | III (300V AC) |
| II (600V AC) | |
| insulation | reinforced insulation |
| galvanically isolated voltage measurement input relative to all other potentials IEC 61010-2-030 | |
| Standards/Regulations | IEC 61010-2-030 |
| Measurement Type | III (300V AC) |
| II (600V AC) | |
| insulation | reinforced insulation |
| galvanic isolation of the current measurement input relative to all other potentials | |
| insulation | Functional insulation |
| galvanically isolated digital I/O | |
| insulation | Functional insulation |
| electrical isolation communication interface | |
| insulation | Functional insulation |
| Power | |
| Supply Voltage Range | 100V AC ... 400V AC (±20 %) |
| 150V DC ... 250V DC (±20 %) | |
| power consumption | ≤ 4W |
| Rated frequency | 50Hz ... 60Hz (AC sinusoidal) |
| Overview | |
| measuring principle | True Root Mean Square Value Measurement (TRMS) |
| measured value | AC sinusoidal (50Hz/60Hz) |
| harmonic current acquisition | up to 63rd harmonic |
| Input Description | digital input conforming to IEC/EN 61131-2 (type 3) |
| number. | 1 |
| voltage input signal | 24V DC |
| 0V DC ... 30V DC | |
| current input signal | 2 mA ... 15 mA |
| protection | 250 mA (fast fuse) |
| protection circuit | Prevent wrong DC connection (max. 30V) |
| measurement: voltage | |
| Enter Name | voltage measurement inputs V1,V2,V3 |
| Input Voltage Range Direct | 35V AC ... 690V AC (phase/phase) |
| 20V AC ... 400V AC (phase/neutral conductor) | |
| input voltage range via external current transformer | 60V AC ... 2000000V AC (Primary) |
| 60V AC ... 400V AC (secondary) | |
| surge power | 760V AC (phase/phase) |
| accuracy | 0.2 percent |
| power consumption | < 2 VA |
| measurement: current | |
| Enter Name | current measurement I1, I2, I3 |
| input current | 1 A (secondary) |
| 5 A (secondary) | |
| Measurement range | 1 A ... 20000 A (primary) |
| Overload | 6 A (Ithe largest) |
| Measurement Range Rating | 10 mA (1 A) |
| 50 mA (5 A) | |
| accuracy | 0.2 percent |
| current overload | 50 A,1 second |
| 20 A(4 x IN, continuous) | |
| power consumption | < 0.5 VA |