Phoenix Contact MM-EE-EEM-MA550 1475401 is a multifunction network-parameter meter designed for monitoring energy and electrical parameters in installations up to 600 V AC. The device performs True RMS measurement, supports external 1 A or 5 A current transformers, enables primary-current configuration up to 9999 A and analyzes harmonics up to the 63rd harmonic.
The meter has a backlit LCD display and an RS-485 with Modbus RTU protocol with transmission at 2400–38 400 bit/s. Voltage measurement accuracy is 0,2%, active energy is measured in class 0.5 S according to IEC 62053-22, and reactive energy in class 2 according to IEC 62053-23. The device is panel-mounted, operates at temperatures of −25…+70°C and can be powered with 85–275 V AC or 120–380 V DC.
Shipping costs are not included in the price.
Shipping costs are not included in the price.
Shipping costs are not included in the price.
Shipping costs are not included in the price.
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MM-EE-EEM-MA550 — panel energy meter with Modbus RTU
Phoenix Contact MM-EE-EEM-MA550 1475401 is a multifunction network-parameter meter designed for continuous monitoring of energy and electrical quantities in industrial installations up to 600 V AC.
The device performs measurement according to the True RMS, works with external current transformers with a secondary current of 1 A or 5 A and enables configuration of the primary value up to 9999 A.
Built-in interface RS-485 with Modbus RTU enables measurement data to be transmitted to PLC controllers, SCADA, BMS and energy-management systems. Local reading is provided by a panel LCD display with white backlight.
Accurate measurement, harmonic analysis and Modbus communication
Class 0.5 S
Active energy is measured according to IEC 62053-22 with accuracy class 0.5 S.
63rd harmonic
Harmonic analysis provides additional information about network quality and load characteristics.
Modbus RTU
RS-485 makes it easy to integrate the meter into an industrial monitoring system.
Monitoring network parameters and energy consumption
Direct voltage measurement up to 600 V AC
The MM-EE-EEM-MA550 enables direct voltage measurement in electrical power networks.
The phase-to-phase measurement range is 87–600 V AC, while phase-to-neutral it is 50–345 V AC.
Voltage measurement accuracy is 0,2%, and the supported mains frequency range is from 45 to 65 Hz.
Works with 1 A and 5 A transformers
Current measurement is performed using external current transformers.
The meter supports standard secondary values 1 A and 5 A.
The primary-side current can be configured in the range from 1 to 9999 A, allowing one model to be used in installations with widely varying load levels.
True RMS measurement
The MM-EE-EEM-MA550 uses the True RMS — true root mean square value.
This enables more accurate determination of electrical parameters also in networks with loads that cause waveform distortion.
This is particularly important in industrial installations using inverters, switched-mode power supplies, power-electronic systems and other non-linear loads.
Analysis up to the 63rd harmonic
The meter enables harmonic recording up to the 63rd harmonic.
Harmonic analysis provides information about distortions present in the network and can support power-quality diagnostics.
The function is useful, among other things, when monitoring installations with many non-linear loads.
Class 0.5 S for active energy
The MM-EE-EEM-MA550 provides precise energy measurement in industrial installations.
Active energy is recorded in class 0.5 S according to IEC 62053-22.
For reactive energy, the device meets the requirements of class 2 according to IEC 62053-23.
RS-485 for integration with a higher-level system
Built-in interface RS-485 supports the standard industrial Modbus RTU.
The transmission speed can be set within the range from 2400 to 38,400 bit/s.
Supported parity settings include odd, even and none, making it easier to adapt the meter to an existing communication bus.
Local reading on a backlit LCD screen
The device has LCD display with white backlight.
Panel mounting provides direct access to meter readings from the front of the distribution board.
Combining local reading with Modbus RTU communication allows the device to be used both as a standalone meter and as part of a larger energy monitoring system.
AC or DC power supply
The MM-EE-EEM-MA550 can be powered by either AC or DC voltage.
The supply voltage range is 85–275 V AC or 120–380 V DC.
Power consumption is a maximum of 10 VA for AC power and a maximum of 2 W according to the manufacturer's data.
Screw terminals
Voltage, current and power-supply measurement circuits are connected using screw terminals.
For the main connections, solid and flexible conductors with cross-sections from are supported 0.2 to 2.5 mm².
The RS-485 interface also uses a screw connection and supports conductors with cross-sections from 0,5 to 1,5 mm².
Wide temperature range up to +70°C
Standard 96 × 96 mm panel format
The MM-EE-EEM-MA550 is intended for front-panel mounting a distribution board or control cabinet.
Device dimensions are 96 × 96 × 73,4 mm.
The standard panel format enables easy use of the meter in new installations and when modernizing existing measurement systems.
96 × 96 mm
The standard panel format facilitates installation in the door or front plate of a distribution board.
LCD
The local screen enables parameter reading without using the supervisory system.
+70°C
The wide temperature range increases application possibilities in industrial operating conditions.
Key parameters of Phoenix Contact MM-EE-EEM-MA550
MM-EE-EEM-MA550 in an energy monitoring system
MM-EE-EEM-MA550
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Gross price $270.60incl. %s VATNet price $220.00without 23% VAT
