Hager Electricity Meter - ECM140D
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Product Information
Full details
The Hager ECM140D is a 1-phase energy meter designed for direct metering in sub-distributions, offering accurate consumption tracking. It is ideal for electricians and property managers needing precise energy monitoring. A key benefit is its M-bus interface for integration with data processing systems, though its 40A maximum current rating may limit suitability for very high-demand applications. Key features include a backlit LCD display, double tariff capability, and a backstop mechanism for precise readings.
All features
| Model Part Number | ECM140D |
|---|---|
| Brand | HAGER |
Extended Product Information
FAQs
What is the maximum current rating for this meter?
The Hager ECM140D has a maximum current rating of 40A.
Can this meter be used for three-phase systems?
No, this is a single-phase energy meter designed specifically for 1-phase (N-L) power supplies.
What does the M-bus interface do?
The M-bus (Meter-Bus) interface allows the meter to communicate its readings and status information to a central data collection system, enabling remote monitoring and data logging.
How do I reset the meter?
This meter does not have a user-resettable function. For reset requirements, please consult the official Hager documentation or a qualified installer.
What type of display does the ECM140D have?
It features a 7-digit LCD display (5 digits before the decimal point and 2 after) with backlighting.
What is the accuracy class of this meter?
The ECM140D has an accuracy class of B.
Can this meter measure both imported and exported energy?
The meter displays readings for both positive (import) and negative (export) kWh. The backstop mechanism ensures accurate measurement.
Troubleshooting
Display is blank or not showing readings
Verify that the main power supply is on and correctly connected to the meter's input terminals. Check the circuit breaker for the relevant circuit.
Inaccurate readings or meter not incrementing
Ensure the meter is wired correctly for direct measurement. Check that the load is properly connected. For persistent issues, contact a qualified electrician.
M-bus interface not communicating
Confirm that the M-bus cable is securely connected to both the meter and the data collection system. Ensure the data collection system is configured to recognize the M-bus protocol and the meter's address.
Meter shows "- kWh" reading
This indicates reverse power flow. Check that the wiring is correct to ensure power is only flowing in the intended direction.
Pros and Cons
Pros
- Accurate and reliable energy measurement.
- M-bus interface facilitates data logging and system integration.
- Double tariff capability supports flexible billing.
- Clear, backlit LCD display for easy reading.
- Compact design suitable for sub-distribution boards.
Cons
- Maximum current of 40A may be insufficient for high-load circuits.
- M-bus interface requires compatible receiving systems.
- IP20 rating means it's not suitable for damp or dusty environments without additional protection.
- Requires direct wiring, not a plug-and-play solution.
Setup, Compatibility & Care
Setup:
- Ensure the main power supply is switched OFF before installation.
- Mount the ECM140D securely onto a standard DIN rail (35mm) in your distribution board.
- Connect the live and neutral wires for the single-phase supply directly to the designated terminals.
- Wire the load (your appliance or sub-circuit) to the output terminals.
- Connect the M-bus interface cable to your data collection system, if applicable.
- Restore power and verify readings on the LCD display.
Compatibility:
- This meter is designed for single-phase (N-L) power supplies with a nominal voltage of 230V AC.
- It operates within a frequency range of 45-65 Hz.
- The M-bus interface is compatible with systems that support this communication protocol.
Care:
- Keep the meter clean by wiping it with a dry or slightly damp cloth. Avoid using abrasive cleaners or solvents.
- Ensure the ventilation around the meter is not obstructed to prevent overheating.
- Regularly check connections for tightness.