EPM-04C-DIN - Measuring equipment ENTES - Free user manual and instructions
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| Product Type | DIN-Rail Mounted Power Meter |
| Model | EPM-04C-DIN |
| Brand | ENTES |
| Dimensions | Approx. 72 x 90 x 65 mm (4 modules wide) |
| Weight | Approx. 200 g |
| Power Supply | Self-powered from measurement inputs (L1-L2) or auxiliary 230 V AC |
| Measured Parameters | Voltage (V), Current (A), Active Power (W), Reactive Power (VAR), Apparent Power (VA), Power Factor, Frequency, Active Energy (kWh), Reactive Energy (kVARh) |
| Input Voltage Range | 3x230/400 V AC (L-N / L-L) |
| Input Current Range | 1 A or 5 A via external CT (option) |
| Accuracy Class | Class 1 (active energy) per IEC 61557-12 |
| Display | Backlit LCD, 4 lines |
| Communication | Modbus RTU via RS485 |
| Operating Temperature | -10°C to +55°C |
| Mounting | DIN rail (EN 60715) |
| Protection Degree | IP20 (front face), IP10 (terminals) |
| Safety Standards | IEC 61010-1, IEC 61557-12 |
| Maintenance | No user-serviceable parts; wipe with dry cloth only |
| Spare Parts / Repairability | Not individually repairable; replace unit if faulty |
| Warranty | 2 years (standard) |
Frequently Asked Questions - EPM-04C-DIN ENTES
How do I install the EPM-04C-DIN?
Mount the device on a DIN rail (EN 60715). Connect voltage inputs (L1, L2, L3, N) and current inputs via external CTs (1A or 5A). Ensure the power supply is connected as per the wiring diagram in the manual.
What is the accuracy of the power meter?
The EPM-04C-DIN has an accuracy class of 1 for active energy according to IEC 61557-12, meaning a maximum error of ±1%.
Can I read the energy consumption remotely?
Yes, the device supports Modbus RTU communication via RS485, allowing remote reading of all measured parameters.
What is the maximum current it can measure?
The meter measures current via external current transformers (CTs) with a secondary rating of 1A or 5A. The primary current depends on the CT ratio chosen.
Does the meter require an external power supply?
It can be self-powered from the voltage measurement inputs (L1-L2) or optionally powered by an auxiliary 230 V AC supply. Refer to the manual for details.
How do I reset the energy counters?
Press and hold the 'SET' button for 3 seconds to access the reset menu. Use the arrow keys to select 'Reset' and confirm. Partial and total counters can be reset separately.
What Modbus settings are available?
The default baud rate is 9600 bps, with 8 data bits, no parity, 1 stop bit. The device ID can be set from 1 to 247 via the front panel.
Is the meter suitable for single-phase systems?
Yes, it can be used in single-phase (1P2W) or three-phase (3P4W, 3P3W) configurations by selecting the appropriate wiring mode in the settings.
What does the LCD display show?
The backlit LCD shows multiple pages: voltage per phase, current per phase, power values, power factor, frequency, and energy counters. Scroll using the arrow keys.
How do I clean the device?
Disconnect power before cleaning. Use a soft, dry cloth to wipe the front panel. Do not use solvents or abrasive cleaners.
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USER MANUAL EPM-04C-DIN ENTES
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Product information
Brand : ENTES
Model : EPM-04C-DIN
Category : Measuring equipment