Product Description
The HGR41EW series is part of the easywire® family of meters, designed to save up to 90% installation time compared to standard meter and current transformer installations. This MID approved DIN rail mounted multifunction energy meter is suitable for monitoring energy consumption and other electrical parameters in industrial and commercial applications. It is certified for billing purposes and features a high-efficiency white backlit LCD display for clear indication of measured values in all light conditions. Push-buttons on the front allow user access to the required display pages.
The meter is available in two versions:
- With single pulse output and RS485 Modbus communication
- With single pulse output and Mbus communication
The unit is housed in a compact four-module width housing suitable for DIN rail mounting.
Technical Specifications
Display
| Display Type | LCD, high definition with white back-light |
| Digit height | 6.35mm (displayed parameter) |
| Page scrolling | Manual by front key / or auto scroll mode |
Displayed Parameters and Accuracies
| Parameter | Accuracy |
|---|
| Voltage | 0.5% of full scale |
| Current | 0.5% of full scale |
| Frequency | 0.1% of full scale (L-N >20V) |
| Power factor | 1% of unity |
| Active power | 1% |
| Reactive power | 1% |
| Apparent power | 1% |
| Active Energy | Class 1, Class B (IEC/EN62053-21, IEC/EN50470) |
| Reactive Energy | Class 2 (IEC/EN62053-23) |
| Energy maximum display | 9999999 |
| Resolution | 0.01K, 0.1K, 1K, 0.01M, 0.1M (depending on CT ratio & VT ratio) |
Programming
Parameters can be changed using the programming menu. Note: Once Programming Mode is entered, values in red will be locked out after 15 minutes. No further adjustment is possible without returning to the factory.
Programmable Parameters:
- CT Primary current
- VT primary voltage
- VT secondary voltage
- Communication address
- Communication speed (Baud)
- Communication Parity
- Communication number of stop bits
- Back-light time-out period
- Demand period (for integration)
- Pulse duration
- Pulse output (kWh)
- Reset to Factory Default
- Reset Energy and Maximum Demand
- Reset Active Energy
- Reset Reactive Energy
- Reset Apparent Energy
- Reset Maximum Current
- Reset Maximum Active Power
- Reset Minimum Active Power
- Reset Maximum Reactive Power
- Reset Minimum Reactive Power
- Reset Maximum Apparent Power
Programming access: Password protected (user selectable)
Memory retention: Non volatile memory
Input Specifications
| Connection | Three phase four wire |
| Input voltage range | 3 x 100...240V (L - N), 3 x 173...415V (L - L) |
| Voltage Rated Burden | <8VA |
| Nominal current input | easywire® - 1A (330mV) |
| Max current (Imax) | easywire® - 1.2A (396mV) |
| Current Rated Burden | N/A - easywire® input |
| Starting current | 2mA (0.66mV) |
| Short time overcurrent | 30 x Imax to IEC/EN62053-21 + 23 |
| Impulse voltage withstand | 6kV 1.2/50µS 0.5J |
| AC voltage withstand | 4kV 50Hz for 1 min |
| CT primary current | 5...6000A |
| VT primary voltage | 100...600V |
| Frequency | 50Hz |
| Current distortion factor | According to IEC/EN50470 |
Auxiliary Supply
| Voltage range | Self supplied from measuring input |
| Operating frequency | See input section |
| Power consumption | See input section |
Outputs
Energy pulses
| Number of pulse outputs | 1 |
| Pulse output function | kWh |
| Pulse output type | 1 |
| Pulse output Max. current | 100mA |
| Pulse output voltage range | 5...27VDC |
| Pulse duration | 100ms...2s |
| Pulse resolution | 0.01K, 0.1K, 1K, 0.01M, 0.1M (depending on CT ratio & VT ratio) |
Communication - Modbus Version
| Communication type | RS485 |
| Communication protocol | Modbus |
| Address | 1...255 |
| Number of bits | 8bits |
| Parity | None, odd, even |
| Baud rate | 300, 600, 1200, 2400, 4800, 9600, 19200 |
| Required response time to request | <100ms |
| Number of meters connected on the bus | 32 (up to 255 with RS485 repeater) |
| Max distance from Master device | 500M |
Insulation
| Installation category | III |
| Pollution degree | 2 |
| Insulation voltage rating | 300V (L-N) |
Environmental Conditions
| Reference temperature | 23°C ±2°C |
| Specified temperature operating range | -10°C...+55°C |
| Storage temperature | -20°C...+75°C |
| Relative humidity | 0...85%, non condensing |
| Mechanical environment | M1 |
| Electromagnetic environment | E2 |
Mechanical
| Housing | 4 module DIN 43880 |
| Mounting | Snap-on 35mm rail |
| Tamper sealing | Meter housing (by means of a tamper evident seal). Sealable terminal covers. |
| Housing material | Self-extinguishing polycarbonate (UL94 V-0) |
| Protection degree (IEC/EN60529) | IP20 (terminals), IP54 (front of housing) |
| Weight | <210g |
Termination
| Current input terminal type | RJ45 |
| Max. wire size | N/A |
| Voltage input terminal type | Pluggable terminal block - Screw clamp type |
| Max. wire size | 2.5mm² |
| Voltage output terminal type | Pluggable terminal block - Screw clamp type |
| Max. wire size | 2.5mm² |
| Communication output (RS485 and Pulse) | Pluggable terminal block - Screw clamp type |
| Max. wire size | 1.5mm² |
Conformity
| Electromagnetic compatibility | IEC/EN61326-1, IEC/EN55011 Class A, IEC/EN61000-4-2, -3, -4, -5, -6, -8, -11 |
| Accuracy and functionality | IEC/EN50470-1/3 |
| Safety | IEC/EN50470-1/3, IEC/EN62053-21, IEC/EN62053-23, DIRECTIVE 2014/32/EU, IEC/EN61010, IEC/EN62053-31 |
Visuals and Diagrams
Product Image
A front view of the HGR41EW energy meter is displayed. It features a high-definition white backlit LCD screen showing '243.2' and '138.3' with units 'A' and 'kWh' respectively. Below the screen are buttons and indicator LEDs. The meter is compact, designed for DIN rail mounting, and includes '[MID Certified]' and '[CE Marked]' markings.
Wiring Diagram
The wiring diagram illustrates a '3 Phase 4 Wire - 1 CT' connection. It shows connections for LINE (L1, L2, L3, N) and LOAD (L1, L2, L3, N). Terminal blocks are labeled for CT Input (RS485, NC, PULSE OUTPUT), Voltage Input (V1, V2, V3, N), and Voltage Output (N, V1, V2, V3). A note specifies fuse types (Class CC UL type, fast acting 600V, Max. 3A) and that actual rating depends on system design.
Dimensions
The dimensions diagram shows the meter's physical size. Key measurements are: Height 118.5mm, Width 70mm, Depth 66mm, and a mounting depth of 45mm. The overall width is 4 modules.
