Description
🔹 Product Overview
The ABB ANR144 (ANR-144-230) is a 144 × 144 mm panel-mounted network analyzer designed for monitoring electrical parameters and power quality in low-voltage distribution systems. ABB documentation identifies the ANR 144-230 as a network analyzer with a backlit 128 × 128-pixel graphic LCD display.
The unit can monitor voltage, current, active and reactive power, power factor, frequency, energy consumption, harmonics, and waveform information. It supports true-RMS measurement and can analyze harmonic components up to the 31st order.
📊 Technical Data
| Parameter | Value |
|---|---|
| Brand | ABB |
| Model | ANR144 |
| MPN | ANR-144-230 |
| Series | ANR Network Analyzer |
| Product Name | Network Analyzer Display Unit |
| Product Type | Panel-Mounted Electrical Network Analyzer |
| Display | 128 × 128 Pixel Backlit Graphic LCD |
| Measurement | Voltage, Current, Power, Energy, PF, Frequency, Harmonics |
| Power Supply | 85–265 VAC/DC |
| Dimensions | 144 × 144 × 66 mm |
| Weight | Approx. 430 g |
| Frequency Range | 30–500 Hz |
| Voltage Measurement | 10–600 V direct |
| Current Measurement | 0.01–5 A via internal CT inputs |
| Harmonic Analysis | Up to 31st harmonic |
| Front Protection | IP52 |
| Terminal Protection | IP20 |
| Condition | Used |
⚙️ Measurement & Monitoring
The ANR144 provides true-RMS voltage and current measurement with current and voltage accuracy below 0.5%. Power and power-factor accuracy are specified below 1%, while active-energy accuracy is below 1%.
Three isolated current inputs are provided for CT-based measurement. The analyzer supports configurable voltage and current transformer ratios, making it suitable for different low-voltage distribution arrangements.
🔌 Communication & Integration
Depending on the installed configuration and expansion cards, the ANR family supports communication and output functions including Modbus, Profibus, ASCII, Ethernet, programmable analog outputs, digital outputs, pulses, alarms, and status acquisition.
For system replacement, the exact installed communication and expansion-card configuration should be checked before ordering. ABB documentation also indicates that the ANR144 family was later phased out and its functions were replaced by newer ANR96 variants.
🛠️ Installation & Maintenance Notes
- Verify the ANR-144-230 supply version before energizing the unit.
- Confirm CT polarity, CT ratio, and voltage input configuration during installation.
- Check the panel cutout and rear terminal clearance before replacement.
- Inspect the LCD backlight and front keypad/display operation during functional testing.
- When replacing an existing analyzer, record communication settings and transformer ratios before removing the original unit.
- Do not assume an ANR144-24 and ANR144-230 are directly interchangeable because their auxiliary supply ranges are different.
❓ FAQ
Q1: What is the ABB ANR144 used for?
It is a panel-mounted electrical network analyzer for monitoring voltage, current, power, energy, power factor, frequency, harmonics, and related power-quality information.
Q2: What does ANR-144-230 mean?
ANR-144-230 identifies the 144 × 144 mm ANR analyzer version designed for an 85–265 VAC/DC auxiliary supply.
Q3: Does the ANR144 support three-phase measurement?
Yes. The ANR144 can be installed in single-phase and three-phase distribution monitoring applications, including systems using current and voltage transformers.
Q4: What type of display does it use?
It uses a backlit 128 × 128-pixel graphic LCD. The ANR144 display area is approximately 70 × 70 mm.
Q5: Is ANR144 still a current ABB product?
The ANR144 is a legacy product family. ABB documentation states that ANR144 and its auxiliary cards were being phased out and replaced by newer ANR96 variants.
Q6: What should be checked before purchasing a replacement?
Confirm the complete part number, auxiliary supply, communication interface, expansion cards, CT/VT configuration, panel dimensions, and required measurement functions.
⭐ 10 Related ABB Models
- ABB ANR96-230
- ABB ANR96-24
- ABB ANR96P-230
- ABB ANR96P-24
- ABB ANR96PRF
- ABB ANR96LAN
- ABB DMTME-I-485-96
- ABB DMTME-I-485-96-24
- ABB DMTME-I-485-96-230
- ABB M2M Network Analyzer
