Description
Power Quality and Energy Measurement PEM555-451 Power Meter
Advanced power meter providing precise energy measurement and comprehensive power quality analysis for industrial and commercial applications.
| Brand | PEM Instruments |
| Model | PEM555-451 |
| Voltage | 3x 400V / 230V (Three-phase) |
| Country of Origin | Germany |
| Weight | 1.2 kg |
| Dimensions | 120 mm x 90 mm x 60 mm |
| Warranty | 2 years |
| Certifications | CE, IEC 61000-4-30 Class A |
| SKU / MPN | PEM555-451 |
| What’s in the box | Power meter unit, user manual, mounting accessories, communication cable |
| Measurement Accuracy | Class 0.2% |
| Communication Interface | RS485 Modbus RTU, Ethernet (optional) |
| Display | Backlit LCD with graphical interface |
| Power Supply | 85-265 VAC / 100-300 VDC |
| Data Logging | Internal memory with up to 1 year data storage |
| Operating Temperature | -10°C to +55°C |
| Mounting Type | DIN rail |
Key benefits: High precision energy and power quality measurements ensure reliable monitoring and diagnostics, helping to optimize energy consumption and reduce downtime.
Typical applications: Industrial plants, commercial buildings, energy management systems, renewable energy installations, and electrical network monitoring.
Order number: Power Quality and Energy Measurement PEM555-451 Power Meter
Lifecycle: Active
Documentation: User manual, installation guide, and technical datasheet available upon request
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.






Steven R. –
The power supply unit is stable under full load. Better than expected.