This electricity sub meter provides an easy way to track electricity use of three phase sites or loads consuming up to 100A of power per phase.
Just like our single phase 45A and 80A sub meters it can be DIN rail mounted and includes a back-lit LCD display screen.
Keep track of three phase circuits with applications including:
- Workshops, warehouses, farms or rural properties
- Cooling equipment such as cool rooms, freezer rooms, large air conditioning systems
- Electricity intensive heating equipment: ovens, dryers, boilers or other industrial and process equipment.
- Three phase electric vehicle / electric car charger monitoring.
The display screen shows total (cumulative) usage in kWh. It is designed to be installed at your electricity switch board or meter board.
3 Phase kWh Sub Meter - Specifications
| Nominal Voltage | 230V / 400V AC (3 phase) |
| Operational Voltage | 161-279V / 300-520V AC (3~) |
| Current | 100A maximum per phase |
| Accuracy | Class 1 (± 1% accuracy) |
| International Standard | IEC 62053-21 |
| Frequency | 50Hz |
| Display Reading | kilowatt-hours (kWh) |
| Max Reading | 999,999.99 kWh, non-resettable |
| Display Type | LCD with backlight |
| LED Pulse Output | 400 impulses per kWh |
| Wired Pulse Output | Optional, not required for metering. (Terminals marked 20 & 21 on meter). See Manual for details. |
| Internal Power Use | <2W / 10VA per phase |
| Data Storage |
20 years without power |
| Operating Temperature | -25°C to 55° Celsius |
| Protection | IP51 enclosure. AC voltage withstand 2KV for 1 minute, impulse voltage withstand 6KV for 1.2µS. |
| Cable Size | Up to 50mm² (8mm diameter) |
| Dimensions | 110mm high x 70mm wide x 64.5mm deep. (90.5mm tall with covers removed) |
| Weight | 335 grams |
| Installation | Must be completed by an electrician. Standard DIN RAIL mount, four slots wide. |
| Further Details |
Brochure (PDF) Wiring Diagram (JPG) |
Frequently Asked Questions
Does it store data in a blackout or power outage?
Yes - data will remain stored for up to 20 years without power.
Is the display backlit?
Yes - it has an always on green blacklight, allowing you to note readings at night or in low light.
Can I use it with a wireless energy monitor?
Yes - the PowerPal Smart Meter App can be paired with this sub meter. This allows you to track your usage in more detail. The impulse setting for this meter is 400imp/kWh.