Multi-Circuit and Sub-Metering with OWON Energy Meters
Short answer: The OWON PC341 monitors whole-home energy and up to 16 individual circuits with 50 A sub CTs. For one meter per circuit or load, DIN rail meters such as the PC472, PC473 and PC4713 can be placed in the distribution board.
Which approach should I use?
| Approach | OWON option | Notes |
|---|---|---|
| One device for the whole supply plus many circuits | PC341-W-TY/N | Main CTs (200 A default) plus up to 16 × 50 A sub CTs; Wi-Fi and Tuya |
| One DIN rail meter per single-phase circuit | PC472-W-TY/N, PC472-W-TY/R/N | Two CTs, DIN rail; the R version adds a max. 16 A dry contact relay |
| One DIN rail meter per three-phase feed | PC473, PC4713 | Three CTs; PC473 adds a 10 A / max. 16 A relay; PC4713 adds Ethernet or an open API |
Standard PC341 models
| Model | System | Main CTs | Sub CTs |
|---|---|---|---|
| PC341-W-TY/200A*2 | Split-phase (US) | 2 × 200 A | None |
| PC341-W-TY/200A*2/50A*16 | Split-phase (US) | 2 × 200 A | 16 × 50 A |
| PC341-W-TY/200A*3 | 3-phase (EU) | 3 × 200 A | None |
| PC341-W-TY/200A*3/50A*16 | 3-phase (EU) | 3 × 200 A | 16 × 50 A |
Why sub-meter?
- Find which circuits use the most energy, such as solar, lighting and receptacles.
- Track the energy of individual tenants, machines or departments for internal reporting.
- Combine measurement with a relay on the models that include one.
OWON products for this solution
OWON PC341-W-TY/N Wi-Fi Multi-Circuit Energy MonitorWi-Fi multi-circuit meter: whole-home plus up to 16 individual circuitsWi-FiTuyaOWON PC472-W-TY/N Wi-Fi Single-Phase DIN Rail Power MeterWi-Fi single-phase DIN rail meterWi-FiTuyaOWON PC472-W-TY/R/N Wi-Fi Single-Phase DIN Rail Power Meter with RelayWi-Fi single-phase DIN rail meter with 16 A relayWi-FiTuyaOWON PC473-W-TY/R/N Wi-Fi Power Meter with RelayDIN rail single / three-phase Wi-Fi meter with 16 A relayWi-FiTuyaOWON PC4713-W-485 Open API Smart Energy MeterDIN rail three-phase energy meter with Open API (Wi-Fi and RS485)Wi-FiRS485 / EthernetOpen API
Frequently asked questions
How many circuits can the PC341 monitor?
According to the datasheet, the PC341 monitors whole-home energy and up to 16 individual circuits using 50 A sub CTs.
Related guides
- How to Choose a Smart Energy Meter: A Buyer's ChecklistA practical checklist for choosing a smart energy meter: supply type, CT rating, accuracy, communication, integration and certifications...
- Single-Phase vs Three-Phase Smart Energy MetersLearn the difference between single-phase, split-phase and three-phase energy monitoring, and which smart meter type fits a home, building...
Discuss this solution with OWON
Tell us your application, target market and quantity. Our sales team replies with datasheets, protocol documents and pricing.
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