Shelly Pro 3EM Three-Phase Energy Monitor — Ireland 2026
Professional 3-phase DIN rail monitor — used by Irish solar installers as standard
DIN rail mounting, 3-phase measurement plus built-in relay for automatic load control. Widely used by Irish solar installers to provide grid metering alongside SolarEdge and other systems. Integrates with Home Assistant for full home automation. The most capable professional energy monitor for Irish solar installations.
⚙️ Specifications
| Phases | 3-phase (120A) |
| Accuracy | <1% |
| Protocol | Wi-Fi + MQTT + API |
| Smart relay | Built-in |
| DIN rail | Yes |
| Solar input | Yes |
| AI detection | No |
| Smart meter | No |
| Home Assistant | Yes — native |
| Electrician req. | Yes |
💰 Pricing & availability
✅ What we like
- Professional DIN rail mounting — fits inside consumer unit
- 3-phase measurement up to 120A per phase
- Built-in relay for automatic load switching
- MQTT + REST API — excellent Home Assistant integration
- Under €100 — exceptional value for professional specification
⚠️ Worth knowing
- Electrician required for installation
- Wi-Fi only (no ethernet) — not ideal for rack-based server setups
- No AI device detection or smart meter connectivity
🔗 Compatible products
The Pro 3EM Three-Phase Energy Monitor is compatible with the following products available in the De Energy Hub directories.
📚 Related Irish directories
🔨 Complete your home energy system
The Pro 3EM Three-Phase Energy Monitor is Step 4 of a complete Irish home energy system. You need solar panels, an inverter and a battery before it — and a heat pump or hot water cylinder after it to get the maximum return from every unit of solar energy generated.
🚗 Add an electric car — managed by your smart energy system
Smart energy management and an EV are made for each other. Your system already coordinates energy across your home — an EV adds a large flexible load that charges at exactly the right time: solar surplus, lowest tariff, or when your battery is full. See all 205+ EVs in the EV Vehicle Directory.
❓ Questions about the Pro 3EM Three-Phase Energy Monitor
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Guest EV charging — automated, no host involvement required
Holiday home and short-term let owners with solar and an EV charger can offer guest charging on Pure Solar power — fully automated. Set up once, generate a QR code, and let guests book, check in and check out without any host involvement. Include complimentary charging as a listing USP or set a per-session charge — your choice.
💡 Also consider
Other smart energy management products in our Irish directory.