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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📲 Get De Energy Hub app
Download De Energy Hub to search for parking and EV charging by location, book in advance or scan the QR code on arrival, then check in via the app.
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List your car park chargers as bookable assets — earn while you work
Your solar-powered car park chargers can become a bookable revenue stream. EV drivers find your chargers in the app, see your energy rate — Pure Solar from your roof — and book in advance. Remove the headache from reception. Automated check-in, check-out and notifications handle everything. Filter by charger type so Type 2, CCS, CHAdeMO and EHU spaces are always matched correctly.
💡 Also consider
Other smart energy management products in our Irish directory.