Shelly Pro EM 50A Energy Meter with Contactor Control: Wi-Fi & LAN connectivity
The Shelly Pro EM 50A is a professional-grade energy meter designed for small business owners who want to slash electricity costs. Track real-time usage on heavy consumers like water dispensers, laminators, and lighting. The dual 50A current transformers give you per-circuit visibility, while the integrated contactor control lets you switch off equipment after hours automatically.
For homeowners with solar panels, this device meters both grid import and renewable export. You can program load control to divert excess solar energy to devices like water heaters or EV chargers, maximizing your self-consumption. The built-in Bluetooth gateway extends your smart home network, and more importantly, everything works without a separate hub.
Setup is straightforward with the Shelly Smart Control App. Create scenes that turn off non-essential loads when you leave, or get an alert if a circuit draws unusual power. Compatible with Alexa and Google Home for voice control, the Shelly Pro EM 50A turns complex energy data into actionable savings.
Features
- Integrated contactor control
- DIN rail mounting
- Single-phase dual-channel
- Bluetooth gateway
- Includes 2x 50A CTs
- Alexa & Google Home compatible
- Wi-Fi & LAN connectivity
General specs
- Brand: Shelly
- Seller: Retailer
- ID: B0CH1JW2CW
- Model: Shelly Pro EM 50A
- Weight: 0.35 lbs
- Voltage: 120-240 V AC
- Channels: 2
- Mounting: DIN Rail
- Frequency: 50/60 Hz
- Standards: UL, CE, FCC
- Dimensions: 3.58 x 1.77 x 2.76 in
- App Control: Shelly Smart Control
- Connectivity: Wi-Fi, LAN, Bluetooth Gateway
- Hub Required: No
- Load Control: Yes
- Power Supply: Via LAN (PoE)
- Voice Control: Alexa, Google Home
- Contactor Control: Yes (potential-free contacts)
- Energy Monitoring: Yes
- Current Transformers: 50A (2 included)
- Operating Temperature: -40 to 104 °F
- Channel Current Max Per: 50 A
- Energy Integration Renewable: Yes
- First listed by seller: May 27, 2026
If you are interested in more details, you can find full information on the seller's page.
Shipping options
Russia
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| Brand | Shelly | eWeLink | KEWEISI | RMshebei | Zemismart | Zemismart |
| Model | Shelly Pro EM 50A | KWS 303WF, KWS 303L, KWS 303 | SPM01 D2TZ U01 ZM | |||
| Color | ||||||
| Rating |
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| Price | RUB 9,374.16 | RUB 1,295.07 | RUB 959.91 | RUB 1,295.07 | RUB 5,334.00 | RUB 2,894.91 |
| Seller | Retailer | Banggood | Banggood | Banggood | Banggood | Banggood |
| Update | May 27, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 |
| Communication Protocol | ZigBee | Zigbee, Zigbee2mqtt, Tuya, Home Assistant | Zigbee3.0 | |||
Pro EM 50A Energy Meter with Contactor Control Wi-Fi & LAN connectivity
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