Evaluate devices by installation fit, monitoring quality, data access, and whether they make sense in a real home after the hardware is installed.
Shelly S4SW-001P8EU
A compact single-channel smart relay with direct power and energy measurement for lights and small appliances up to 8 A, suited to wall-box retrofits where local control and Home Assistant support matter.
Shelly S3EM-003CXCEU63 / Shelly 3EM-63T Gen3
A compact Shelly Gen3 three-channel energy meter with flat terminals, 63 A per-phase monitoring, local Wi-Fi access, photovoltaic-ready four-quadrant measurement, and strong Home Assistant fit for homeowners or installers who want circuit, three-phase, or solar import/export visibility without a separate hub.
Shelly EM
A practical single-phase energy monitor for homeowners who want an easier retrofit path, better Home Assistant fit, and clearer visibility into whole-home use or a couple of important circuits.
Shelly EM Gen3
A compact retrofit monitor for single-phase homes that want real-time circuit visibility and stronger local-integration options than many app-only consumer monitors.
Shelly S4EM-002CXCEU
A compact single-phase, two-channel CT energy meter with a 120 A supported range, local data logging, optional cloud use, Home Assistant support, and Wi-Fi 6, Zigbee, Matter, MQTT, and RPC connectivity.
Shelly S4EM-001PXCEU16
A compact 16 A inline smart energy meter for monitoring a single appliance or small circuit, with Wi-Fi, Zigbee, Bluetooth, Matter, local web/API access, MQTT/HTTP/WebSocket support, and optional Shelly cloud features.
Shelly S3PM-001PCEU16
A compact single-channel, direct-wired Wi-Fi meter for appliances and small circuits up to 16 A, with local APIs, Home Assistant support, and separate consumed/returned energy data.
Shelly SPEM-003CEBEU / Shelly Pro 3EM 120A v2
A modern three-phase Shelly meter for larger homes, workshops, and solar-heavy households that want whole-home visibility with strong local networking and automation options.
Shelly Pro 3EM-3CT63 / SPEM-003CEBEU63
A DIN-rail single- or three-phase energy meter with a combined 63 A three-phase current transformer, LAN/Wi-Fi connectivity, local automation protocols, and photovoltaic-ready 4-quadrant measurement.
Shelly SPEM-003CEBEU400
A 400 A CT version of Shelly's DIN-rail Pro 3EM energy meter for larger residential, light commercial, and solar-aware panels that need three-phase monitoring with local LAN options and Home Assistant-friendly integration.
Shelly SPEM-002CEBEU50
A DIN-rail single-phase, dual-channel 50 A CT energy meter with Class B accuracy, local history, Ethernet and Wi-Fi, Home Assistant support, four-quadrant solar monitoring, and contactor control.
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