Device Comparisons

Compare devices side by side

Choose 2 to 4 devices, or open an editor-picked comparison.

Free Compare

Build your own comparison

Clear
Selected Devices

Refoss Open API Smart Energy Monitor EM16P vs ABB B23 112-100

Install fit
Phase support Single-phase 2-wire, split-phase 3-wire, and 3-phase 4-wire Wye systems with grounded neutral; not for Delta systems. Three-phase 3- or 4-wire systems; ABB B23 112-100 is specified for 3x220-240 V / 3x380-415 V contexts.
Installation Indoor electrical-panel CT installation with clamp-on main and branch-circuit sensors. DIN-rail mounted direct-connected electricity meter; 4 DIN modules with hard-wired three-phase installation by a qualified installer.
Measurement CT-based whole-home and circuit-level energy monitor with consumption, feed-in, voltage, current, power, power factor, and energy statistics. Three-phase direct-connected active-energy meter for sub-metering, building energy monitoring, and Modbus/pulse data collection.
Max current 200 A 65 A
Meter fit
Accuracy class +/-2% measurement accuracy Active energy Class 1.0 / Class B MID
Current sensing 2 main CT sensors up to 200 A each plus 16 branch-circuit CT sensors up to 60 A each. Whole-current direct connection up to 65 A; no external CTs for the B23 112-100 direct-connected model.
Monitoring
Protocol Wi-Fi / local Web UI / Refoss Open API / MQTT / Home Assistant Modbus RTU
Local API Yes Yes
Cloud dependency Can operate offline with local Web access, Refoss Open API, and MQTT; Refoss app/cloud storage is optional for remote app charts and long-term history. No vendor cloud is required; data is local over RS-485 Modbus RTU or pulse output.
Home Assistant Yes Yes
Solar fit
Solar import/export Yes No
Buying context
Price range Unknown About $150-$300
Availability United States and Canada through Refoss official online store; broader availability depends on regional store and reseller channels. ABB global / IEC distributor markets for B23 112-100; use ABB's B23 112-500 UL variant for the current U.S. B23 lane.
Source check
Last verified Jun 8, 2026 Jun 15, 2026
Product page Official page Official page
Documentation Official docs Official docs
Featured

Editor-picked comparisons

Growatt MIN 3000-6000TL-X Growatt MIN 2500-6000TL-XH

Growatt MIN TL-X vs MIN TL-XH

A quick homeowner comparison between Growatt single-phase string and battery-ready inverter families.

Growatt MIN 3000-6000TL-X / Growatt MIN 2500-6000TL-XH