A registry listing is a starting point. CEC inclusion is not nationwide installation approval. Confirm the exact model and configuration with your utility and local authority.
How to use this dataEquipment overview
Bi-directional digital power meter for MODBUS network
The figures below refer to WattNode WNC-3Y-400-MB. Use the configuration table for other variants.
- Power rating
- Not applicable
- Display type
- Computer Monitor
- PBI meter as reported
- N
- Technology
- Not reported
Specifications are reported in the CEC source; SolarApprovals has not independently tested this equipment. A missing value does not mean zero or a failed certification.
Exact configurations
CEC annotations in braces identify the listed configuration and are not part of the manufacturer’s model number. Variants share this canonical page.
| CEC model / configuration | Power rating | Voltage / display | Observation | Compare |
|---|---|---|---|---|
| WattNode WNC-3Y-400-MBMeter_List row 120 | Not applicable | Computer Monitor | Listed in CEC |
Source specifications and conditions
Additional source information for WattNode WNC-3Y-400-MB. Qualifiers, reported control modes and required devices are retained as written. Power-control listings do not establish arbitrary battery/inverter pairings.
- Display type
- Computer Monitor
- Source notes
- Bi-directional digital power meter for MODBUS network
- PBI meter as reported
- N
Documented compatibility
No specific equipment pairing has been verified for this model.
Shared voltage, a hybrid designation, or the same manufacturer does not establish compatibility. Check the manufacturer’s installation documents for exact model combinations, firmware, and operating conditions.
Registry observation history
Dates show when SolarApprovals observed a status. The first observation is not the original CEC listing date. History begins with our first import.
- Sep 21, 2026 · California Energy CommissionFirst observed: Listed in CECWattNode WNC-3Y-400-MB
Archived CEC source