Contactor,circuit breaker,solar inverter,electric meter,solar batteries
WM12-96.AV5.3.3.X is a three-phase multifunction power meter of the Italian brand Carlo Gavazzi, designed for panel-mounted electrical parameter monitoring.
WM12-96: Product series, standard panel dimension of 96×96mm.
AV5: Input specification
Line voltage: 320–800V (nominal 400/660V)
Phase voltage: 185–460V
Current: 5(6)A AC (external CT required)
3: System type = Three-phase (including unbalanced load).
3: Power supply = 18…60V DC.
X: Option = Without RS485 communication (S = With RS485).
Core Functions and Specifications
Measured parameters: Voltage, current, power (active/reactive/apparent), power factor, frequency, energy, demand, etc.
Accuracy class:
Voltage / Current: ±0.5% full scale
Power: ±1% full scale
Display: 3 groups of 3-digit LED digital tube.
Protection grade: Front panel IP65.
Model Variant Examples
WM12-96.AV5.3.D.X: 230VAC power supply, no communication.
WM12-96.AV5.3.3.S: DC power supply, with RS485 communication.
Below is the sorted model list of Carlo Gavazzi three-phase multifunction power meters, divided into Panel Mount WM Series and DIN Rail Mount EM Series.
- Panel Mount (96×96mm) WM Series
1) WM12 Series (LED Display, Basic Multifunction)
WM12-96.AV5.3.3.X: 400/660V, 5A CT, three-phase, 18–60VDC, no communication
WM12-96.AV5.3.D.X: 400/660V, 5A CT, three-phase, 230VAC, no communication
WM12-96.AV5.3.3.S: 400/660V, 5A CT, three-phase, 18–60VDC, with RS485/Modbus
WM12-96.AV4.3.3.X: 208–240V, 5A CT, three-phase, DC24V, no communication
2) WM15 Series (LCD Matrix Display, Harmonic Measurement)
WM15-96.AV5.3.3.X: 400V class, 5A CT, self-powered/auxiliary powered, THD harmonic, Class 1 accuracy
3) WM20 Series (Modular, High Accuracy 0.5S Class)
WM20AV53H: 380–690V, 5A CT, three-phase, 100–240VAC/DC, Modbus RTU
WM20AV53M: Same specifications, with M-Bus
WM20AV53P: Same specifications, with Profibus DP
4) WM23-96 Series (High-end Power Quality Analysis)
WM23-96.AV5.3.3.A: 400V, 5A CT, three-phase, 230VAC, basic type
WM23-96.AV5.3.3.AH: With harmonic analysis and alarm output
5) WM40/WM50 Series (Multi-circuit / Large System)
WM40AV53H: Three-phase, 600V, 5A CT, Modbus, extended I/O
WM50-96.AV5.3.3: Max. 96-circuit monitoring, multi-channel CT, Modbus TCP/RTU
- DIN Rail Mount (DIN 35mm) EM Series
1) EM330 Series (Compact Type, 3-module Width)
EM330DINAV53HO1PFB: 400V, 5A CT, three-phase, pulse output, MID certified
EM330DINAV53HS1PFB: 400V, 5A CT, three-phase, RS485/Modbus, MID certified
EM330DINAV53HM1PFB: 400V, 5A CT, three-phase, M-Bus, MID certified
2) EM340 Series (Direct Connection 65A, Self-powered)
EM340DINAV23XS1X: 208–400V, direct 65A connection, three-phase, self-powered, RS485
EM340DINAV23XO1X: 208–400V, direct 65A connection, three-phase, self-powered, pulse output
3) EM530/EM540 Series (New Generation, MID Certified)
EM530 (5A CT Input)
EM530DINAV53XO1PFB: 400V, 5A CT, three-phase, pulse output, MID certified
EM530DINAV53XS1PFB: 400V, 5A CT, three-phase, RS485/Modbus, MID certified
EM540 (Direct Connection 65A)
EM540DINAV23XO1PFB: 400V, direct 65A connection, three-phase, pulse output, MID certified
EM540DINAV23XS1PFB: 400V, direct 65A connection, three-phase, RS485/Modbus, MID certified
4) EM24 E1 Series (Ethernet, High-end Analysis)
EM24E1DINAV53: 400V, 5A CT, three-phase, Modbus TCP/IP, MID certified, harmonic analysis
- Model Naming Rule (Quick Reference)
Take WM12-96.AV5.3.3.X as an example:
WM12-96: Series + panel dimension (96×96mm)
AV5: Voltage/current specification (AV5=400/660V, 5A CT)
3: System (3=Three-phase)
3: Power supply (3=18–60VDC; D=230VAC; X=Self-powered)
X/S: Communication (X=None; S=RS485/Modbus)
