Electricity monitor with built-in internal antenna WI-FI 3F+N, WI-MEF-3-OPTI-40

Supply voltage 3× 230/400 V AC (-25%÷15%)
Frequency 50÷60 Hz
3-phase, 4-wire installation
Meter accuracy 1%
Accuracy - measuring transformers 0.5%
Transformers - primary current 40 A
Transformers - secondary current 30 mA
Transformers - cable diameter ?10 mm
Meter constant 1000 imp/kWh
Humidity (non-condensing) ? 90%
Radio frequency 2.4 GHz
WI-FI transmission
Radio power (IEEE 802.11n) ? 20 dBm
Receiver sensitivity -98 dBm
Connection screw terminals 2.5 mm2 (cord), screw terminals 4.0 mm2 (wire)
Tightening torque 0.5 Nm
Power consumption ? 2 W
Operating temperature -20÷50°C
Dimensions 2 modules (35 mm)
Mounting on a 35 mm rail
Degree of protection IP20