Name: Three Phase 4 Wire 120A Bidirectional kWh Energy Meter With RS485 Communication - Enviro Test Construct -
SKU: ETCWCM-116

Features

WLow power consumption (<0.2VA)
Long distance RS485 communication with Modbus RTU protocol
Measures active, reactive, apparent power, voltage, current, power factor, frequency
High measurement accuracy (Class 1 active energy, Class 2 reactive energy)
Overload capacity: 1.2 times rated current continuous, 2 times for 1 second
ide operating temperature range
Humidity resistant up to 95% non-condensing
Easy installation with digital display

Technical Specifications

Phase	Three Phase, Four Wire
Rated Voltage	3 x 230/400 V, 3 x 277/480 V
Rated Current	3 x 120 A
Measurement	AC kWh, kVarh, Voltage (U), Current (I), Power (P, Q, S), Power Factor (PF), Frequency (F)
Accuracy Class	Active Energy: Class 1 (split CT), Class 0.5 (closed CT); Reactive Energy: Class 2
Power Frequency Withstand Voltage	4 kV AC, 1 minute (between communication & signal input)
Insulation Resistance	>100 MΩ (input/output terminals to casing)
Communication Interface	RS485 (Modbus RTU protocol)
Communication Baud Rate	1200 bps to 38400 bps
Power Consumption	<0.2 VA
Overload Capacity	1.2 times rated current continuous, 2 times for 1 second
Operating Temperature	-4 °F to 131 °F (-20 °C to 55 °C)
Relative Humidity	≤ 95%, non-condensing
Dimensions	3.54 in x 1.77 in x 2.56 in (90 mm x 45 mm x 65 mm)
Weight	4.4 lb (2.0 kg)

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