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Essential details:1408-EM3A-ENT Allen-Bradley power monitor module
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1408-EM3A-ENT Allen-Bradley power monitor module
The 1408-EM3A-ENT module connects to a three-phase or split-phase AC power system. It converts the voltage and current values to digital values and then uses the digital values for calculating the power, energy, voltage, and current. Protocols supported by the RS-485 interface include the Modbus RTU slave, DH-485, DF1 half-duplex slave, and DF1 full-duplex protocols. The control input to the device can be either 120 to 240 Volts AC or 125 to 250 Volts DC. The working temperature range for the 1408-EM3A-ENT drive is -10 to 60 degrees Celsius. The dielectric withstand rating complies with the UL61010 and EN61010. Only 22 to 14 AWG copper wire is recommended for wires that terminate on the voltage and current sensing inputs on the 1408-EM3A-ENT drive.