Intelligent Controller
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（2） Working voltage: 208-240V AC.
（3） Frequency: 50/60Hz.
（4） CT Input: 0.333Vac.
（5） Communication port: RS-485 port.
（6） Communication protocol: Modbus RTU.
Current transformer: Accu CT ACTL-0750-xxx
Parameters of Accu CT ACTL-0750-xxx.
（1） Accuracy: 0.75%.
（2） Frequency: 50 or 60 Hz.
（3） Output Options: 0.333 Vac, 1 V, 100 mA.
（4） Rated primary current of current transformer: Select according to table 2.
Table 2: Reference Table of Load and Mutual-Inductance Ratio
NOTE!
①
“xxx” indicates the full scale current rating.
②
WNC-3D-240-MB must match with Accu CT ACTL-0750-xxx for
operation.
Selection scheme 3
KWH meter model: SIEMENS SENTRON PAC3200
Parameters of SIEMENS SENTRON PAC3200
（1） Measure the 3-phase voltage and electric current. Calculate the forward and
reverse active electricity quantity.
（2） Voltage input: 95...240 V AC、50/60 Hz ±10 % Or 110...340 V DC ±10 %.
（3） Measuring voltage: max 690V/400V AC (L-L / L-N).
（4） Current input: x/5 A.
（5） Communication port: (Ethernet can be expanded to be RS485).
Current transformer: comply with the following parameters.
Parameters of Current Transformer.
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