Electric Connection - Iskra MC320 User Manual

CONNECTION
Electric connection
Voltage inputs of measuring centre can be connected directly to low‐voltage network or via a voltage measuring
transformer to high‐voltage network.
There are two current connection options (defined when ordering):
‐ Through hole transformer
‐ Screw terminal connector
Depending on your current connections, refer to connection table below.
2 Choose corresponding connection from the figures below and connect corresponding voltages and
currents. Information on electrical consumption of current and voltage inputs is given in chapter Inputs
on page 48.
Measuring centres – MC320, MC330, MC350 & MC350H ‐ User's Manual
Connection 1b (1W1b);
Single phase connection
Connection 3b (1W3b)
Three phase, three wire
connection with balanced load
Connection 3u (2W3u)
Three phase, three wire
connection with unbalanced
load
Connection 4b (1W4b)
Three phase, four wire
connection with balanced
load
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