3.
Install current transformers: model PQ3iaB-Portable-4V8I-480V-000-XXXX
The PQube 3 Portable 480V is compatible with traditional split-core current transformers (with 333 mV voltage
output) and flexible current transformers (Rogowski coils with 333 mV voltage output).
The PQube 3 Portable 480V includes four flexible CTs with bayonet style connectors for the L1, L2, L3 and N
conductors. A split-core 5A CT with bayonet style connectors is included for monitoring ground current.
If using the split-core 5A CT, clamp the CT around the ground conductor with the (white) label facing the source.
Clamp the flexible CTs around each phase conductor. There is an arrow indicator at the junction of each
Rogowski coil (see in the picture below). Ensure the arrow points towards the source.
Connect the secondary wires of the CTs to the PQube 3 Portable 480V to the bayonet style terminals (see picture below).
L1, L2, L3 current flexible CT outputs connect to
terminals I1, I2, I3.
If monitored, the neutral current flexible CT output
connects to I4 terminal.
If monitored, the ground current CT connects to
the I5 terminal
Before continuing, verify that each CT is connected to the correct terminal on the PQube 3 Portable 480V enclosure.
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