CIRCUTOR QNA500 series - Manual (Page 15)

POWER QUALITY ANALYZER QNA500 8IO
QNA500 8IO Instruction manual 15 / 111
5.5.2.- VOLTAGE AND CURRENT CONNECTIONS
TERMINAL DESCRIPTION
IL1 S1 S1 connection of CT Phase 1
IL1 S2 S2 connection of CT Phase 1
IL2 S1 S1 connection of CT Phase 2
IL2 S2 S2 connection of CT Phase 2
IL3 S1 S1 connection of CT Phase 3
IL3 S2 S2 connection of CT Phase 3
ILN S1 S1 connection of CT Neutral
ILN S2 S2 connection of CT Neutral
ILEAK S1 S1 connection of the earth leakage current transformer (I leak)
ILEAK S2 S2 connection of the earth leakage current transformer (I leak)
V1 Phase 1 voltage input
V2 Phase 2 voltage input
V3 Phase 3 voltage input
VN Neutral voltage input
Vground V Ground voltage input (PE)
Voltage
measurement
I leak
Measurement
Current
measurement