Entes MPR-45S - Connection and Installation; Supported Electrical Connection Types

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4. CONNECTION
Device has 5 di󰀨erent connection congurations. These congurations are explained with diagrams
below:
4.1. 3P4W (Three Phase Four Wires) Connection
In this connection type, four voltage and four current connections are made, including the neutral line.
MPR-4X PR-4X-OG/OGT
M
PR-4X-PM
M
Note: Neutral current transformer which connected to K4 and L4 is optional in MPR-4X.
4.2. 3P3W (3 Phase 3 Wires) Connection
For this conguration, three voltage connections and four current connections are used.
MPR-4X MPR-4X-OG/OGT MPR-4X-PM
Note: Neutral current transformer which connected to K4 and L4 is optional in MPR-4X.