CET PMC-53 Series User Manual

Ceiec Electric Technology
13
2.4 Wiring connections
PMC-53 can satisfy almost any three phase power systems. Please read this section carefully before
installation and choose the correct wiring method for your power system. The following Wiring
Modes are supported:
 3-phase 4-wire Wye Direct Connection
 3-phase 4-wire Wye with 3PTs and 3CTs
 3-phase 3-wire open Delta Direct Connection
 3-phase 3-wire open Delta with 2PTs and 3CTs.
 3-phase 3-wire open Delta with 2PTs and 2CTs
2.4.1 3-phase 4-wire Wye Direct Connection
Please consult the serial number label to ensure that the system phase voltage is less than or equal to
the meter’s voltage input specification.
Set the Wiring Mode to Wye.
Figure 2-4 4-Wire Wye, Direct Connection
Caution
Under no circumstances should the PT secondary be shorted.
Under no circumstances should the CT secondary be open when the CT primary is
energized. CT shorting blocks should be installed to allow for easy maintenance.

CET PMC-53 Series Specifications

General

Brand	CET
Model	PMC-53 Series
Category	Measuring Instruments
Language	English