SATEC C191HM - Manual (Page 17)

Chapter 2 Installation 8
2.2 Electrical Installation
Before installation ensure that all incoming power sources are shut
OFF. Failure to observe this practice can result in serious or even fatal
injury and damage to equipment.
2.2.1 Power Supply Connection
The power supply can be dedicated-fused, or from a monitored voltage if it is
within the instrument’s power supply range. Use an external circuit breaker or
switch.
AC power supply: line to terminal 12; neutral to terminal 10.
DC power supply: positive to terminal 12; negative to terminal 10.
2.2.2 Current Inputs
Connect the instrument to the current transformer as shown in Figures 2-2
through 2-8.
2.2.3 Ground
Connect the chassis ground C191HM terminal to the switchgear earth ground
using dedicated wire of greater than 2.5 mm
2 /13 AWG.
2.2.4 Voltage Inputs
Input of 690V (Standard): Use any of the seven wiring configurations shown in
Figures 2-2 through 2-8.
Input of 120V (Option U): 120V input usually implies use of a potential
transformer (PT). The PT requires use of any of the four wiring configurations
shown in Figures 2-4 through 2-7.