Main Circuit Diagram - Delta IED-S Series User Manual

4-1 Main Circuit Diagram

Frame C and D
Frame E
Terminal Symbol
EPS (+, -)
R/L1, S/L2, T/L3
U/T1, V/T2, W/T3
+1, +2/B1
+2/B1, B2
Emergency power or backup power connection terminal
NOTE: EPS (Emergency Power Supply) input terminal supports only frames C & D.
Commercial power input terminal
AC motor drive output terminals for connection a three-phase induction
motor.
Connections for DC reactor to improve the power factor. Remove the jumper
before installing a DC reactor. Frame E has a built-in DC reactor.
Connections for brake resistor (optional).
Ground connection; comply with local regulations.
Chapter 4 Main Circuit Terminals | IED-S
Description
4-3