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PowerPact H-, J-, and L-Frame Circuit Breakers
Wiring Diagrams
163
02/2016
© 2011–2016 Schneider Electric
All Rights Reserved
SDx Module with Micrologic™ Trip Unit
NOTE: The diagram is shown with circuits de-
energized, relays in normal position, and all
devices open, connected, and charged.
Connection
Symbols
SD1, SD3:
SD2:
SD4:
SDx Module Power Supply
Output 1 (80 mA max.)
Output 2 (80 mA max.)
SD2 SD4
Micrologic 3
SDT —
Micrologic 5
SDT or Output 1 PAL I
r
or Output 2
Micrologic 6
SDT or Output 1 SDG or Output 2
Terminal connections shown as O must be connected by the
customer.
Operation
I:
PAL I
r
:
SDG:
SDT:
Q:
Charge Current
Thermal Overload Pre-Alarm
Ground-Fault Signal
Thermal-Fault Signal
Circuit Breaker
Vac
(+) 24–415 V
Vac
(-)
SD1
SD4
SD2
SD3
STD
or output 1
PAL Ir
or SDG
or output 2
SDx
Q
Circuit breaker
trip order
Circuit breaker
reset
PAL Ir
SDG
SDT
Q
> 90 % Ir
I
> 105 % Ir
tr at 6 Ir