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A-74
Functions and
characteristics
Accessories and auxiliaries
Selection of auxiliaries
for Compact NSX100/160/250
Standard
All Compact NSX100/160/250 circuit breakers and switch-disconnectors have slots
for the electrical auxiliaries listed below.
5 indication contacts
(see page A-80)
2 ON/OFF (OF1 and OF2)
b
1 trip indication (SD)
b
1 fault-trip indication (SDE)
b
1 earth-fault indication (SDV), when the device is equipped with a Vigi module.
b
1 remote-tripping release
(see page A-83)
either 1 MN undervoltage release
b
or 1 MX shunt release.
b
Remote indications
Circuit breakers equipped with Micrologic trip units may be equipped with a fault-trip
indication to identify the type of fault by installing:
1 indication module with two outputs
(see page A-81)
either an SDx module with Micrologic 2.2 / 5.2 A or E / 6.2 A or E
b
or an SDTAM module with Micrologic 2.2 M or 6-2 E-M (motor protection).
b
This module occupies the slots of one OF contact and an MN/MX release.
All these auxiliaries may be installed with a motor mechanism or a rotary
handle.
The following table indicates auxiliary possibilities depending on the type of trip unit.
NA, TMD, TMG, MA
Standard
DB115583
OF1
S
D
OF
2
S
DE
S
D
V
Motor
m
ech
a
nis
m
/
rot
a
ry h
a
ndle
MN /
M
X
DB111392
S
D
OF1
OF
2
S
D
V
S
DE
MN /
M
X
Micrologic 2 / 5 / 6
Standard
Remote indications via SDx or SDTAM
DB115584
OF1
S
D
OF
2
S
DE
Motor
m
ech
a
nis
m
/
rot
a
ry h
a
ndle
MN /
M
X
DB115585
S
Dx /
S
DT
A
M
Motor
m
ech
a
nis
m
/
rot
a
ry h
a
ndle
2
4
V
DC
supply ter
m
in
a
l bloc
k
The SDx or SDTAM uses the OF1 and MN/MX slots.
External connection is made via a terminal block in the OF1 slot.
The 24 V DC supply provides for the Micrologic 5 / 6 display when the device is OFF or under
low-load conditions.
or
559E1860.indd
version: 1.0