Technical information
3/20
1SDC210033D0202
Accessories
Electrical Accessories
Q
cabled (AWG20 cable section -0.5mm
2
):
– for fi xed/plug-in circuit-breakers with 1m long cables;
– for withdrawable circuit-breakers with fi xed part and moving part connector;
Q
not cabled:
– for fi xed/plug-in circuit-breakers with cables from 0.5 up to 1.5 mm
2
in section.
Auxiliary contacts are supplied for each circuit-breaker in the SACE XT family in various different
combinations, as shown in the table. The following items can be ordered to make installation even
more fl exible:
Q
a non-cabled auxiliary contact can create different signals (Q or SY) as the position of the circuit-
breaker it is installed in varies;
Q
a non-cabled S51 auxiliary contact, which can be used for XT2 and XT4 circuit-breakers;
Q
a cabled auxiliary contact, with non numerates cables. Changing the placement in circuit-break-
er, it’s possible to obtain different signals (Q or SY).
Combinations of cabled auxiliary
contacts with cables numbered
XT1 XT2 XT3 XT4
3/4p 3/4p 3/4p 3/4p
1Q 1SY 24V DC F-P F-P-W F-P F-P-W
3Q 1SY 24V DC
–
F-P-W F-P F-P-W
1S51 24V DC
–
F-P-W
–
F-P-W
1Q 1SY 250V AC/DC F-P F-P-W F-P F-P-W
2Q 2SY 1S51 250V AC/DC
–
F-P-W
–
F-P-W
3Q 2SY 250V AC/DC
–
F-P-W
–
F-P-W
3Q 1SY 250V AC/DC
–
F-P-W F-P F-P-W
1S51 250V AC/DC
–
F-P-W
–
F-P-W
2Q 1SY 250V AC/DC F-P F-P F-P F-P
3Q on the left 250V AC/DC F-P F-P F-P F-P
F = Fixed, P = Plug-in, W = Withdrawable
Auxiliary contacts 24V DC - 250V AC/DC
Circuit-breaker 3p Circuit-breaker 4p
XT1
3Q left
1SY
2Q
3Q left
1SY
2Q
XT3
3Q left
1SY
3Q
3Q left
1SY
3Q
XT2
XT4
3Q left
2SY
1S51
or 1Q
2Q
3Q left
2Q
2SY
1S51
or 1Q