Page 164 - SACE Tmax XT - Catalogue

7/18 SACE TMAX XT LOW VOLTAGE MOLDED CASE CIRCUIT-BREAKERS

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Signaling

250V AC/DC and 24V AC/DC auxiliary contacts are installed without the need for any screws. They are
extremely easy to fit. Simply apply a slight pressure in the appropriate place. The following versions of
auxiliary contacts are available:
2
• cabled (AWG20 cable section -0.5mm ):
- for fixed/plug-in circuit-breakers with 1m long cables;
- for withdrawable circuit-breakers with fixed part and moving part connector;
— • not cabled:
Cabled auxiliary contact - for fixed/plug-in circuit-breakers with cables from 0.5 up to 1.5 mm cross-section.
2
Auxiliary contacts are supplied for each circuit-breaker in the SACE XT family in various different com-
binations, as shown in the table. The following items can be ordered to make the installation even more
flexible:
• an uncabled auxiliary contact can generate different signals (Q, SY or S52) according to the position
that the circuit-breaker is installed at;
• an uncabled S51 auxiliary contact, which can be used for XT2, XT4, XT5 and XT6 circuit-breakers;
• a cabled auxiliary contact, with unnumbered cables. It can generate different signals (Q, SY or S52)
—
Uncabled auxiliary according to the position where the circuit-breaker is installed.
contact
Combinations of cabled auxiliary XT1 XT2 XT3 XT4
contacts with numbered cables 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
Cabled auxiliary contact
for withdrawable 2Q 2SY 1S51 250V AC/DC – F-P-W – F-P-W
circuit-breaker 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

Combinations of cabled auxiliary XT5 XT6
contacts with numbered cables Thermal-magnetic and Ekip Touch and
Ekip Dip trip unit Hi-Touch trip unit
1Q + 1SY on the left 24V DC F-P - -
1Q + 1SY 24V DC F-P-W F-P-W F-W
3Q + 1SY 24V DC F-P-W F-P-W F-W
1S51 24V DC F-P-W F-P-W F-W
1S52 24V DC F-P-W F-P-W F-W
1Q + 1SY on the left 250V AC/DC F-P - -
1Q + 1SY 250V AC/DC F-P-W F-P-W F-W
2Q + 1SY 250V AC/DC F-P-W F-P-W F-W
3Q + 1SY 250V DC F-P-W F-P-W F-W
1S51 250V AC/DC F-P-W F-P-W F-W
1S52 250V AC/DC F-P-W F-P-W F-W
F = Fixed, P = Plug-in, W = Withdrawable