Page 206 - Sace Emax 2 Catalogue

9/6 SACE EMA X 2 LOW VOLTAGE AIR CIRCUIT-BRE AKERS

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Reading information

Circuit-breakers

Notes K) Only for E2.2, E4.2 and E6.2 withdrawable
A) Auxiliary supply for Ekip trip unit is mandatory version circuit-breakers as an alternative to
( refer to diagram 1SDM00009R0001 figures Fig. 31-32-33.
31 - 32- 33 - 34). L) In the presence of Fig. 32, for E2.2, E4.2 and
B) When there are mixed auxiliary contacts Q1 E6.2 circuit-breakers up to three applications
and Q2 are 400V, while Q3 and Q4 are 24V. between Fig. 41…58 taken only once can be
Then Q5, Q6, Q7 are 400V, while Q8, Q9, Q10 supplied, instead for E1.2 circuit-breakers, up
are 24V. to two applications between Fig. 41…58 taken
C) Always supplied with Ekip Com module. only once can be supplied. The Ekip Com
D) Always supplied with motor for loading module selected can be duplicated if required,
closing springs in Fig. 13. by choosing between Fig. 61…66.
E) Obligatory voltage transformer in the case of M) In the presence of Fig. 33, for E2.2, E4.2 and
external sockets. Obligatory external sockets E6.2 circuit-breakers, up to two applications
for systems with rated voltage greater than between Fig. 41…58 taken only once can be
690V. supplied. The Ekip Com module selected can
F) The connections between the RC residual cur- be duplicated if required, by choosing
rent protection sensor and the poles of the X between Fig. 61…66.
connector (or XV) of the circuitbreaker must N) In the presence of Fig. 34, for E2.2, E4.2 and
be made with 4-pole shielded cable with E6.2 circuit-breakers, a single application
conductors interwoven in pairs (type BELDEN between Fig. 41…58 can be supplied.
9696 paired or equivalent), of a length no O) In the presence of several Ekip Com modules
greater than 10 m. The shield should be with withdrawable version circuit-breakers,
earthed on circuit-breaker side. the contact S75I/5 should be connected only
G) With all electronic protection trip units once to a single module.
equipped with display interface with LSIG P) The auxiliary voltage Uaux. enables activation
protections, protection against an earth fault of all the functions of the EKIP electronic
is available (Gext) by means of current sensor protection trip units. Since an earth insulated
positioned on the star centre of the MV/LV Uaux was requested, it is necessary to use
transformer. The connection between “galvanically separated convertors” which
terminals 1 and 2 of the UI/O current comply with the standards IEC 60950
transformer and Ge+ and Ge- poles of the X (UL 1950) or equivalent, which guarantee a
connector (or XV) must be made with shielded common mode current or leakage current
and stranded 2-pole cable (type BELDEN 9841 (refer to IEC 478/1, CEI 22/3) no greater than
or equivalent) of length no greater than 15 m. 3.5mA, IEC 60364-41 and CEI 64-8.
H) The connection between the terminal box and Q) Regarding local bus the maximum cable
external neutral sensor must be made with lenght is 15m.
the 2m cable provided. For three pole circuit- R) Suggested RJ45 cable: CAT6 STP.
breakers, the Ne+ and Ne- poles of the X T) Connect terminals 120 Ω on if you want to insert
connector (or XV) must be short-circuited if a termination resistance on the Local Bus.
no sensor is present on the external neutral
conductor.
I) Obligatory in the case of the presence of any
Ekip module.
J) Only for E2.2, E4.2 and E6.2 withdrawable
version circuit-breakers as an alternative to
Fig. 31-32-34.
K) Only for E2.2, E4.2 and E6.2 withdrawable
version circuit-breakers as an alternative to
Fig. 31-32-33.