Page 336 - SACE Tmax XT - Technical Catalogue

3/6 SACE TMAX XT LOW VOLTAGE MOLDED CASE CIRCUIT-BREAKERS

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Reading information

Information on how to read the diagrams

Notes XT1...XT4 N) BELDEN 3105A cables or an equivalent type
A) The presence of an auxiliary supply is required must be used.
for the local bus and zone selectivity functions 0) When there are several Ekip Com modules with
(see Fig. 51-81). withdrawable circuit-breakers, contact S75l/5
B) The undervoltage coil is provided for power must be connected once only to one single
supply branched on the supply side of the module.
circuit-breaker or from an independent source: P) Auxiliary voltage Uaux allows all the functions
circuit-breaker can only close when coil is ener- of EKIP electronic protection relays to be acti-
gized (closing lock is obtained mechanically). vated. "Galvanically separated converters" con-
C) Contacts 84/1 and 84/2 of Fig. 7-8 open circuit forming to standards IEC 60950 (UL 1950) or
when circuit-breaker is open and close it again equivalent must be used since an earthed Uaux
when a manual closing command is imparted is required.
by means of the rotary handle, in accordance Q) BELDEN 3105A cables or an equivalent type
with the Standards governing machine tools must be used. Maximum length 15 m.
(however, circuit-breaker will not close if under- R) Recommended RJ45 cable: CAT6 STP.
voltage release is not being supplied). S) Consult “Technical Application Papers - vol. 9:
E) If the application in Fig. 21 and the contacts in Communication via BUS with ABB circuit-
Fig. 31 must be installed at the same time, con- breakers" for connection of the EIA RS485 se-
tact 0/2 must be installed in the adjacent slot rial line.
(marked 0/1). T) Short-circuit terminals 1200 on to install a ter-
F) R= Additional external undervoltage resistor mination resistor on the Local Bus.
supplied at 380/440 VAC and 480/525 VAC. U) Use Belden 3079A cables or equivalent. Consult
R1= Additional external resistor for stored en- White Paper 1SDCOO741ZGO201 "Communica-
ergy motor operator or direct action motor op- tion with SACE Emax 2 circuit-breakers" for fur-
erator supplied at 480/525VAC. ther details.
G) If a three-pole fixed circuit-breaker with current V) Use Belden 3084A cables or equivalent. Consult
transformer on the neutral conductor outside White Paper 1SDC007412G0201 "Communica-
the circuit- breaker is used, the terminals of the tion with SACE Emax 2 circuit-breakers" for fur-
Tl/N transformer must be short-circuited when ther details.
the circuit-breaker must be removed. Z) Ekip Supply cannot be used to energize the
H) "Galvanically separated converters" conforming electronic relay via terminals K1 and K2.
to standards IEC 60950 (UL 1950) or equivalent AA) Consult Fig. 51 or 81 for the connection of W3
must be used since an earthed Uaux is required. and W4.
I) Mandatory in the presence of any sort of Ekip AB) Use two-pole shielded cable type BELDEN
module. 8762/8772 or equivalent. The shield must be
L) Only one application among Fig. 83...97-131-132 earthed on the selectivity input side (for zone
can be supplied in the case of Ekip DIN Rail Car- selectivity) or on both sides (for other applica-
tridge Basic. In the case of Ekip DIN Rail Car- tions).
tridge, up to three applications can be supplied AC) The rated maximum secondary voltage is 120V.
among Fig. 83...97-131-132, taken once only. In AD) Use insulated cables for thermcouples such as
addition, the Ekip Com module (if chosen) can PENTRONIC TEC/SITW-24F (Type TX) or equiv-
be duplicated by choosing among Fig. 110...116. alent. Maximum length 3 m.
M) To ensure correct operation, at least one mod- AE) Use suitable cables up to 3 meters in length
ule must always be present. compatible with the workplace in which the
4-20mA current sensor is used.