Page 64 - SACE Tmax XT - Catalogue

3/30 SACE TMAX XT LOW VOLTAGE MOLDED CASE CIRCUIT-BREAKERS

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Ekip Touch/Hi-Touch

Overview

Supply
The Ekip Touch/Hi-Touch protection trip unit is The Ekip Supply module can be connected to both
self-supplied through the current sensors and DC and AC current power supplies to activate addi-
does not require an external supply for the basic tional functions such as:
protection functions or for the alarm indication • using the unit with circuit-breaker open;
functions. The trip units for all the circuit-breakers • using additional modules such as Ekip Signalling
start to power on from a minimum of 0.2 x In* and and Ekip Com;
activate the indication functions, ammeter and the • connection to external devices such as Ekip Mul-
display. All protection settings are stored in a timeter;
non-volatile memory that maintains the informa- • recording the number of operations;
tion, even without a power supply. An auxiliary • G protection with values below 100A or below
supply can also be easily connected. In fact, the 0.2 xIn*;
trip unit can be supplied by means of a galvanically • zone selectivity;
isolated 24V DC auxiliary voltage with the follow- • Gext and MCR protection functions.
ing characteristics:
Parameter Operation limits Supply Ekip Supply
Voltage 24V DC galvanically isolated* Nominal voltage 24-48 V DC 110-240 V AC/DC
Tolerance ±10% Voltage range 21.5-53 V DC 105-265 V AC/DC
Maximum wave ±5% Rated power 10W max. 10W max.
(including modules)
Maximum surge 10A for 5ms
current @24V Inrush current ∼10A for 5 ms ∼10A for 5 ms
Maximum rated 4W
power @24V The Ekip Touch/Hi-Touch is also supplied with a
Connecting cable Insulated with ground cable battery that enables the cause of the fault to be
(charateristics equal to or greater indicated after a trip. In addition, the battery en-
than Belden 3105A/B)
ables the date and time to be updated, thus en-
The insulation charateristics must refer to the
IEC 60950 (UL 1950) or their equivalent suring the chronology of events. When the Ekip
Touch/Hi-Touch is operating, it uses an internal
control circuit to automatically indicate that the
battery is flat. Furthermore, when the unit is
switched off a battery test can be run by simply
pressing the iTest key.
* for XT2 with In=40A: 0.3 x In; for XT2 & XT4 with In=100A: 0.25 x In