Operating Features; Electrical Characteristics - ABB SACE Emax 2 Series Installation, Operation And Maintenance Instructions

19 - Operating features

Electrical characteristics

147 | © 2013 ABB | 1SDH001000R0002 - L7804
Currents and operating voltages
The correct operation of Ekip Touch releases is guaranteed with primary currents with clearly
defined characteristics.
In addition, Ekip Touch releases can be powered directly by the internal current sensors or, in
the presence of the Ekip Measuring Pro module, by the installation voltage.
The following are the specifications:
Parameter
Minimum three-phase turn-on current
Rated Frequency
Peak Factor
Minimum three-phase turn-on voltage
Auxiliary power supply
All Ekip Touch releases can be connected to an external auxiliary power source, useful for
activating certain functions such as communication on local bus, recording of manual
operations, certain measurements and dataloggers.
The auxiliary power can be supplied by the modules of the Ekip Supply range (for further
functional details, see page 162), or with direct connection to a terminal box.
The direct connection must be made guaranteeing the operating following conditions:
Parameter Operating limits
Voltage 24 Vdc galvanically isolated
Tolerance ± 10 %
Maximum ripple ± 5 %
Maximum inrush
10 A per 5 ms
current @ 24 V
Maximum rated
4W
power @ 24 V
Connection cable Insulated with earth cable (advised BELDEN 3105A/B)
IMPORTANT:
• With a direct connection, the power must be galvanically isolated and must
ensure the insulation characteristics retrieved from IEC 60950 (UL 1950)
or equivalent standards that ensure a common mode current, or leakage
current, (see IEC 478/1, CEI 22/3) no greater than 3.5 mA.
• The Ekip Supply modules do not require galvanic insulation.
Operating limits
> 80 A (E1.2 - E2.2 - E4.2)
>160 A (E6.2)
50 / 60 Hz ± 10 %
Conforming to standard 60947-2
> 80 V
Ekip Touch protection release | 19 - Operating features
ABB | SACE Emax 2