Operating Features - ABB SACE Emax E2.2 Installation, Operation And Maintenance Instructions For The Installer And The User

2 - Operating features

Introduction Ekip Dip has been developed and certified to function in specific environmental, electrical and mechanical
Electrical characteristics The Ekip Dip measurement and protection functions described in this document are guaranteed with current
Self-supply The internal current sensors are able to supply the Trip unit directly
Auxiliary power supply Ekip Dip can be connected to an external auxiliary supply source, which is useful when certain functions such
32 | © 2019 ABB | 1SDH001000R0002 - ECN000109166 - Rev. D
conditions; full details are available in the Technical catalog.
The following sections describe the electrical and power supply characteristics that enable Ekip Dip and the
relative electronic accessories to operate correctly.
values within the following nominal ranges:
Parameter
Primary current
Rated frequency
Peak factor
(1)
range with reference to each phase; In refers to the rated size defined by the Rating plug installed on the Trip
unit, available in models from 100 A to 6300 A
Parameter
Minimum three-phase turn-on
current
as communication via Local Bus, recording manual operations, certain measurements and the datalogger
must be activated.
The auxiliary supply can be provided by modules from the Ekip Supply range or via a direct connection
to the terminal box; the direct connection must be made when the following operating conditions can be
guaranteed:
Parameter
Voltage
Tolerance
Maximum ripple
Maximum inrush current @ 24 V
Maximum rated power @ 24 V
Connection cable
IMPORTANT: if connection is direct, the power supply must be galvanically insulated
and provide the insulation characteristics established by standard IEC 60950 (UL
1950) or equivalent.
Rated operating range
0,004 ÷ 16 In
(1)
45 ... 55 Hz (with fn= 50 Hz) / 54 ... 66 Hz (with fn= 60 Hz)
Complying with standard IEC 60947-2
Operating limits
> 30 A (E2.2 with Rating Plug < 400 A)
> 80 A (E2.2 with Rating Plug ≥ 400 A and E4.2)
> 160 A (E6.2)
Operating limits
24 VDC galvanically isolated
± 10%
± 5%
10 A per 5 ms
4 W
Insulated with grounding cable (same characteristics as Belden
3105A/B or higher)
ABB | SACE Emax 2
Ekip Dip | 2 - Operating features