Operating Features - ABB Sace Emax 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
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
29 | © 2022 ABB | 1SDH000999R0002 - ECN000232533
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.
current values within the following nominal ranges:
Parameter
Primary current
Rated frequency
Peak factor
range with reference to each phase; In refers to the rated size defined by the Rating plug installed
(1)
on the Trip unit, available in models from 100 A to 6300 A
Parameter
Minimum three-phase turn-on
current
such 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 (with Rating Plug < 400 A)
> 80 A (with Rating Plug ≥ 400 A)
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