The Schneider Electric Acti 9 iEZ EZD160S 3P 160A is a three-pole, 160A electronic circuit breaker from the Acti 9 iEZ range, equipped with an "S-type" electronic trip unit. The "S" designation typically indicates a Standard or Selective protection unit, offering fully adjustable overload and short-circuit protection with a focus on achieving high selectivity with downstream devices.
Parameters:
Parameter Value / Description
Frame Size (Iu) 160 A
Rated Current (In) 160 A (The long-time protection setting Ir is adjustable, typically within a range of 0.4 to 1.0 x In).
Number of Poles 3
Tripping Unit Type Electronic (S-type) – Standard adjustable protection unit focused on selectivity.
Rated Operational Voltage (Ue) 400 V AC (3-phase)
Rated Insulation Voltage (Ui) 690 V
Rated Ultimate Breaking Capacity (Icu) 36 kA at 400V AC (IEC 60947-2). [Note: Confirm specific rating via catalog].
Rated Service Breaking Capacity (Ics) 100% of Icu (IEC 60947-2).
Protection Functions L - Long-time delay (Adjustable Ir, tr), S - Short-time delay (Adjustable Isd, tsd), I - Instantaneous (Adjustable Ii). Ground fault (G) protection is NOT standard on the base S unit (requires optional iVigi module).
Key Feature (Selectivity) Designed with adjustable short-time delay (S function) to coordinate with downstream devices (e.g., MCCBs, MCBs), ensuring selective tripping and minimizing outage scope.
Standard IEC 60947-2
Mounting Fixed mounting on a dedicated base.
Connection Front connection with screw-clamp terminals, suitable for busbar or cable lug connection.
Width 108 mm (3 DIN modules)