Specifications

Product Type Disconnector Switch	Brand ABB	Series OT400
Application Power distribution panels, Motor control centers, Industrial machines, Backup/changeover systems, Commercial buildings

Max. Rated Operation AC Voltage (Ue) 1000 V AC	Position of Line Terminals Top In - Bottom Out, Bottom In - Top Out	Rated Current (In) 400 A
Rated Impulse Withstand Voltage (Uimp) 12 kV	Rated Insulation Voltage (Ui) 1000 V (acc. to IEC/EN 60664-1 )	Rated Operating Voltage 1000 V
Rated Operational Current AC21-A (Ie) 400 A (≤ 500 V)	Rated Operational Current AC22-A (Ie) 400 A	Rated Operational Current AC23-A (Ie) 400 A
Rated Permanent Current (Iu) 400 A	Rated Permanent Current at AC-21, 400 V 400 A	Rated Short Time Withstand Current (Icw) 15 kA
Power Loss 10W/Pole	Rated Frequency 50 - 60 Hz	Transition Type Open
No. of Poles 3P

Housing Material

Insulating plastic

Mechanical Endurance

16000

Padlock Locking

Yes

Depth 107 mm	Height 185 mm	Weight 3.3 kg
Width 230 mm

Rated Surrounding Temperature without Derating +40 °C	Pollution Degree 3	Storage Temperature –40 °C to +70 °C
Operating Temperature –40 °C to +60…70 °C	IP Rating IP65 (enclosed)

IEC 60947-3

ABB OT400ES03 Disconnector Switch IP65 400A 3 1000VAC Base Mount