Specifications

Product Type Changeover Switch	Brand ABB	Series OT1250
Application Commercial buildings, Industrial plants, Data centers

Max. Rated Operation AC Voltage (Ue) 1000 V AC	Position of Line Terminals Top In - Bottom Out, Bottom In - Top Out	Rated Current (In) 1250 A
Rated Impulse Withstand Voltage (Uimp) 12 kV	Rated Insulation Voltage (Ui) 1000 V	Rated Operating Voltage 415 V
Rated Operation Power at AC-23, 400 V 710 kW	Rated Operation Power at AC-31b (Ie) 1250 A	Rated Operational Current AC21-A (Ie) 1250 A
Rated Operational Current AC22-A (Ie) 1250 A	Rated Operational Current AC23-A (Ie) 1250 A	Rated Permanent Current (Iu) 1250 A
Rated Permanent Current at AC-21, 400 V 1250 A	Rated Short Time Withstand Current (Icw) 50 kA	Power Loss 29 W/Pole
Rated Frequency 50 - 60 Hz	Transition Type Open	No. of Poles 4P

Padlock Locking

Padlockable in O-Position

Depth 309 mm	Height 306 mm	Weight 60 kg
Width 480 mm

Rated Surrounding Temperature without Derating +40°C	Pollution Degree 3	Storage Temperature -40°C to +70°C
Operating Temperature -25°C to +55°C	IP Rating IP20

IEC 60947-3, IEC 60947-1, CSA, CE, RoHS, REACH

ABB OT1250E04CP Changeover Switch 1250A 415VAC IP20 4-Hole Front Mount 4-P