Specifications

Product Type	Automatic Transfer Switch
Brand	ABB
Series	OTM125F
Application	Network/Network and Network/Genset applications
Max. Rated Operation AC Voltage (Ue)	380-415 V AC
Position of Line Terminals	Top in - Bottom out
Rated Current (In)	125 A
Rated Impulse Withstand Voltage (Uimp)	8 kV
Rated Insulation Voltage (Ui)	800 V
Rated Operation Power at AC-23, 400 V	45 kW (380 ... 415 V)
Rated Operation Power at AC-31b (Ie)	125 A
Rated Operation Power at AC-32b (Ie)	125 A
Rated Operation Power at AC-33b (Ie)	80 A
Rated Operational Current AC21-A (Ie)	125 A
Rated Operational Current AC22-A (Ie)	125 A
Rated Operational Current AC23-A (Ie)	90 A
Rated Short Time Withstand Current (Icw)	2.5 kA (1 s)
Rated Frequency	50 / 60 Hz
Transition Type	Open
No. of Poles	4P
Depth	131 mm
Height	103 mm
Weight	2.11 kg
Width	286 mm
Rated Surrounding Temperature without Derating	40 °C
Pollution Degree	3
Storage Temperature	– 25...+ 70 °C
Operating Temperature	– 20...+ 55 °C
IP Rating	IP20
Standards and Approvals	IEC 60947-1

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