Technical Parameters
Electrical Ratings
Rated Operational Current (Ie): 40 A (AC‑21A / AC‑22A)
Rated Operational Voltage: Up to 750 V AC (max)
Rated Operational Power (AC‑23A):
11 kW @ 400–415 V AC
~5.5 kW @ 220–240 V AC
Rated Insulation Voltage (Ui): ~750 V
Rated Short‑Time Withstand Current (Icw): ~0.5 kA
Rated Short‑Circuit Making Capacity (Icm): ~0.7 kA (690 V)
Utilization Category: Suitable for mains isolation and load‑break duties
Frequency: 50/60 Hz
Mechanical & Installation
Number of Poles: 3
Operating Mode: Front‑operated manual handle
Handle & Shaft: Not included (ordered separately)
Mounting Type: Base mountable; DIN‑rail compatible
Terminal Type: Screw terminals
Conductor Size Range: ~0.75 … 10 mm² (Cu)
Tightening Torque: ~0.8 N·m
Mechanical Durability: ~20,000 operations
Protection & Environmental
Degree of Protection (Front): IP20
Pollution Degree: 3
Standards Compliance: IEC 60947‑3, UL 508, CSA C22.2 No.14
Ambient Temperature: Typical industrial range
Physical Data
Approx. Width: ~35 mm
Approx. Height: ~68 mm
Approx. Depth: ~56 mm
Approx. Weight: ~0.09 kg
The ABB OT40F3 is a compact and reliable non‑fusible switch‑disconnector designed for safe manual isolation and load break switching in low‑voltage electrical installations.