OT125ALAA3B

Product ID:88409
Updated: 2026/4/3
ABB OT125ALAA3B

Key Features

  • 1Handle robust 125A amperage for demanding industrial loads. 2、Utilize a compact 70x100x74 mm design to save panel space. 3、Apply in motor control centers, panels, and switchboards. 4、Enhance safety with quick-make, quick-break and visible contacts. 5、Ensure durability via 3.6 kA making capacity and 8 kV withstand.
Product Details
OT125ALAA3B
ABB

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Degree of Protection
acc. to IEC 60529 IP54
Pollution Degree
3
Product Net Width
250 mm
Product Net Height
400 mm
Product Net Depth / Length
180 mm
Product Net Weight
10 kg
Cable Cross-Section
10 ... 70 mm²
Cable Entry Position
Up/Down
Cable Outlets Per Side
Open / Open
Conventional Thermal Current (Ithe)
Fully Enclosed 125 A
Degree of Protection
acc. to IEC 60529 IP54
Enclosure Material
Steel sheet
Handle Color
Black
Handle Type
Pistol handle
Maximum Mounted Auxiliary Contacts
2 NO, 1 NC
Mounted Auxiliary Contacts
0 NO, 0 NC
Number of Poles
3P
Pollution Degree
3
Position of Line Terminals
Top In - Bottom Out
Position of Neutral Terminals
Top In - Bottom Out
Position of PE Terminals
Top In - Bottom Out
Power Loss
at Rated Operating Conditions per Pole 4 W
Rated Insulation Voltage (Ui)
acc. to IEC/EN 60664-1 750 V
Rated Operational Current AC-21A (Ie)
(500 V) 125 A (380 ... 415 V) 125 A (690 V) 125 A
Rated Operational Current AC-22A (Ie)
(380 ... 415 V) 125 A (690 V) 125 A
Rated Operational Current AC-23A (Ie)
(380 ... 415 V) 105 A (690 V) 50 A
Rated Operational Voltage
Main Circuit 750 V
Object Classification Code
Q
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
E-Number (Finland)
3640801
Manufacturer ID
1SCA022302R5910

Specifications may be subject to change without notice