OT125F4N1

Product ID:73713
Updated: 2026/4/3
ABB OT125F4N1

Key Features

  • 1Ensure reliable performance with high-quality, strong magnetic construction. 2、Simplify setup via an easy front-operated installation process. 3、Handle high-energy currents safely with a 6kA breaking capacity. 4、Adapt to multiple industrial settings with wide voltage compatibility. 5、Gain peace of mind with a comprehensive one-year warranty.
Product Details
OT125F4N1
ABB

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Degree of Protection
Front IP20
Environmental Information
1SCC301264D0201
Pollution Degree
3
Product Net Width
96.5 mm
Product Net Height
100 mm
Product Net Depth / Length
74 mm
Product Net Weight
0.49 kg
Cable Cross-Section
Cu 10 ... 70 mm²
Conventional Free-air Thermal Current (Ith)
Θ = 40 °C 125 A
Conventional Thermal Current (Ithe)
Fully Enclosed 125 A
Degree of Protection
Front IP20
Distance Between Phases
Standard
Fourth Pole Position
Left Side
Fourth Pole Type
Switched - Simultaneous Function
Handle Type
Knob Handle and shaft not included
Lock Type
No
Mechanical Durability
20000
Mounting Type
Base mounting
Number of Poles
4
Operating Mode
Front operated
Pollution Degree
3
Position of Line Terminals
Top In - Bottom Out Bottom In - Top Out
Power Loss
at Rated Operating Conditions per Pole 6.3 W
Rated Impulse Withstand Voltage (Uimp)
8 kV
Rated Insulation Voltage (Ui)
acc. to IEC/EN 60664-1 750 V
Rated Operational Current AC-21A (Ie)
(380 ... 415 V) 125 A (500 V) 125 A (690 V) 125 A
Rated Operational Current AC-22A (Ie)
(380 ... 415 V) 125 A (500 V) 125 A (690 V) 125 A
Rated Operational Current AC-23A (Ie)
(380 ... 415 V) 90 A (500 V) 70 A (690 V) 50 A
Rated Operational Power AC-23A (Pe)
(220 ... 240 V) 22 kW (400 ... 415 V) 45 kW (500 V) 45 kW (690 V) 45 kW
Rated Operational Voltage
Main Circuit 750 V
Rated Short-Circuit Making Capacity (Icm)
(690 V) 3.6 kA
Rated Short-time Withstand Current Low Voltage (Icw)
for 1 s 2.5 kA
Special Functions
No
Standards
IEC 60947-3
Switches Operating Mechanism
Mechanism on Top of the Switch
Terminal Type
Screw Terminals
Tightening Torque
acc. IEC 60947-1 6 N·m
Maximum Operating Voltage UL/CSA
600 V
Ampere Rating
100 A
Horsepower Rating UL/CSA
(acc. to UL 200 V) 25 Hp (acc. to UL 480 V) 50 Hp (acc. to UL 240 V) 30 Hp (acc. to UL 208 V) 25 Hp (acc. to UL 600 V) 50 Hp
Tightening Torque
acc. IEC 60947-1 6 N·m
Object Classification Code
Q
ETIM 8
EC000216 - Switch disconnector
ETIM 9
EC000216 - Switch disconnector (low voltage)
eClass
V11.1 : 27371403
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
Manufacturer ID
1SCA105055R1001

Specifications may be subject to change without notice