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ABBIsolating switch
Product Model

OT125F4C

Manufacturer

ABB

Category

Isolating switch

Product ID

83474

In Stock
Last updated: 2025/4/22
View Specifications
ABB OT125F4C

Selling Points

  • 1High current rating of 125A with a maximum current of 1250A.
  • 2Compact design suitable for DIN Rail or panel mounting.
  • 3UL98 and CSA approved for reliable performance.
  • 4Modular design with adjustable shaft for easy installation.
  • 5Reduced power loss with a low power rating of 29W.
Product Details
OT125F4C
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Degree of Protection
Front IP20
Pollution Degree
3
Product Net Width
193 mm 7.6 in
Product Net Height
100 mm 3.94 in
Product Net Depth / Length
86 mm 3.39 in
Product Net Weight
1.4 kg 3.09 lb
Cable Cross-Section
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
Right Side
Fourth Pole Type
Switched - Simultaneous Function
Handle Color
Black
Handle Type
Handle and shaft not included
Mechanical Durability
6000 cycle
Mounting Type
Base mounting
Number of Poles
4P
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)
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)
(380 ... 415 V) 45 kW (500 V) 45 kW (690 V) 45 kW
Rated Operational Voltage
Main Circuit 750 V
Rated Short-time Withstand Current Low Voltage (Icw)
for 1 s 2.5 kiloampere rms
Standards
UL 98 / IEC60947-3
Switches Operating Mechanism
Mechanism on Top of the Switch
Terminal Type
Screw Terminals
Tightening Torque
acc. IEC 60947-1 6 N·m
Transition Type
Open
Ampere Rating
125 A
Horsepower Rating UL/CSA
(acc. to UL 200 V) 30 Hp (acc. to UL 208 V) 30 Hp (acc. to UL 240 V) 30 Hp (acc. to UL 480 V) 50 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)
UNSPSC
39122233
IDEA Granular Category Code (IGCC)
5290 >> Disconnect switch
eClass
V11.1 : 27371403
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
E-Number (Finland)
3601414
E-Number (Norway)
4363561
Manufacturer ID
1SCA105054R1001

Specifications may be subject to change without notice