ABB OT125F4C: A 125A 4-pole manual transfer switch for high-performance applications, UL98 compliant, and DIN rail/panel mountable.
Product ModelOT125F4C
Material Number1SCA105054R1001
Product ID83913
Stock on Request
Last updated: 8/29/2026
Key Features
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1. High Performance and ReliabilityThe ABB OT125F4C is engineered for high-performance applications, ensuring reliable operation in demanding environments.
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2. UL98 ComplianceCompliant with UL98 standards, this switch meets stringent safety requirements, making it suitable for a wide range of applications.
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3. Compact DesignWith its compact design, the OT125F4C fits into smaller enclosures, optimizing space and reducing installation time.
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4. Easy InstallationThe modular design of the OT125F4C allows for faster and more flexible installation, thanks to its wide range of accessories and adjustable shaft.
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Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
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
5. Long Operating CyclesDesigned for up to 20,000 operating cycles, this switch offers a longer lifespan and improved return on investment (ROI) due to its high mechanical endurance.
Cable Cross-Section
10 ... 70 mm²
Conventional Free-air Thermal Current (Ith)
Π= 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
ABB OT125F4C - 125A 4-Pole Manual Transfer Switch | INDSLT
